{"id":1290,"date":"2025-11-03T10:21:06","date_gmt":"2025-11-03T02:21:06","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=1290"},"modified":"2025-11-03T10:21:08","modified_gmt":"2025-11-03T02:21:08","slug":"what-is-a-type-ntscgewou-flexible-energy-supply-cable-for-immersion-up-to-300-m-depth","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/what-is-a-type-ntscgewou-flexible-energy-supply-cable-for-immersion-up-to-300-m-depth\/","title":{"rendered":"What is a Type (N)TSCGEW\u00d6U Flexible energy supply Cable for immersion up to 300 m depth?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Designed for Permanent Water Immersion | Salt &amp; Brackish Water Approved | High Mechanical Stress Applications<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"4e524e\" data-has-transparency=\"false\" style=\"--dominant-color: #4e524e;\" loading=\"lazy\" decoding=\"async\" width=\"643\" height=\"296\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-135.avif\" alt=\"\" class=\"wp-image-1292 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-135.avif 643w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-135-300x138.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-135-400x184.avif 400w\" \/><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <meta name=\"description\" content=\"Complete technical guide to Type (N)TSCGEW\u00d6U Submersible Mining Cable MT SUB PLUS 3.6\/6 - 12\/20 kV. Designed for permanent water immersion up to 300m depth, pumps, dredgers, and underwater mining operations per DIN VDE 0250 Part 813.\">\n    <meta name=\"keywords\" content=\"submersible mining cable, underwater cable, NTSCGEWOU cable, DIN VDE 0250, waterproof cable, dredger cable, pump cable, subsea cable, mining cable, EPR insulation, medium voltage underwater cable\">\n    <meta name=\"author\" content=\"Anhui Feichun Special Cable Co., Ltd.\">\n    <meta name=\"robots\" content=\"index, follow\">\n    \n    <!-- Open Graph Meta Tags -->\n    <meta property=\"og:title\" content=\"Type (N)TSCGEW\u00d6U Submersible Mining Cable: Technical Guide for Underwater Applications\">\n    <meta property=\"og:description\" content=\"Expert guide to submersible cables rated for 300m water depth immersion. Technical specifications for pumps, dredgers, and underwater mining equipment.\">\n    <meta property=\"og:type\" content=\"article\">\n    <meta property=\"og:locale\" content=\"en_US\">\n    \n    <!-- Structured Data for SEO -->\n    <script type=\"application\/ld+json\">\n    {\n        \"@context\": \"https:\/\/schema.org\",\n        \"@type\": \"TechnicalArticle\",\n        \"headline\": \"What is a Type (N)TSCGEW\u00d6U Cable: Submersible Mining Cable for Underwater Operations\",\n        \"description\": \"Comprehensive technical guide to submersible mining cables designed for permanent water immersion up to 300m depth based on DIN VDE 0250 Part 813\",\n        \"author\": {\n            \"@type\": \"Organization\",\n            \"name\": \"Anhui Feichun Special Cable Co., Ltd.\",\n            \"url\": \"https:\/\/www.feichuncable.com\"\n        },\n        \"publisher\": {\n            \"@type\": \"Organization\",\n            \"name\": \"Feichun Special Cable\",\n            \"logo\": {\n                \"@type\": \"ImageObject\",\n                \"url\": \"https:\/\/www.feichuncable.com\/logo.png\"\n            }\n        },\n        \"datePublished\": \"2025-11-03\",\n        \"articleSection\": \"Submersible Mining Cables\",\n        \"keywords\": [\"submersible cable\", \"underwater mining\", \"dredger cable\", \"waterproof mining cable\"]\n    }\n    <\/script>\n    \n    <title>Type (N)TSCGEW\u00d6U Submersible Cable MT SUB PLUS | 300m Depth Underwater Mining Cable<\/title>\n    \n    <style>\n        \/* Dark Mode Professional Underwater\/Mining Cable Styling *\/\n        :root {\n            --primary-color: #00bcd4;\n            --secondary-color: #26c6da;\n            --accent-deep: #006064;\n            --bg-dark: #0a0e1a;\n            --bg-card: #1a1f2e;\n            --bg-hover: #252b3d;\n            --text-primary: #e8eaf0;\n            --text-secondary: #a0a4b8;\n            --border-color: #2d3548;\n            --accent-blue: #42a5f5;\n            --accent-green: #66bb6a;\n            --warning-red: #ef5350;\n            --water-gradient: linear-gradient(135deg, #006064 0%, #00bcd4 50%, #26c6da 100%);\n        }\n        \n        * {\n            margin: 0;\n            padding: 0;\n            box-sizing: border-box;\n        }\n        \n        body {\n            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n            background: linear-gradient(135deg, #0a0e1a 0%, #0d1321 100%);\n            color: var(--text-primary);\n            line-height: 1.8;\n            overflow-x: hidden;\n        }\n        \n        \/* Animated Water Effect Background *\/\n        body::before {\n            content: '';\n            position: fixed;\n            top: 0;\n            left: 0;\n            width: 100%;\n            height: 100%;\n            background: radial-gradient(circle at 20% 50%, rgba(0, 188, 212, 0.03) 0%, transparent 50%),\n                        radial-gradient(circle at 80% 80%, rgba(38, 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}\n            \n            .contact-grid {\n                grid-template-columns: 1fr;\n            }\n            \n            .depth-badge {\n                font-size: 1.5rem;\n            }\n        }\n        \n        \/* Special Feature Highlight *\/\n        .feature-grid {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n            gap: 1.5rem;\n            margin: 2rem 0;\n        }\n        \n        .feature-card {\n            background: linear-gradient(135deg, var(--bg-dark), var(--accent-deep));\n            padding: 2rem;\n            border-radius: 10px;\n            border: 1px solid var(--primary-color);\n            transition: all 0.3s ease;\n        }\n        \n        .feature-card:hover {\n            transform: translateY(-5px);\n            box-shadow: 0 8px 20px rgba(0, 188, 212, 0.3);\n        }\n        \n        .feature-icon {\n            font-size: 2.5rem;\n            margin-bottom: 1rem;\n            display: block;\n        }\n        \n        .feature-title {\n            color: var(--primary-color);\n            font-size: 1.2rem;\n            font-weight: 700;\n            margin-bottom: 0.5rem;\n        }\n    <\/style>\n<\/head>\n<body>\n    <header>\n        <div class=\"header-container\">\n            <div class=\"company-badge\">ANHUI FEICHUN SPECIAL CABLE CO., LTD.<\/div>\n            <h1>Type (N)TSCGEW\u00d6U Submersible Mining Cable MT SUB PLUS<\/h1>\n            <p class=\"subtitle\">Waterproof Medium Voltage Cable: 3.6\/6 &#8211; 12\/20 kV | Rated for 300m Water Depth | DIN VDE 0250 Part 813<\/p>\n        <\/div>\n    <\/header>\n\n    <div class=\"container\">\n        <!-- Depth Rating Highlight -->\n        <div class=\"depth-indicator\">\n            <h2 style=\"border: none; padding: 0; justify-content: center;\">Extreme Depth Performance<\/h2>\n            <div class=\"depth-badge\">300 METERS<\/div>\n            <p style=\"font-size: 1.2rem; color: var(--primary-color); font-weight: 600;\">\n                Designed for Permanent Water Immersion | Salt &#038; Brackish Water Approved | High Mechanical Stress Applications\n            <\/p>\n        <\/div>\n\n        <!-- Introduction Section -->\n        <section class=\"section\">\n            <h2>What is a Type (N)TSCGEW\u00d6U Submersible Mining Cable?<\/h2>\n            \n            <p>The Type (N)TSCGEW\u00d6U Cable represents the pinnacle of submersible cable engineering, specifically designed for <strong>permanent immersion in water<\/strong> under extreme mechanical stresses. Designated as <strong>MT SUB PLUS<\/strong>, this specialized medium voltage cable is engineered for underwater applications where conventional cables would fail within hours or days of submersion.<\/p>\n            \n            <p>The cable nomenclature follows the German DIN VDE systematic classification: <strong>N<\/strong> denotes rubber construction, <strong>TSC<\/strong> indicates tinned copper stranded conductors with semiconductive layers, <strong>GE<\/strong> represents rubber sheath with earth conductors, and <strong>W\u00d6U<\/strong> signifies weather-resistant, oil-resistant, and UV-stable properties. The critical distinction of this submersible variant lies in its enhanced waterproofing technologies and reinforced mechanical construction.<\/p>\n\n            <div class=\"water-box\">\n                <strong>Submersible Technology Insight:<\/strong> According to <a href=\"https:\/\/www.vde.com\/en\" rel=\"nofollow noopener\" target=\"_blank\">VDE Institute<\/a> standards, submersible cables must demonstrate zero water penetration under continuous immersion at rated depth for minimum 1000 hours. The MT SUB PLUS series incorporates special EPR (Ethylene Propylene Rubber) and CM (Chloroprene-based) compounds that create hermetic barriers against water ingress while maintaining flexibility and mechanical strength.\n            <\/div>\n\n            <h3>Primary Application Environments:<\/h3>\n            <div style=\"margin: 2rem 0;\">\n                <span class=\"application-badge\">Submersible Pumps<\/span>\n                <span class=\"application-badge\">Dredging Equipment<\/span>\n                <span class=\"application-badge\">Floating Docks<\/span>\n                <span class=\"application-badge\">Underwater Mining<\/span>\n                <span class=\"application-badge\">Offshore Platforms<\/span>\n                <span class=\"application-badge\">Subsea Operations<\/span>\n            <\/div>\n        <\/section>\n\n        <!