{"id":2918,"date":"2025-12-12T16:43:30","date_gmt":"2025-12-12T08:43:30","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=2918"},"modified":"2025-12-12T16:43:33","modified_gmt":"2025-12-12T08:43:33","slug":"331-hf-fire-resistant-single-conductor-power-cable","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/331-hf-fire-resistant-single-conductor-power-cable\/","title":{"rendered":"331 HF\u00a0Fire Resistant\u00a0Single Conductor Power Cable"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Low Smoke Halogen-Free (LSHF) extremely flexible wind turbine cable rated 2kV and 90\u00b0C, engineered for offshore platforms and critical emergency circuits requiring IEC 60331 fire resistance certification. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-dominant-color=\"758daa\" data-has-transparency=\"false\" loading=\"lazy\" decoding=\"async\" width=\"459\" height=\"499\" sizes=\"auto, (max-width: 459px) 100vw, 459px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-316.avif\" alt=\"331HF fire resistant cable has earned certification from the world&#039;s leading maritime and offshore classification societies, ensuring compliance with the most stringent international standards for fire safety and electrical performance in hazardous environments.\" class=\"wp-image-2919 not-transparent\" style=\"--dominant-color: #758daa; width:640px;height:auto\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-316.avif 459w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-316-276x300.avif 276w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-316-400x435.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=\"331HF Fire Resistant Single Conductor Power Cable - 2kV Low Smoke Halogen-Free extremely flexible wind turbine cable rated 90\u00b0C. IEEE 1580, IEC 60331 certified for offshore and critical circuit applications.\">\n    <meta name=\"keywords\" content=\"331HF fire resistant cable, GEXOL-331HF, low smoke halogen free cable, IEEE 1580, IEC 60331, wind turbine cable, offshore power cable, fire resistant single conductor, 2kV marine cable, DNV-GL approved cable\">\n    <meta name=\"author\" content=\"Anhui Feichun Special Cable Co., Ltd.\">\n    <meta name=\"robots\" content=\"index, follow\">\n    <title>331HF Fire Resistant Single Conductor Power Cable | 2kV Low Smoke Halogen-Free Wind Turbine Cable | Anhui Feichun Cable<\/title>\n    \n    <!-- Open Graph Meta Tags -->\n    <meta property=\"og:title\" content=\"331HF Fire Resistant Single Conductor Power Cable - Low Smoke Halogen-Free 2kV\">\n    <meta property=\"og:description\" content=\"Technical guide for 331HF fire resistant single conductor power cable. IEEE 1580 certified, IEC 60331 fire resistant, designed for offshore wind turbines and critical emergency circuits.\">\n    <meta property=\"og:type\" content=\"article\">\n    <meta property=\"og:locale\" content=\"en_US\">\n    \n    <!-- Canonical URL -->\n    <link rel=\"canonical\" href=\"https:\/\/www.feichuncable.com\/331hf-fire-resistant-power-cable\">\n    \n    <style>\n        :root {\n            --bg-primary: #060910;\n            --bg-secondary: #0d1117;\n            --bg-tertiary: #161b22;\n            --bg-card: #0f141a;\n            --text-primary: #e6edf3;\n            --text-secondary: #8b949e;\n            --text-muted: #6e7681;\n            --accent-fire: #ff6b35;\n            --accent-fire-dark: #cc4400;\n            --accent-safety: #ffc107;\n            --accent-blue: #58a6ff;\n            --accent-green: #3fb950;\n            --accent-red: #f85149;\n            --border-color: #21262d;\n            --border-highlight: #363b42;\n            --table-stripe: #0d1218;\n            --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);\n        }\n        \n        * {\n            margin: 0;\n            padding: 0;\n            box-sizing: border-box;\n        }\n        \n        body {\n            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;\n            background: var(--bg-primary);\n            color: var(--text-primary);\n            line-height: 1.7;\n            font-size: 16px;\n        }\n        \n        \/* Header *\/\n        .header {\n            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);\n            border-bottom: 1px solid var(--border-color);\n            padding: 1rem 0;\n            position: fixed;\n            width: 100%;\n            top: 0;\n            z-index: 1000;\n        }\n        \n        .header-content {\n            max-width: 1400px;\n            margin: 0 auto;\n            padding: 0 2rem;\n            display: 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       \n        \/* Construction Diagram *\/\n        .construction-section {\n            background: var(--bg-card);\n            border: 1px solid var(--border-color);\n            border-radius: 12px;\n            padding: 2rem;\n            margin: 2rem 0;\n        }\n        \n        .construction-layers {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n            gap: 1rem;\n            