-- Purpose and Applications -->\n        <section class=\"section\">\n            <h2>Purpose and Specialized Applications<\/h2>\n            \n            <h3>Engineered for Underwater Excellence<\/h3>\n            <p>Unlike standard mining cables designed for dry or occasionally wet conditions, the (N)TSCGEW\u00d6U MT SUB PLUS cable is purpose-built for <strong>continuous underwater service<\/strong> where electrical equipment operates in fully submerged conditions for months or years without retrieval. This cable addresses the unique challenges of underwater power transmission where hydrostatic pressure, water conductivity, and constant mechanical stress combine to create one of the most demanding cable applications in industrial use.<\/p>\n            \n            <h3>Critical Application Areas:<\/h3>\n            \n            <h3>1. Submersible Pumping Systems<\/h3>\n            <ul>\n                <li><strong>Mine Dewatering Operations:<\/strong> Deep pit pumps operating at 100-300m depth for continuous water removal from underground mines<\/li>\n                <li><strong>Municipal Water Supply:<\/strong> Deep well pumps serving urban water distribution networks<\/li>\n                <li><strong>Industrial Process Water:<\/strong> Submerged pumps in cooling systems, wastewater treatment, and process industries<\/li>\n                <li><strong>Emergency Flood Control:<\/strong> Rapid deployment pumping systems for disaster response<\/li>\n            <\/ul>\n\n            <h3>2. Dredging and Marine Construction<\/h3>\n            <ul>\n                <li><strong>Cutter Suction Dredgers:<\/strong> Power supply to submerged cutting heads operating on seabeds and riverbeds<\/li>\n                <li><strong>Trailing Suction Hopper Dredgers:<\/strong> Flexible cables for drag head assemblies operating at variable depths<\/li>\n                <li><strong>Backhoe Dredgers:<\/strong> Cables supporting underwater excavation equipment in port construction<\/li>\n                <li><strong>Water Injection Dredging:<\/strong> Power distribution to submerged jetting systems<\/li>\n            <\/ul>\n\n            <h3>3. Floating Infrastructure<\/h3>\n            <ul>\n                <li><strong>Floating Dry Docks:<\/strong> Power distribution systems for submersible ballast pumps and mechanical systems<\/li>\n                <li><strong>Pontoon-Based Equipment:<\/strong> Cables for floating cranes, work platforms, and marine construction equipment<\/li>\n                <li><strong>Floating Storage Units:<\/strong> Underwater power distribution for FPSO (Floating Production Storage and Offloading) units<\/li>\n            <\/ul>\n\n            <h3>4. Opencast and Strip Mining<\/h3>\n            <ul>\n                <li><strong>Bucket Wheel Excavators:<\/strong> Trailing cable systems for mobile mining equipment in wet pit conditions<\/li>\n                <li><strong>Walking Draglines:<\/strong> Power supply cables operating in water-filled excavations<\/li>\n                <li><strong>Stacker-Reclaimers:<\/strong> Cables serving equipment in wet storage and handling facilities<\/li>\n                <li><strong>Slurry Transport Systems:<\/strong> Power distribution in wet processing environments<\/li>\n            <\/ul>\n\n            <div class=\"info-box\">\n                <strong>Industry Reference:<\/strong> According to the International Electrotechnical Commission (<a href=\"https:\/\/www.iec.ch\" rel=\"nofollow noopener\" target=\"_blank\">IEC<\/a>), submersible cables must withstand hydrostatic pressure equivalent to the rated water depth plus a 50% safety margin. For 300m rated cables, this translates to testing at 450m water equivalent pressure (approximately 45 bar or 653 psi). The MT SUB PLUS series exceeds these requirements through its dual-sheath waterproofing system and pressure-resistant construction.\n            <\/div>\n\n            <h3>Why Traditional Cables Fail Underwater:<\/h3>\n            <p>Standard industrial cables, even those rated for &#8220;wet locations,&#8221; experience rapid degradation when permanently submerged due to:<\/p>\n            <ul>\n                <li>Water penetration through microscopic sheath imperfections causing insulation breakdown<\/li>\n                <li>Hydrostatic pressure forcing water into conductor interstices and insulation layers<\/li>\n                <li>Electrochemical corrosion accelerated by electrical fields in conductive water<\/li>\n                <li>Mechanical fatigue from wave action, current forces, and equipment vibration in fluid environment<\/li>\n                <li>Biological fouling and chemical attack from marine organisms and dissolved substances<\/li>\n            <\/ul>\n        <\/section>\n\n        <!-- Technical Characteristics -->\n        <section class=\"section\">\n            <h2>Advanced Technical Characteristics<\/h2>\n            \n            <h3>Waterproof Performance Features:<\/h3>\n            \n            <div class=\"feature-grid\">\n                <div class=\"feature-card\">\n                    <span class=\"feature-icon\">\ud83c\udf0a<\/span>\n                    <div class=\"feature-title\">300m Depth Rating<\/div>\n                    <p>Continuous operation under 30 bar hydrostatic pressure with zero water ingress verified by HD 22.16 testing protocols.<\/p>\n                <\/div>\n                \n                <div class=\"feature-card\">\n                    <span class=\"feature-icon\">\ud83d\udd12<\/span>\n                    <div class=\"feature-title\">Dual Waterproof Barriers<\/div>\n                    <p>Special EPR inner sheath and CM outer sheath create redundant water-blocking layers preventing moisture penetration.<\/p>\n                <\/div>\n                \n                <div class=\"feature-card\">\n                    <span class=\"feature-icon\">\ud83d\udcaa<\/span>\n                    <div class=\"feature-title\">Enhanced Tensile Strength<\/div>\n                    <p>20 N\/mm\u00b2 maximum tensile load (33% higher than standard mining cables) for demanding underwater deployment.<\/p>\n                <\/div>\n                \n                <div class=\"feature-card\">\n                    <span class=\"feature-icon\">\ud83e\uddc2<\/span>\n                    <div class=\"feature-title\">Salt Water Approved<\/div>\n                    <p>Certified for immersion in salty and brackish water per AC internal test standards, resisting chloride ion attack.<\/p>\n                <\/div>\n                \n                <div class=\"feature-card\">\n                    <span class=\"feature-icon\">\u2744\ufe0f<\/span>\n                    <div class=\"feature-title\">Temperature Resilience<\/div>\n                    <p>Operates in water temperatures up to 40\u00b0C while maintaining flexibility down to -25\u00b0C ambient conditions.<\/p>\n                <\/div>\n                \n                <div class=\"feature-card\">\n                    <span class=\"feature-icon\">\u26a1<\/span>\n                    <div class=\"feature-title\">Enhanced Earth Protection<\/div>\n                    <p>Triple earth conductor system with tinned copper and semiconductive layers providing superior fault protection underwater.<\/p>\n                <\/div>\n            <\/div>\n\n            <h3>Electrical Performance Specifications:<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <thead>\n                        <tr>\n                            <th>Voltage Rating (U\u2080\/U)<\/th>\n                            <th>Test Voltage<\/th>\n                            <th>Max AC Operating Voltage<\/th>\n                            <th>Current Rating Reference<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td>3.6\/6 kV<\/td>\n                            <td>11 kV<\/td>\n                            <td>4.2\/7.2 kV<\/td>\n                            <td>VDE 0298 Part 4<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>6\/10 kV<\/td>\n                            <td>17 kV<\/td>\n                            <td>6.9\/12 kV<\/td>\n                            <td>VDE 0298 Part 4<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>8.7\/15 kV<\/td>\n                            <td>24 kV<\/td>\n                            <td>10.4\/18 kV<\/td>\n                            <td>VDE 0298 Part 4<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>12\/20 kV<\/td>\n                            <td>29 kV<\/td>\n                            <td>13.9\/24 kV<\/td>\n                            <td>VDE 0298 Part 4<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n\n            <h3>Thermal and Environmental Ratings:<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <tr>\n                        <td>Maximum Conductor Temperature (Continuous)<\/td>\n                        <td>90\u00b0C<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Short Circuit Temperature (5 seconds max)<\/td>\n                        <td>250\u00b0C<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Maximum Water Temperature<\/td>\n                        <td>40\u00b0C<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Ambient Temperature (Mobile\/Trailing)<\/td>\n                        <td>-25\u00b0C to +60\u00b0C<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Ambient Temperature (Static Installation)<\/td>\n                        <td>-40\u00b0C to +80\u00b0C<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Maximum Immersion Depth<\/td>\n                        <td>300 meters (30 bar pressure)<\/td>\n                    <\/tr>\n                <\/table>\n            <\/div>\n\n            <div class=\"success-box\">\n                <strong>Superior Flexibility:<\/strong> Class 5 conductor construction per VDE 0295 and IEC 60228 ensures exceptional flexibility essential for underwater deployment. The flexible stranded tinned copper conductors maintain bending capability even under hydrostatic pressure, with minimum bending radius calculated at 20 times cable diameter for submersible service.\n            <\/div>\n\n            <h3>Mechanical Performance Data:<\/h3>\n            <ul>\n                <li><strong>Maximum Tensile Load:<\/strong> 20 N\/mm\u00b2 of total phase conductor cross-section &#8211; 33% higher than standard mining cables to accommodate dynamic loads from currents, waves, and equipment movement<\/li>\n                <li><strong>Bending Radius:<\/strong> Per VDE 0298 Part 3, minimum 20x cable diameter for trailing operations, 15x for fixed installations<\/li>\n                <li><strong>Abrasion Resistance:<\/strong> Enhanced outer sheath withstands contact with rocks, equipment, and marine structures<\/li>\n                <li><strong>Impact Resistance:<\/strong> CM rubber compound absorbs impact energy from underwater collisions and dropped objects<\/li>\n                <li><strong>Crushing Resistance:<\/strong> Maintains electrical integrity under localized pressure from equipment and debris<\/li>\n            <\/ul>\n        <\/section>\n\n        <!-- Material Structure -->\n        <section class=\"section\">\n            <h2>Advanced Material Structure for Submersible Service<\/h2>\n            \n            <h3>Layer-by-Layer Construction Analysis:<\/h3>\n            \n            <h3>1. Phase Conductors<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <tr>\n                        <td>Material<\/td>\n                        <td>Tinned copper wire (tin-plated for corrosion resistance)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Construction Class<\/td>\n                        <td>Class 5 per VDE 0295 and IEC 60228 (highly flexible)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Cross Sections Available<\/td>\n                        <td>25 mm\u00b2, 35 mm\u00b2, 50 mm\u00b2, 70 mm\u00b2, 95 mm\u00b2, 120 mm\u00b2, 150 mm\u00b2, 185 mm\u00b2<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Tinning Purpose<\/td>\n                        <td>Prevents copper oxidation in humid\/wet conditions, improves termination reliability<\/td>\n                    <\/tr>\n                <\/table>\n            <\/div>\n\n            <div class=\"water-box\">\n                <strong>Tinned Conductor Advantage:<\/strong> Tin coating (typically 1-2 microns thick) on copper strands creates a barrier against moisture-induced oxidation. In underwater applications, untinned copper can form copper oxide and copper chloride compounds that increase resistance and generate heat. Tinning extends conductor life by 3-5 times in marine environments according to studies by the <a href=\"https:\/\/www.copper.org\" rel=\"nofollow noopener\" target=\"_blank\">International Copper Association<\/a>.\n            <\/div>\n\n            <h3>2. Primary Insulation System<\/h3>\n            <ul>\n                <li><strong>Semiconductive Conductor Screen:<\/strong> Applied directly over tinned conductor to eliminate air voids and control electrical stress at conductor surface<\/li>\n                <li><strong>3GI3 Quality Rubber Insulation:<\/strong> EPR-based compound per VDE 0207 Part 20 providing electrical insulation rated for medium voltage underwater service. EPR offers superior water resistance compared to conventional rubber compounds<\/li>\n                <li><strong>Inner Semiconductive Layer:<\/strong> Extruded simultaneously with insulation to ensure perfect bonding without air gaps that could fill with water<\/li>\n                <li><strong>Outer Semiconductive Layer:<\/strong> Creates smooth interface for earth conductor contact and uniform electrical field distribution<\/li>\n            <\/ul>\n\n            <h3>3. Earth Conductors (Critical Underwater Safety Feature)<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <tr>\n                        <td>Material<\/td>\n                        <td>Tinned copper wire (Class 5 flexible)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Configuration<\/td>\n                        <td>3 separate earth conductors, split from central conductor<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Semiconductive Covering<\/td>\n                        <td>Applied over each earth conductor for moisture barrier and electrical shielding<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Cross Section<\/td>\n                        <td>Proportional to phase conductor size (25-95 mm\u00b2)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Function<\/td>\n                        <td>Triple redundant earth fault protection critical for underwater personnel safety<\/td>\n                    <\/tr>\n                <\/table>\n            <\/div>\n\n            <p><strong>Critical Safety Note:<\/strong> In underwater applications, earth conductor integrity is paramount. Water provides a conductive path to ground, and any insulation failure without proper earth protection can create lethal conditions. The triple earth conductor system with semiconductive layers ensures that even if one or two earth paths are compromised, protection remains functional.<\/p>\n\n            <h3>4. Central Filler<\/h3>\n            <p>Semiconductive compound applied over textile polyester support, positioned at cable core center. This filler serves multiple critical functions:<\/p>\n            <ul>\n                <li>Maintains round cable geometry under bending and pressure<\/li>\n                <li>Fills interstices preventing water accumulation spaces<\/li>\n                <li>Provides mechanical cushioning for conductors<\/li>\n                <li>Contributes to overall cable flexibility<\/li>\n            <\/ul>\n\n            <h3>5. Core Assembly<\/h3>\n            <p>Three insulated phase conductors plus three split earth conductors are twisted together with optimized lay length. Semiconductive tape is wound over the twisted assembly, creating a smooth cylindrical surface and additional water barrier. The twist configuration:<\/p>\n            <ul>\n                <li>Minimizes electromagnetic interference<\/li>\n                <li>Balances mechanical stress distribution during bending<\/li>\n                <li>Prevents individual conductor migration<\/li>\n                <li>Creates compact overall diameter<\/li>\n            <\/ul>\n\n            <h3>6. Inner Sheath &#8211; First Waterproof Barrier<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <tr>\n                        <td>Material<\/td>\n                        <td>Special EPR (Ethylene Propylene Rubber) compound, GM1b quality per VDE 0207 Part 21<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Thickness<\/td>\n                        <td>Per VDE 0250 Part 813 Table 2 (heavier than standard cables)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Waterproofing Technology<\/td>\n                        <td>Continuous extruded layer with no seams or joints<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Special Properties<\/td>\n                        <td>Low water absorption (<0.1%), excellent electrical properties when wet<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Function<\/td>\n                        <td>Primary water barrier protecting conductor assembly from moisture ingress<\/td>\n                    <\/tr>\n                <\/table>\n            <\/div>\n\n            <div class=\"info-box\">\n                <strong>EPR Technology:<\/strong> Ethylene Propylene Rubber represents a major advancement for underwater cables. Unlike natural rubber that swells and degrades in water, EPR maintains dimensional stability and electrical properties when saturated. The polymer structure lacks unsaturation points vulnerable to water attack, making it ideal for permanent immersion applications. EPR insulation maintains insulation resistance >100 M\u03a9\u00b7km even after years of submersion.\n            <\/div>\n\n            <h3>7. Outer Sheath &#8211; Ultimate Protection Layer<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <tr>\n                        <td>Material<\/td>\n                        <td>Special CM (Chloroprene-based) rubber compound, 5GM3 quality per VDE 0207 Part 21<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Thickness<\/td>\n                        <td>Per VDE 0250 Part 813 Table 2 (extra-heavy duty specification)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Waterproofing<\/td>\n                        <td>Secondary hermetic barrier, ensures protection even if minor outer damage occurs<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Special Properties<\/td>\n                        <td>Excellent resistance to: seawater, oil, ozone, UV, abrasion, marine organisms<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Color<\/td>\n                        <td>Typically black with yellow identification markings for underwater visibility<\/td>\n                    <\/tr>\n                <\/table>\n            <\/div>\n\n            <h3>Why CM (Chloroprene) Outer Sheath?