margin-top: 1.5rem;\n        }\n        \n        .layer-item {\n            display: flex;\n            align-items: flex-start;\n            gap: 1rem;\n            padding: 1rem;\n            background: var(--bg-tertiary);\n            border-radius: 8px;\n            border-left: 3px solid var(--accent-fire);\n        }\n        \n        .layer-number {\n            width: 32px;\n            height: 32px;\n            background: var(--accent-fire);\n            color: white;\n            border-radius: 50%;\n            display: 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.feature-check {\n            color: var(--accent-green);\n            font-size: 1.2rem;\n            flex-shrink: 0;\n            margin-top: 2px;\n        }\n        \n        .feature-item p {\n            color: var(--text-secondary);\n            font-size: 0.95rem;\n        }\n        \n        .feature-item strong {\n            color: var(--text-primary);\n        }\n        \n        \/* Gland Types Table *\/\n        .gland-table-wrapper {\n            overflow-x: auto;\n            margin: 2rem 0;\n            border-radius: 12px;\n            border: 1px solid var(--border-color);\n        }\n        \n        .gland-table {\n            width: 100%;\n            border-collapse: collapse;\n            font-size: 0.9rem;\n        }\n        \n        .gland-table th {\n            background: var(--bg-tertiary);\n            color: var(--text-primary);\n            font-weight: 600;\n            text-align: left;\n            padding: 1rem;\n            border-bottom: 2px solid var(--accent-safety);\n        }\n        \n        .gland-table td {\n            padding: 0.9rem 1rem;\n            border-bottom: 1px solid var(--border-color);\n            color: var(--text-secondary);\n        }\n        \n        .gland-table tr:nth-child(even) {\n            background: var(--table-stripe);\n        }\n        \n        .gland-type {\n            font-weight: 600;\n            color: var(--accent-safety);\n        }\n        \n        .zone-badge {\n            display: inline-block;\n            padding: 0.2rem 0.6rem;\n            background: var(--bg-tertiary);\n            border: 1px solid var(--border-color);\n            border-radius: 4px;\n            font-size: 0.8rem;\n            font-family: monospace;\n        }\n        \n        \/* Comparison Section *\/\n        .comparison-card {\n            background: var(--bg-card);\n            border: 1px solid var(--border-color);\n            border-radius: 12px;\n            padding: 2rem;\n    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linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-card) 100%);\n            border: 1px solid var(--border-color);\n            border-radius: 12px;\n            padding: 2rem;\n            margin: 2rem 0;\n        }\n        \n        .ordering-example {\n            background: var(--bg-primary);\n            border: 1px solid var(--border-color);\n            border-radius: 8px;\n            padding: 1.5rem;\n            margin-top: 1.5rem;\n            font-family: 'Consolas', 'Monaco', monospace;\n        }\n        \n        .ordering-format {\n            font-size: 1.1rem;\n            color: var(--accent-fire);\n            margin-bottom: 1rem;\n            letter-spacing: 1px;\n        }\n        \n        .ordering-breakdown {\n            display: grid;\n            gap: 0.75rem;\n        }\n        \n        .order-part {\n            display: flex;\n            align-items: center;\n            gap: 1rem;\n        }\n        \n        .order-code {\n            min-width: 120px;\n            color: var(--accent-blue);\n            font-weight: 600;\n        }\n        \n        .order-desc {\n            color: var(--text-muted);\n            font-size: 0.9rem;\n        }\n        \n        \/* Citations Section *\/\n        .citations-section {\n            background: var(--bg-card);\n            border: 1px solid var(--border-color);\n            border-radius: 12px;\n            padding: 2rem;\n            margin: 3rem 0;\n        }\n        \n        .citation-item {\n            padding: 1rem 0;\n            border-bottom: 1px solid var(--border-color);\n        }\n        \n        .citation-item:last-child {\n            border-bottom: none;\n        }\n        \n        .citation-source {\n            color: var(--accent-blue);\n            text-decoration: none;\n            font-weight: 500;\n        }\n        \n        .citation-source:hover {\n            text-decoration: underline;\n        }\n        \n        .citation-text {\n            color: var(--text-muted);\n            font-size: 0.9rem;\n            margin-top: 0.5rem;\n        }\n        \n        \/* CTA Section *\/\n        .cta-section {\n            background: linear-gradient(135deg, var(--accent-fire-dark) 0%, #8b2500 100%);\n            border-radius: 16px;\n            padding: 3rem;\n            text-align: center;\n            margin: 3rem 0;\n        }\n        \n        .cta-section h2 {\n            font-size: 1.8rem;\n            margin-bottom: 1rem;\n            color: white;\n        }\n        \n        .cta-section p {\n            color: rgba(255,255,255,0.9);\n            margin-bottom: 2rem;\n            font-size: 1.1rem;\n        }\n        \n        .cta-buttons {\n            display: flex;\n            justify-content: center;\n            gap: 1rem;\n            flex-wrap: wrap;\n        }\n        \n        .cta-btn {\n            display: inline-flex;\n            align-items: center;\n            gap: 0.5rem;\n            padding: 0.9rem 1.8rem;\n            border-radius: 8px;\n            text-decoration: none;\n            font-weight: 600;\n            font-size: 1rem;\n        }\n        \n        .cta-btn-primary {\n            background: white;\n            color: var(--accent-fire-dark);\n        }\n        \n        .cta-btn-primary:hover {\n            background: #f0f0f0;\n        }\n        \n        .cta-btn-secondary {\n            background: rgba(255,255,255,0.15);\n            color: white;\n            border: 1px solid rgba(255,255,255,0.3);\n        }\n        \n        .cta-btn-secondary:hover {\n            background: rgba(255,255,255,0.25);\n        }\n        \n        \/* Footer *\/\n        .footer {\n            background: var(--bg-secondary);\n            border-top: 1px solid var(--border-color);\n            padding: 3rem 2rem;\n            margin-top: 4rem;\n        }\n        \n        .footer-content {\n            max-width: 1200px;\n            margin: 0 auto;\n        }\n        \n        .footer-grid {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));\n            gap: 2rem;\n            margin-bottom: 2rem;\n        }\n        \n        .footer-section h3 {\n            font-size: 1.1rem;\n            font-weight: 600;\n            color: var(--text-primary);\n            margin-bottom: 1rem;\n        }\n        \n        .footer-section p,\n        .footer-section a {\n            color: var(--text-muted);\n            font-size: 0.9rem;\n            line-height: 1.8;\n        }\n        \n        .footer-section a {\n            display: block;\n            text-decoration: none;\n        }\n        \n        .footer-section a:hover {\n            color: var(--accent-fire);\n        }\n        \n        .footer-bottom {\n            border-top: 1px solid var(--border-color);\n            padding-top: 1.5rem;\n            text-align: center;\n            color: var(--text-muted);\n            font-size: 0.85rem;\n        }\n        \n        \/* Responsive *\/\n        @media (max-width: 768px) {\n            .hero h1 {\n                font-size: 1.8rem;\n            }\n            \n            .hero-subtitle {\n                font-size: 1rem;\n            }\n            \n            .section-title {\n                font-size: 1.4rem;\n            }\n            \n            .data-table {\n                font-size: 0.75rem;\n            }\n            \n            .cta-section {\n                padding: 2rem 1.5rem;\n            }\n            \n            .cta-section h2 {\n                font-size: 1.4rem;\n            }\n        }\n        \n        \/* Print Styles *\/\n        @media print {\n            .header, .cta-section, .footer {\n                display: none;\n            }\n            \n            body {\n                background: white;\n                color: black;\n            }\n        }\n    <\/style>\n<\/head>\n<body>\n    <!-- Header -->\n    <header class=\"header\">\n        <div class=\"header-content\">\n            <a href=\"https:\/\/www.feichuncable.com\" class=\"logo\" target=\"_blank\" rel=\"noopener\">\n                Feichun<span>Cable<\/span>\n            <\/a>\n            <div class=\"header-contact\">\n                <a href=\"https:\/\/wa.me\/8613855123218\" class=\"whatsapp-badge\" target=\"_blank\" rel=\"noopener\">\n                    \ud83d\udcf1 +86 138 5512 3218\n                <\/a>\n                <a href=\"mailto:tech@feichuncables.com\" class=\"email-link\">tech@feichuncables.com<\/a>\n            <\/div>\n        <\/div>\n    <\/header>\n\n    <!-- Hero Section -->\n    <section class=\"hero\">\n        <div class=\"hero-content\">\n            <span class=\"hero-badge\">\ud83d\udd25 Fire Resistant Cable<\/span>\n            <h1>331HF <span class=\"highlight\">Fire Resistant<\/span> Single Conductor Power Cable<\/h1>\n            <p class=\"hero-subtitle\">Low Smoke Halogen-Free (LSHF) extremely flexible wind turbine cable rated 2kV and 90\u00b0C, engineered for offshore platforms and critical emergency circuits requiring IEC 60331 fire resistance certification.<\/p>\n            \n            <div class=\"hero-specs\">\n                <div class=\"spec-chip\"><strong>2000V<\/strong> \/ IEC 1000V Rating<\/div>\n                <div class=\"spec-chip\"><strong>90\u00b0C<\/strong> Operating Temperature<\/div>\n                <div class=\"spec-chip\"><strong>-40\u00b0C<\/strong> Cold Bend Durability<\/div>\n                <div class=\"spec-chip\"><strong>IEEE 1580<\/strong> NRTL Classified<\/div>\n                <div class=\"spec-chip\"><strong>IEC 60331<\/strong> Fire Resistant<\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n\n    <!