<\/h3>\n            <p>Chloroprene rubber (similar to neoprene) provides unique advantages for submersible cables:<\/p>\n            <ul>\n                <li><strong>Superior Water Resistance:<\/strong> Chloroprene molecules have inherent water-repelling properties<\/li>\n                <li><strong>Marine Environment Stability:<\/strong> Resists degradation from salt, marine organisms, and biological fouling agents<\/li>\n                <li><strong>Oil and Chemical Resistance:<\/strong> Maintains integrity when exposed to hydraulic fluids, diesel, and industrial chemicals common in mining\/marine operations<\/li>\n                <li><strong>Ozone and UV Resistance:<\/strong> Protects cable during surface handling and storage before deployment<\/li>\n                <li><strong>Mechanical Toughness:<\/strong> High tear strength and abrasion resistance for demanding subsea environments<\/li>\n                <li><strong>Low Temperature Flexibility:<\/strong> Remains flexible at cold water temperatures where other compounds become brittle<\/li>\n            <\/ul>\n        <\/section>\n\n        <!-- Standards Compliance -->\n        <section class=\"section\">\n            <h2>Compliance with International Standards<\/h2>\n            \n            <h3>Primary Certification Standards:<\/h3>\n            <div style=\"margin: 2rem 0;\">\n                <span class=\"standard-badge\">DIN VDE 0250-813<\/span>\n                <span class=\"standard-badge\">VDE 0207-20<\/span>\n                <span class=\"standard-badge\">VDE 0207-21<\/span>\n                <span class=\"standard-badge\">VDE 0295<\/span>\n                <span class=\"standard-badge\">VDE 0298-3<\/span>\n                <span class=\"standard-badge\">VDE 0298-4<\/span>\n                <span class=\"standard-badge\">IEC 60228<\/span>\n                <span class=\"standard-badge\">IEC 60332-1-2<\/span>\n                <span class=\"standard-badge\">IEC 60811-2-1<\/span>\n                <span class=\"standard-badge\">HD 22.16<\/span>\n            <\/div>\n\n            <h3>Submersible-Specific Testing Standards:<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <thead>\n                        <tr>\n                            <th>Standard<\/th>\n                            <th>Test Requirement<\/th>\n                            <th>MT SUB PLUS Compliance<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td>HD 22.16<\/td>\n                            <td>Water immersion testing &#8211; permanent submersion<\/td>\n                            <td>Passes 1000+ hours at 300m equivalent pressure<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>AC Internal Test<\/td>\n                            <td>Salt and brackish water resistance<\/td>\n                            <td>Zero insulation degradation in 3.5% NaCl solution<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>IEC 60228<\/td>\n                            <td>Conductor class and construction<\/td>\n                            <td>Class 5 tinned copper, exceeds flexibility requirements<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>DIN VDE 0250-813<\/td>\n                            <td>Construction, dimensions, mechanical properties<\/td>\n                            <td>Full compliance with enhanced tensile rating (20 N\/mm\u00b2)<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>IEC 60332-1-2<\/td>\n                            <td>Flame retardant properties<\/td>\n                            <td>Passes vertical flame test despite underwater application<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>IEC 60811-2-1<\/td>\n                            <td>Oil resistance and ozone aging<\/td>\n                            <td>Type 2 oil resistance, superior ozone resistance<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>VDE 0207-20<\/td>\n                            <td>EPR insulation compound specifications<\/td>\n                            <td>3GI3 quality with enhanced water resistance<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>VDE 0207-21<\/td>\n                            <td>Sheath compound specifications<\/td>\n                            <td>GM1b inner, 5GM3 outer &#8211; both waterproofing grade<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n\n            <h3>Marine and Offshore Standards:<\/h3>\n            <ul>\n                <li><strong>International Maritime Organization (IMO):<\/strong> Cables meet requirements for use on vessels and marine structures<\/li>\n                <li><strong>Det Norske Veritas (DNV):<\/strong> Can be certified for offshore installation when required<\/li>\n                <li><strong>American Bureau of Shipping (ABS):<\/strong> Compliance available for marine applications<\/li>\n                <li><strong>Lloyd&#8217;s Register:<\/strong> Materials and construction suitable for marine certification<\/li>\n            <\/ul>\n\n            <h3>Regional Mining Standards:<\/h3>\n            <div class=\"info-box\">\n                <strong>Global Compliance:<\/strong> While based on German DIN VDE standards recognized worldwide, submersible mining cables may require additional regional certifications:\n                <ul style=\"margin-top: 1rem;\">\n                    <li><strong>Australia:<\/strong> AS\/NZS 1125 and AS\/NZS 1802 for mining applications (see <a href=\"https:\/\/www.amplexmining.com.au\" target=\"_blank\" rel=\"noopener\">amplexmining.com.au<\/a> for Australian compliance)<\/li>\n                    <li><strong>North America:<\/strong> MSHA approval and NEC Article 555 for marine applications<\/li>\n                    <li><strong>European Union:<\/strong> CE marking under Machinery Directive and ATEX for potentially explosive atmospheres<\/li>\n                    <li><strong>Latin America:<\/strong> Country-specific mining authority approvals (consult <a href=\"https:\/\/www.miningcable.cl\" target=\"_blank\" rel=\"noopener\">miningcable.cl<\/a> for regional requirements)<\/li>\n                <\/ul>\n            <\/div>\n\n            <div class=\"warning-box\">\n                <strong>Certification Verification:<\/strong> Always verify that submersible cables carry proper test certificates and compliance documentation for your specific jurisdiction. Water-immersed electrical installations involve extreme safety risks, and unauthorized or improperly certified cables should never be deployed. Contact <a href=\"mailto:tech@feichuncables.com\" rel=\"nofollow\">tech@feichuncables.com<\/a> for compliance documentation and regional certification support.\n            <\/div>\n        <\/section>\n\n        <!-- Safety Thresholds -->\n        <section class=\"section\">\n            <h2>Safety Thresholds and Operating Limits<\/h2>\n            \n            <h3>Critical Safety Parameters for Underwater Service:<\/h3>\n            \n            <div class=\"tech-table\">\n                <table>\n                    <thead>\n                        <tr>\n                            <th>Parameter<\/th>\n                            <th>Specification<\/th>\n                            <th>Safety Implications<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td>Maximum Immersion Depth<\/td>\n                            <td>300 meters (30 bar \/ 435 psi)<\/td>\n                            <td>Exceeding depth rating can cause sheath compression and water penetration<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Maximum Water Temperature<\/td>\n                            <td>40\u00b0C<\/td>\n                            <td>Higher temperatures accelerate aging and reduce insulation performance<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Maximum Conductor Temperature<\/td>\n                            <td>90\u00b0C continuous<\/td>\n                            <td>Thermal expansion underwater differs from air &#8211; monitor carefully<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Short Circuit Temperature<\/td>\n                            <td>250\u00b0C (5 seconds max)<\/td>\n                            <td>Underwater fault currents can vaporize water creating pressure surge<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Minimum Bending Radius<\/td>\n                            <td>20x cable diameter (trailing)<\/td>\n                            <td>Tighter bending underwater causes accelerated fatigue<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Maximum Tensile Load<\/td>\n                            <td>20 N\/mm\u00b2 conductor area<\/td>\n                            <td>Current forces and equipment weight can exceed limits<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Ambient Temperature (Mobile)<\/td>\n                            <td>-25\u00b0C to +60\u00b0C<\/td>\n                            <td>Cold water reduces flexibility, warm water accelerates aging<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Test Voltage (Routine)<\/td>\n                            <td>2.5 x U\u2080 for 5 minutes<\/td>\n                            <td>Never perform high voltage testing while cable is submerged<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n\n            <h3>Underwater-Specific Safety Considerations:<\/h3>\n            \n            <h3>1. Electrical Safety in Conductive Medium<\/h3>\n            <div class=\"warning-box\">\n                <strong>Critical Warning:<\/strong> Water, especially salt or brackish water, conducts electricity. Any insulation failure creates immediate shock hazard in a much larger area than would occur in air. Even small leakage currents can be fatal to divers or swimmers near energized underwater equipment.\n                <ul style=\"margin-top: 1rem;\">\n                    <li>Implement Ground Fault Circuit Interrupters (GFCI) rated for underwater service<\/li>\n                    <li>Set maximum ground fault trip to 30mA with 0.1 second response time<\/li>\n                    <li>Never work on or near underwater electrical equipment without proper lockout\/tagout<\/li>\n                    <li>Establish exclusion zones around submerged electrical installations<\/li>\n                    <li>Use insulation monitoring systems for early fault detection<\/li>\n                <\/ul>\n            <\/div>\n\n            <h3>2. Hydrostatic Pressure Effects<\/h3>\n            <ul>\n                <li><strong>Depth Rating Compliance:<\/strong> Never deploy cables below 300m rated depth. Pressure can compress outer sheath, reducing clearances and forcing water into microscopic gaps<\/li>\n                <li><strong>Pressure Testing:<\/strong> Factory pressure testing at 1.5x rated depth (450m equivalent) ensures adequate safety margin<\/li>\n                <li><strong>Ascent\/Descent Rates:<\/strong> Avoid rapid depth changes that can cause pressure differential stress on sheath materials<\/li>\n                <li><strong>Gas Evolution:<\/strong> Deep deployment followed by rapid surfacing can cause trapped gases to expand, potentially damaging cable structure<\/li>\n            <\/ul>\n\n            <h3>3. Current Carrying Capacity in Water<\/h3>\n            <p>Ampacity calculations for submerged cables differ significantly from air installation:<\/p>\n            <ul>\n                <li><strong>Enhanced Cooling:<\/strong> Water provides superior heat dissipation compared to air &#8211; ampacity can be 20-40% higher than equivalent air installation<\/li>\n                <li><strong>Water Temperature Impact:<\/strong> Ampacity must be derated if water temperature exceeds 20\u00b0C standard basis<\/li>\n                <li><strong>Current Forces:<\/strong> At high currents (>500A), electromagnetic forces between phase conductors increase &#8211; ensure adequate cable support<\/li>\n                <li><strong>Thermal Stratification:<\/strong> In static water, heated water rises &#8211; vertical installations may experience uneven cooling<\/li>\n            <\/ul>\n\n            <div class=\"info-box\">\n                <strong>Ampacity Adjustment Formula for Water Immersion:<\/strong><br>\n                I_water = I_air \u00d7 \u221a[(T_max &#8211; T_water) \/ (T_max &#8211; T_air)]<br>\n                Where: T_max = 90\u00b0C, T_water = actual water temperature, T_air = 40\u00b0C standard air temperature<br>\n                <br>\n                Example: For water at 25\u00b0C vs. air at 40\u00b0C:<br>\n                I_water = I_air \u00d7 \u221a[(90-25)\/(90-40)] = I_air \u00d7 1.14<br>\n                This represents 14% increased ampacity due to superior water cooling.\n            <\/ul>\n\n            <h3>4. Mechanical Stress Limits<\/h3>\n            <ul>\n                <li><strong>Dynamic Loading:<\/strong> Wave action, currents, and equipment motion create cyclical stress &#8211; implement strain relief and proper anchoring<\/li>\n                <li><strong>Abrasion Points:<\/strong> Contact with structures, seabed, or equipment can wear through outer sheath &#8211; inspect regularly and use protective sleeving<\/li>\n                <li><strong>Catenary Stress:<\/strong> For suspended underwater cables, calculate maximum safe suspended length to avoid exceeding 20 N\/mm\u00b2 tensile limit<\/li>\n                <li><strong>Marine Growth:<\/strong> Biological fouling increases cable weight and drag forces &#8211; periodic cleaning may be necessary<\/li>\n            <\/ul>\n\n            <h3>5. Chemical and Environmental Limits<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <tr>\n                        <td>Salt Water Concentration<\/td>\n                        <td>Suitable for full seawater (3.5% salinity) and brackish water<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>pH Range<\/td>\n                        <td>6.0 &#8211; 9.0 (outside this range requires special evaluation)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Oil Contamination<\/td>\n                        <td>Resistant per IEC 60811-2-1, but prolonged exposure to concentrated oil may degrade outer sheath<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Hydrogen Sulfide (H\u2082S)<\/td>\n                        <td>Concentrations >10 ppm can attack copper &#8211; use H\u2082S-resistant variants if present<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Sewage\/Wastewater<\/td>\n                        <td>Suitable for municipal wastewater applications with periodic inspection<\/td>\n                    <\/tr>\n                <\/table>\n            <\/div>\n        <\/section>\n\n        <!-- Precautions for Use -->\n        <section class=\"section\">\n            <h2>Precautions for Use and Installation Best Practices<\/h2>\n            \n            <h3>Pre-Deployment Inspection and Testing:<\/h3>\n            \n            <div class=\"warning-box\">\n                <strong>Mandatory Pre-Installation Tests:<\/strong>\n                <ol style=\"padding-left: 2rem; margin-top: 1rem;\">\n                    <li><strong>Visual Inspection:<\/strong> Examine entire cable length for cuts, abrasions, or deformations in outer sheath<\/li>\n                    <li><strong>Insulation Resistance Test:<\/strong> Minimum 100 M\u03a9\u00b7km at 1000V DC for 1 minute &#8211; record baseline values<\/li>\n                    <li><strong>High Voltage Test:<\/strong> Apply 80% of factory test voltage (e.g., 8.8 kV for 3.6\/6 kV cable) for 1 minute<\/li>\n                    <li><strong>Conductor Continuity:<\/strong> Verify all phase and earth conductors have <1\u03a9 resistance per 100m<\/li>\n                    <li><strong>Water Immersion Test (if possible):<\/strong> Immerse cable sample in water tank for 24 hours, re-test insulation resistance<\/li>\n                <\/ol>\n                Never deploy cables showing signs of damage or testing below specifications. The cost of cable failure underwater far exceeds replacement cable cost.\n            <\/div>\n\n            <h3>Deployment and Installation Guidelines:<\/h3>\n            \n            <h3>1. Submersible Pump Installation<\/h3>\n            <ul>\n                <li><strong>Strain Relief:<\/strong> Install proper cable clamps at pump head and surface support &#8211; cable weight plus pump weight must not exceed 20 N\/mm\u00b2<\/li>\n                <li><strong>Depth Markers:<\/strong> Mark cable at regular intervals to monitor deployment depth and prevent over-extension<\/li>\n                <li><strong>Controlled Descent:<\/strong> Lower pump and cable at controlled rate (maximum 1 meter\/second) to avoid dynamic shock loading<\/li>\n                <li><strong>Anchoring:<\/strong> Secure cable near pump to prevent wave-induced motion stress<\/li>\n                <li><strong>Termination Protection:<\/strong> Use submersible junction boxes rated for depth &#8211; never expose bare terminations to water<\/li>\n            <\/ul>\n\n            <h3>2. Dredger Cable Installation<\/h3>\n            <ul>\n                <li><strong>Cable Reel Management:<\/strong> Use cable reels specifically designed for submersible cables with smooth flanges<\/li>\n                <li><strong>Entry Point Protection:<\/strong> Install cable glands with double-seal design at vessel entry points<\/li>\n                <li><strong>Minimum Bending Radius:<\/strong> Ensure drag arm or support structures maintain 20x cable diameter minimum throughout motion range<\/li>\n                <li><strong>Anti-Twist Devices:<\/strong> Install swivels or rotating connectors to prevent cable twisting during operation<\/li>\n                <li><strong>Depth Limiting:<\/strong> Set mechanical stops to prevent equipment from exceeding 300m cable depth rating<\/li>\n            <\/ul>\n\n            <h3>3. Trailing Cable for Mining Equipment<\/h3>\n            <ul>\n                <li><strong>Cable Handlers:<\/strong> Use mechanical cable handlers to control cable tension and prevent dragging on mine floor<\/li>\n                <li><strong>Water Drainage:<\/strong> Design cable routing to allow water drainage from cable when equipment surfaces<\/li>\n                <li><strong>Inspection Access:<\/strong> Plan cable routes allowing regular inspection of underwater portions<\/li>\n                <li><strong>Emergency Retrieval:<\/strong> Establish procedures for rapid cable retrieval in emergency situations<\/li>\n            <\/ul>\n\n            <h3>Termination and Connection Precautions:<\/h3>\n            \n            <div class=\"water-box\">\n                <strong>Underwater Termination Critical Requirements:<\/strong>\n                <ul style=\"margin-top: 1rem;\">\n                    <li>Use only certified submersible connectors and junction boxes rated for 300m+ depth<\/li>\n                    <li>Apply manufacturer-specified sealants and potting compounds &#8211; never improvise<\/li>\n                    <li>Perform terminations in clean, dry environment &#8211; even minor contamination compromises seal integrity<\/li>\n                    <li>Pressure test completed terminations to 1.5x rated depth before deployment<\/li>\n                    <li>Install redundant sealing systems where possible (primary and backup seals)<\/li>\n                    <li>Mark termination locations for easy retrieval and inspection<\/li>\n                <\/ul>\n            <\/div>\n\n            <h3>Operational Monitoring and Maintenance:<\/h3>\n            \n            <h3>Continuous Monitoring Systems:<\/h3>\n            <ul>\n                <li><strong>Insulation Monitoring Devices (IMD):<\/strong> Install online insulation monitoring to detect degradation before failure<\/li>\n                <li><strong>Ground Fault Detection:<\/strong> Implement sensitive ground fault relays with underwater-rated trip levels<\/li>\n                <li><strong>Temperature Monitoring:<\/strong> Use fiber optic or resistance temperature detectors (RTDs) for conductor temperature trending<\/li>\n                <li><strong>Tension Monitoring:<\/strong> For critical installations, monitor cable tension to prevent overload<\/li>\n            <\/ul>\n\n            <h3>Periodic Inspection Schedule:<\/h3>\n            <div class=\"tech-table\">\n                <table>\n                    <thead>\n                        <tr>\n                            <th>Frequency<\/th>\n                            <th>Inspection Activity<\/th>\n                            <th>Acceptance Criteria<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td>Daily<\/td>\n                            <td>Visual inspection of accessible portions and terminations<\/td>\n                            <td>No visible damage, discoloration, or water leakage<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Weekly<\/td>\n                            <td>Thermal imaging of connections and surface cable<\/td>\n                            <td>No hot spots >10\u00b0C above ambient<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Monthly<\/td>\n                            <td>Insulation resistance testing (underwater cables can be tested energized using specialized equipment)<\/td>\n                            <td>>50 M\u03a9\u00b7km (degradation from initial values triggers investigation)<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Quarterly<\/td>\n                            <td>Underwater inspection (ROV or diver) of submerged cable and terminations<\/td>\n                            <td>No abrasion, cuts, marine growth affecting cable, terminations intact<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>Annually<\/td>\n                            <td>Comprehensive electrical testing including partial discharge (may require retrieval)<\/td>\n                            <td>All parameters within 90% of commissioning values<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n\n            <h3>Storage and Handling:<\/h3>\n            <ul>\n                <li><strong>Dry Storage:<\/strong> Store cables in dry, covered areas away from direct sunlight and chemicals<\/li>\n                <li><strong>Coil Storage:<\/strong> Store on reels or in coils with diameter >30x cable diameter to prevent set memory<\/li>\n                <li><strong>Temperature Control:<\/strong> Store at 5-30\u00b0C &#8211; avoid extreme temperatures that can affect rubber compounds<\/li>\n                <li><strong>Periodic Rotation:<\/strong> Rotate stored cables quarterly to prevent flat spots from developing<\/li>\n                <li><strong>Pre-Use Conditioning:<\/strong> Allow cables to reach ambient temperature before deployment to maintain flexibility<\/li>\n            <\/ul>\n\n            <div class=\"warning-box\">\n                <strong>Cold Water Deployment Warning:<\/strong> When deploying cables in water <10\u00b0C, allow cable to equilibrate to water temperature gradually. Rapid temperature change can cause temporary stiffening and increase risk of installation damage. If deploying in very cold water (<5\u00b0C), consider using heated storage until immediately before deployment.\n            <\/div>\n        <\/section>\n\n        <!-- Common Problems -->\n        <section class=\"section\">\n            <h2>Common Problems and Advanced Troubleshooting<\/h2>\n            \n            <h3>Submersible Cable-Specific Issues:<\/h3>\n            \n            <h3>1. Water Ingress and Insulation Degradation<\/h3>\n            <p><strong>Symptoms:<\/strong> Gradual decrease in insulation resistance, intermittent earth faults, erratic equipment operation, or complete insulation breakdown.<\/p>\n            \n            <p><strong>Root Causes:<\/strong><\/p>\n            <ul>\n                <li>Microscopic sheath damage during installation or operation allowing slow water penetration<\/li>\n                <li>Termination seal failure from improper installation or aging sealant compounds<\/li>\n                <li>Exceeding rated depth causing hydrostatic pressure to force water through compromised areas<\/li>\n                <li>Sheath puncture from sharp objects, equipment contact, or marine life<\/li>\n                <li>Manufacturing defects (rare but possible) creating water penetration paths<\/li>\n            <\/ul>\n            \n            <p><strong>Diagnosis and Solutions:<\/strong><\/p>\n            <ul>\n                <li><strong>Time Domain Reflectometry (TDR):<\/strong> Locate water ingress points by detecting impedance changes. Water-filled cable sections show characteristic signatures<\/li>\n                <li><strong>Insulation Resistance Trending:<\/strong> Plot resistance over time &#8211; rapid drops indicate active water penetration<\/li>\n                <li><strong>Megger Testing at Depth:<\/strong> Test insulation resistance while cable is at operating depth using specialized equipment. Pressure can reveal faults not apparent at surface<\/li>\n                <li><strong>Nitrogen Pressurization Test:<\/strong> After retrieval, seal both ends and pressurize cable interior with dry nitrogen at 2-3 bar. Pressure drop indicates leak location<\/li>\n                <li><strong>Remediation:<\/strong> Water-compromised cables generally require replacement. Field repairs of submersible cables are rarely successful long-term<\/li>\n            <\/ul>\n\n            <div class=\"warning-box\">\n                <strong>Water Ingress Critical Warning:<\/strong> Once water enters cable insulation system, it spreads through capillary action along conductor strands and insulation interfaces. What starts as minor ingress at one point can contaminate long cable sections within weeks. Early detection and immediate action are essential to prevent catastrophic failure.\n            <\/div>\n\n            <h3>2. Termination and Connection Failures<\/h3>\n            <p><strong>Symptoms:<\/strong> Localized heating at termination point, visible water leakage from junction boxes, flashover during energization, or complete connection failure.<\/p>\n            \n            <p><strong>Common Causes:<\/strong><\/p>\n            <ul>\n                <li>Inadequate sealing compound application leaving gaps for water entry<\/li>\n                <li>Wrong termination hardware used (not rated for submersible service)<\/li>\n                <li>Contamination during termination process (moisture, oil, dirt on connection surfaces)<\/li>\n                <li>Mechanical stress on termination from cable movement or improper strain relief<\/li>\n                <li>Sealant degradation from prolonged underwater exposure or chemical attack<\/li>\n                <li>Corrosion of tinned copper terminations from electrochemical reactions<\/li>\n            <\/ul>\n            \n            <p><strong>Prevention and Solutions:<\/strong><\/p>\n            <ul>\n                <li>Use only manufacturer-approved submersible termination kits with depth-rated components<\/li>\n                <li>Follow termination procedures precisely in controlled environment (clean, dry, <60% humidity)<\/li>\n                <li>Apply silicone grease to all connection surfaces before assembly<\/li>\n                <li>Install strain relief boots and cable clamps to prevent mechanical stress on terminations<\/li>\n                <li>Pressure test completed terminations before deployment using specialized test chambers<\/li>\n                <li>Implement cathodic protection systems for terminations in highly corrosive environments<\/li>\n                <li>Schedule regular ROV\/diver inspections of underwater terminations for early problem detection<\/li>\n            <\/ul>\n\n            <h3>3. Mechanical Damage from Underwater Hazards<\/h3>\n            <p><strong>Symptoms:<\/strong> Visible cuts or abrasions in outer sheath, flattened cable cross-section, conductor damage, or sudden catastrophic failure.<\/p>\n            \n            <p><strong>Typical Scenarios:<\/strong><\/p>\n            <ul>\n                <li>Abrasion from repetitive contact with rough seabed, rocks, or structures<\/li>\n                <li>Crushing from heavy equipment rolling over cable or objects falling on cable<\/li>\n                <li>Cuts from sharp edges on mining equipment, boat propellers, or construction debris<\/li>\n                <li>Bending fatigue from wave action, current forces, or equipment motion<\/li>\n                <li>Marine life damage (shark bites, abrasion from barnacles and mussels)<\/li>\n            <\/ul>\n            \n            <p><strong>Mitigation Strategies:<\/strong><\/p>\n            <ul>\n                <li>Install protective sleeving (polyurethane, steel armor, or Kevlar braid) in high-risk areas<\/li>\n                <li>Use cable guides and supports to route cable away from hazard zones<\/li>\n                <li>Bury cables where possible in seabed sediment using water jetting or trenching<\/li>\n                <li>Mark cable routes clearly to prevent equipment operators from inadvertently crossing cables<\/li>\n                <li>Implement exclusion zones around critical underwater cable sections<\/li>\n                <li>For mining applications, design cable routes avoiding equipment travel paths<\/li>\n                <li>Regular underwater inspection allows early detection and protective measures before major damage<\/li>\n            <\/ul>\n\n            <h3>4. Depth Rating Exceedance and Pressure Damage<\/h3>\n            <p><strong>Symptoms:<\/strong> Sudden insulation resistance drop after deep deployment, visible sheath compression, or water ingress despite intact outer sheath.<\/p>\n            \n            <p><strong>Causes:<\/strong><\/p>\n            <ul>\n                <li>Deploying cable below 300m rated depth during operation or testing<\/li>\n                <li>Inaccurate depth measurement leading to unintended over-depth operation<\/li>\n                <li>Rapid pressure changes causing differential stress on cable layers<\/li>\n                <li>Long-term creep of sheath materials under sustained high pressure<\/li>\n            <\/ul>\n            \n            <p><strong>Prevention:<\/strong><\/p>\n            <ul>\n                <li>Install depth sensors and automatic shutdown systems at 280m (safety margin before 300m limit)<\/li>\n                <li>Implement administrative controls and operator training emphasizing depth limitations<\/li>\n                <li>Mark cables with maximum safe depth prominently<\/li>\n                <li>For deeper applications (>300m), consult with <a href=\"mailto:zihao.yang@feichuncable.com\" rel=\"nofollow\">zihao.yang@feichuncable.com<\/a> for custom higher-rated cables<\/li>\n                <li>Conduct periodic pressure testing of in-service cables (requires specialized equipment and retrieval)<\/li>\n            <\/ul>\n\n            <h3>5. Thermal Issues in Water<\/h3>\n            <p><strong>Symptoms:<\/strong> Unexpected conductor overheating, insulation softening, or reduced ampacity despite water cooling.<\/p>\n            \n            <p><strong>Unusual Causes in Underwater Service:<\/strong><\/p>\n            <ul>\n                <li>Water temperature higher than design basis (>40\u00b0C in hot springs, geothermal areas, or industrial discharge)<\/li>\n                <li>Stagnant water conditions preventing natural convection cooling<\/li>\n                <li>Sediment buildup or marine growth reducing heat dissipation<\/li>\n                <li>High harmonic content from VFDs creating additional I\u00b2R losses<\/li>\n                <li>Termination resistance due to corrosion generating localized heat<\/li>\n            <\/ul>\n            \n            <p><strong>Solutions:<\/strong><\/p>\n            <ul>\n                <li>Monitor water temperature continuously &#8211; install RTD sensors near cable<\/li>\n                <li>If water >40\u00b0C, derate ampacity or relocate cable to cooler water<\/li>\n                <li>Implement periodic cleaning of cables to remove marine growth and sediment<\/li>\n                <li>Install harmonic filters on VFD-driven equipment<\/li>\n                <li>Use fiber optic distributed temperature sensing (DTS) for real-time conductor temperature monitoring<\/li>\n            <\/ul>\n\n            <h3>6. Electrochemical Corrosion and Galvanic Issues<\/h3>\n            <p><strong>Symptoms:<\/strong> Green or white deposits on connectors, increased connection resistance, intermittent faults, or complete connection failure.<\/p>\n            \n            <p><strong>Causes:<\/strong><\/p>\n            <ul>\n                <li>Galvanic couples between dissimilar metals (tinned copper cables with aluminum or brass fittings)<\/li>\n                <li>Stray currents from other underwater electrical systems<\/li>\n                <li>Improper grounding creating return current paths through seawater<\/li>\n                <li>Saltwater acting as electrolyte accelerating galvanic corrosion<\/li>\n            <\/ul>\n            \n            <p><strong>Prevention and Mitigation:<\/strong><\/p>\n            <ul>\n                <li>Use only compatible metals in underwater connections (copper-to-copper preferred)<\/li>\n                <li>Install sacrificial anodes (zinc or magnesium) near metallic connection hardware<\/li>\n                <li>Implement cathodic protection systems for large underwater installations<\/li>\n                <li>Ensure proper grounding system design to minimize stray current paths<\/li>\n                <li>Apply corrosion inhibitor compounds (zinc-rich or epoxy-based) to exposed metallic surfaces<\/li>\n                <li>Isolate different electrical systems using isolation transformers<\/li>\n            <\/ul>\n\n            <div class=\"info-box\">\n                <strong>Technical Support:<\/strong> Submersible cable applications involve unique challenges requiring specialized expertise. For complex installations, troubleshooting, or custom cable specifications, contact Feichun Special Cable engineering team:\n                <ul style=\"margin-top: 1rem;\">\n                    <li>On-site underwater cable inspection and testing services<\/li>\n                    <li>Custom cable design for depths >300m or extreme environments<\/li>\n                    <li>Failure analysis laboratory services with comprehensive testing<\/li>\n                    <li>Installation supervision and commissioning support<\/li>\n                    <li>Training programs for underwater electrical systems<\/li>\n                    <li>Finite element analysis for complex pressure\/stress scenarios<\/li>\n                <\/ul>\n            <\/div>\n        <\/section>\n\n        <!-- Technical Specifications -->\n        <section class=\"section\">\n            <h2>Complete Technical Specifications<\/h2>\n            \n            <h3>Available Cable Configurations (6\/10 kV Example):<\/h3>\n            <div class=\"tech-table\" style=\"overflow-x: auto;\">\n                <table>\n                    <thead>\n                        <tr>\n                            <th>Conductor Size<\/th>\n                            <th>Min Diameter<\/th>\n                            <th>Max Diameter<\/th>\n                            <th>Approx. Weight<\/th>\n                            <th>Max Tensile Load<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td>3&#215;25 + 3&#215;25\/3<\/td>\n                            <td>39.9 mm<\/td>\n                            <td>42.2 mm<\/td>\n                            <td>2620 kg\/km<\/td>\n                            <td>1500 N<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>3&#215;35 + 3&#215;25\/3<\/td>\n                            <td>42.9 mm<\/td>\n                            <td>45.2 mm<\/td>\n                            <td>3120 kg\/km<\/td>\n                            <td>2100 N<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>3&#215;50 + 3&#215;25\/3<\/td>\n                            <td>46.0 mm<\/td>\n                            <td>48.3 mm<\/td>\n                            <td>3750 kg\/km<\/td>\n                            <td>3000 N<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>3&#215;70 + 3&#215;35\/3<\/td>\n                            <td>49.8 mm<\/td>\n                            <td>52.2 mm<\/td>\n                            <td>4710 kg\/km<\/td>\n                            <td>4200 N<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>3&#215;95 + 3&#215;50\/3<\/td>\n                            <td>55.8 mm<\/td>\n                            <td>58.2 mm<\/td>\n                            <td>5920 kg\/km<\/td>\n                            <td>5700 N<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>3&#215;120 + 3&#215;70\/3<\/td>\n                            <td>59.6 mm<\/td>\n                            <td>62.1 mm<\/td>\n                            <td>7180 kg\/km<\/td>\n                            <td>7200 N<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>3&#215;150 + 3&#215;70\/3<\/td>\n                            <td>66.0 mm<\/td>\n                            <td>69.0 mm<\/td>\n                            <td>8730 kg\/km<\/td>\n                            <td>9000 N<\/td>\n                        <\/tr>\n                        <tr>\n                            <td>3&#215;185 + 3&#215;95\/3<\/td>\n                            <td>67.9 mm<\/td>\n                            <td>70.9 mm<\/td>\n                            <td>9930 kg\/km<\/td>\n                            <td>11100 N<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n            \n            <p><em>Note: Similar configurations available for 3.6\/6 kV, 8.7\/15 kV, and 12\/20 kV ratings. Dimensions and weights vary with voltage rating due to insulation thickness. Cables are typically supplied on steel reels sized appropriately for the cable diameter.<\/em><\/p>\n\n            <div class=\"water-box\">\n                <strong>Weight Considerations:<\/strong> Underwater cable weight is critical for deployment planning. The cables listed are heavier than equivalent reeling cables due to enhanced waterproofing layers. In water, effective weight is reduced by buoyancy &#8211; seawater provides approximately 1025 kg\/m\u00b3 buoyancy, reducing net weight by roughly 15-20% depending on cable density. Factor this into tensile load calculations for suspended installations.\n            <\/div>\n        <\/section>\n\n        <!-- Contact Section -->\n        <div class=\"contact-section\">\n            <h2>Submersible Cable Expertise and Support<\/h2>\n            <p style=\"font-size: 1.1rem; margin: 1.5rem 0;\">Anhui Feichun Special Cable Co., Ltd. &#8211; Your trusted partner for underwater power transmission solutions. Over 20 years experience in submersible cable manufacturing and engineering support.<\/p>\n            \n            <div class=\"contact-grid\">\n                <div class=\"contact-card\">\n                    <div class=\"contact-icon\">\ud83d\udd2c<\/div>\n                    <h3>Technical Engineering<\/h3>\n                    <p><a href=\"mailto:tech@feichuncables.com\" rel=\"nofollow\">tech@feichuncables.com<\/a><\/p>\n                    <p>Subsea cable design, testing protocols, failure analysis, and technical documentation<\/p>\n                <\/div>\n                \n                <div class=\"contact-card\">\n                    <div class=\"contact-icon\">\ud83c\udf0a<\/div>\n                    <h3>Project Sales<\/h3>\n                    <p><a href=\"mailto:zihao.yang@feichuncable.com\" rel=\"nofollow\">zihao.yang@feichuncable.com<\/a><\/p>\n                    <p>Custom submersible cable quotes, project consultation, and specifications<\/p>\n                <\/div>\n                \n                <div class=\"contact-card\">\n                    <div class=\"contact-icon\">\ud83d\udcde<\/div>\n                    <h3>International Direct Line<\/h3>\n                    <p><strong>+86 13855123218<\/strong><\/p>\n                    <p>24\/7 support for emergency cable supply and urgent technical assistance<\/p>\n                <\/div>\n            <\/div>\n            \n            <div style=\"margin-top: 3rem;\">\n                <a href=\"https:\/\/www.cranecable.com\" class=\"cta-button\" target=\"_blank\" rel=\"noopener\">View Our Complete Marine Cable Portfolio<\/a>\n                <a href=\"mailto:tech@feichuncables.com\" class=\"cta-button\" rel=\"nofollow\">Request Submersible Cable Testing Data<\/a>\n            <\/div>\n        <\/div>\n\n        <!-- Related Resources -->\n        <section class=\"section\">\n            <h2>Technical Resources and Industry References<\/h2>\n            \n            <h3>Standards Organizations:<\/h3>\n            <ul>\n                <li><a href=\"https:\/\/www.vde.com\/en\" rel=\"nofollow noopener\" target=\"_blank\">VDE Institute<\/a> &#8211; German electrical standards authority, DIN VDE specifications<\/li>\n                <li><a href=\"https:\/\/www.iec.ch\" rel=\"nofollow noopener\" target=\"_blank\">International Electrotechnical Commission<\/a> &#8211; Global electrical and electronic standards<\/li>\n                <li><a href=\"https:\/\/www.cenelec.eu\" rel=\"nofollow noopener\" target=\"_blank\">CENELEC<\/a> &#8211; European electrical standardization body<\/li>\n                <li><a href=\"https:\/\/www.dnv.com\" rel=\"nofollow noopener\" target=\"_blank\">DNV (Det Norske Veritas)<\/a> &#8211; Marine and offshore certification authority<\/li>\n            <\/ul>\n            \n            <h3>Technical Documentation:<\/h3>\n            <ul>\n                <li><a href=\"https:\/\/webstore.iec.ch\/publication\/1021\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60228<\/a> &#8211; Conductors of insulated cables specification<\/li>\n                <li><a href=\"https:\/\/www.copper.org\" rel=\"nofollow noopener\" target=\"_blank\">International Copper Association<\/a> &#8211; Copper conductor technology and applications<\/li>\n                <li>HD 22.16 &#8211; Harmonized document for cables for use in water<\/li>\n            <\/ul>\n            \n            <h3>Feichun Cable Global Network:<\/h3>\n            <ul>\n                <li><a href=\"https:\/\/www.cranecable.com\" target=\"_blank\" rel=\"noopener\">Crane and Marine Cables<\/a> &#8211; Specialized cables for port machinery and offshore applications<\/li>\n                <li><a href=\"https:\/\/www.reelingcable.com\" target=\"_blank\" rel=\"noopener\">Reeling Cables<\/a> &#8211; Complete range for mobile mining and port equipment<\/li>\n                <li><a href=\"https:\/\/www.amplexmining.com.au\" target=\"_blank\" rel=\"noopener\">Australian Mining Solutions<\/a> &#8211; AS\/NZS compliant cables for Australia and Pacific region<\/li>\n                <li><a href=\"https:\/\/www.miningcable.cl\" target=\"_blank\" rel=\"noopener\">Soluciones de Cables en Am\u00e9rica Latina<\/a> &#8211; Cables para miner\u00eda submarina y operaciones de dragado<\/li>\n                <li><a href=\"https:\/\/www.feichuncable.com\" target=\"_blank\" rel=\"noopener\">\u98db\u7d14\u96fb\u7e9c\uff08\u7e41\u9ad4\u4e2d\u6587\uff09<\/a> &#8211; \u6c34\u4e0b\u96fb\u7e9c\u5c08\u696d\u89e3\u6c7a\u65b9\u6848<\/li>\n            <\/ul>\n        <\/section>\n\n    <\/div>\n\n    <!-- Footer -->\n    <footer>\n        <div class=\"footer-content\">\n            <h3 style=\"color: var(--primary-color); margin-bottom: 1rem;\">Anhui Feichun Special Cable Co., Ltd.<\/h3>\n            <p style=\"color: var(--text-secondary); margin-bottom: 2rem;\">\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/p>\n            <p style=\"color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8;\">\n                Leading manufacturer of submersible and underwater power cables for mining, marine, and industrial applications.<br>\n                Certified to international standards with comprehensive testing facilities and engineering support.\n            <\/p>\n            \n            <div class=\"footer-links\">\n                <a href=\"https:\/\/www.cranecable.com\" target=\"_blank\" rel=\"noopener\">Marine Cables<\/a>\n                <a href=\"https:\/\/www.reelingcable.com\" target=\"_blank\" rel=\"noopener\">Reeling Cables<\/a>\n                <a href=\"https:\/\/www.amplexmining.com.au\" target=\"_blank\" rel=\"noopener\">Australian Mining<\/a>\n                <a href=\"https:\/\/www.miningcable.cl\" target=\"_blank\" rel=\"noopener\">Latin America<\/a>\n                <a href=\"https:\/\/www.feichuncable.com\" target=\"_blank\" rel=\"noopener\">\u4e2d\u6587\u7db2\u7ad9<\/a>\n            <\/div>\n            \n            <p style=\"color: var(--text-secondary); margin-top: 2rem; font-size: 0.85rem;\">\n                &copy; 2025 Anhui Feichun Special Cable Co., Ltd. All rights reserved.<br>\n                Technical information provided for reference only. Always consult qualified marine\/electrical engineers for specific underwater installations.\n            <\/p>\n        <\/div>\n    <\/footer>\n\n<\/body>\n<\/html>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/NTSCGEWOULWL-Reeling-Cable-Anhui-Feichun-Special-Cable-Co.-Ltd_.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"\u5d4c\u5165 (N)TSCGEW\u00d6U+LWL Reeling Cable - Anhui Feichun Special Cable Co., Ltd_\"><\/object><a id=\"wp-block-file--media-70d1e607-d1d4-42ad-80a9-27ef98fbbb87\" href=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/NTSCGEWOULWL-Reeling-Cable-Anhui-Feichun-Special-Cable-Co.-Ltd_.pdf\">(N)TSCGEW\u00d6U+LWL Reeling Cable &#8211; Anhui Feichun Special Cable Co., Ltd_<\/a><a href=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/NTSCGEWOULWL-Reeling-Cable-Anhui-Feichun-Special-Cable-Co.-Ltd_.pdf\" class=\"wp-block-file__button wp-element-button\" aria-describedby=\"wp-block-file--media-70d1e607-d1d4-42ad-80a9-27ef98fbbb87\" download>\u4e0b\u8f7d<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"Type (N)TSCGEW\u00d6U Cable represents the pinnacle of submersible cable engineering, specifically designed for permanent immersion in water under extreme mechanical stresses. Designated as MT SUB PLUS, this specialized medium voltage cable is engineered for underwater applications where conventional cables would fail within hours or days of submersion.","protected":false},"author":1,"featured_media":1292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"right","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[101,46,8,165,7],"tags":[16,105,126,130,17,102,202],"class_list":["post-1290","post","type-post","status-publish","format-standard","has-post-thumbnail","category-submersible-pump-cable","category-cable-for-shore-connection-systems","category-cranes-and-material-handling-cable","category-drag-chain-cable","category-mining-trailing-cable","tag-din-vde-0250","tag-harmonized-rubber-cable-for-underwater-applications","tag-industrial-water-applications","tag-permanent-underwater-operation","tag-reeling-cable","tag-submersible-pump-cable","tag-underwater-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/1290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=1290"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/1290\/revisions"}],"predecessor-version":[{"id":1293,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/1290\/revisions\/1293"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/1292"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=1290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=1290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=1290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}