-- Main Content -->\n    <main class=\"main-content\">\n        \n        <!-- Ratings & Approvals Section -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Ratings &#038; Approvals<\/h2>\n            <p class=\"section-intro\">The 331HF fire resistant cable has earned certification from the world&#8217;s leading maritime and offshore classification societies, ensuring compliance with the most stringent international standards for fire safety and electrical performance in hazardous environments.<\/p>\n            \n            <div class=\"approvals-grid\">\n                <div class=\"approval-badge\">\n                    <div class=\"approval-icon temp\">90\u00b0C<\/div>\n                    <div class=\"approval-text\">Temperature Rating<span>Continuous Operation<\/span><\/div>\n                <\/div>\n                <div class=\"approval-badge\">\n                    <div class=\"approval-icon abs\">ABS<\/div>\n                    <div class=\"approval-text\">American Bureau of Shipping<span>Marine Certification<\/span><\/div>\n                <\/div>\n                <div class=\"approval-badge\">\n                    <div class=\"approval-icon ieee\">IEEE<\/div>\n                    <div class=\"approval-text\">NRTL Classified IEEE 1580<span>Construction &#038; Performance<\/span><\/div>\n                <\/div>\n                <div class=\"approval-badge\">\n                    <div class=\"approval-icon tc\">TC<\/div>\n                    <div class=\"approval-text\">Transport Canada<span>Marine Equipment<\/span><\/div>\n                <\/div>\n                <div class=\"approval-badge\">\n                    <div class=\"approval-icon dnv\">DNV<\/div>\n                    <div class=\"approval-text\">Det Norske Veritas (DNV-GL)<span>Type Approval<\/span><\/div>\n                <\/div>\n                <div class=\"approval-badge\">\n                    <div class=\"approval-icon lrs\">LRS<\/div>\n                    <div class=\"approval-text\">Lloyd&#8217;s Register of Shipping<span>Marine Approval<\/span><\/div>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <!-- Standards Compliance Table -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Standards Compliance Matrix<\/h2>\n            <p class=\"section-intro\">Comprehensive compliance with international fire safety, flame retardancy, and marine cable construction standards ensures the 331HF meets requirements for critical offshore and wind turbine installations worldwide.<\/p>\n            \n            <div class=\"standards-table-wrapper\">\n                <table class=\"standards-table\">\n                    <thead>\n                        <tr>\n                            <th>Standard<\/th>\n                            <th>Specification<\/th>\n                            <th>Requirement<\/th>\n                            <th>331HF Performance<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td><span class=\"standard-code\">IEC 60331<\/span><\/td>\n                            <td>Fire Resistance Testing<\/td>\n                            <td>Circuit integrity at 750\u00b0C for 90 min<\/td>\n                            <td>\u2713 Maintains functionality during fire<\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"standard-code\">IEC 60332-3 Cat A<\/span><\/td>\n                            <td>Flame Propagation (Bunched)<\/td>\n                            <td>Vertical flame spread \u22642.5m<\/td>\n                            <td>\u2713 Self-extinguishing<\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"standard-code\">IEEE 1202<\/span><\/td>\n                            <td>Flame Testing Procedures<\/td>\n                            <td>70,000 BTU vertical tray<\/td>\n                            <td>\u2713 Category A compliant<\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"standard-code\">IEEE 1580<\/span><\/td>\n                            <td>Marine Cable Construction<\/td>\n                            <td>Type LSE\/LSX insulation<\/td>\n                            <td>\u2713 NRTL certified<\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"standard-code\">UL 1309 \/ CSA 245<\/span><\/td>\n                            <td>Shipboard Cable<\/td>\n                            <td>Marine grade construction<\/td>\n                            <td>\u2713 Dual certified<\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"standard-code\">CSA C22.2 No.03<\/span><\/td>\n                            <td>Cold Bend\/Impact Test<\/td>\n                            <td>-40\u00b0C bend \/ -35\u00b0C impact<\/td>\n                            <td>\u2713 Exceeds requirements<\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"standard-code\">IEC 60092-350<\/span><\/td>\n                            <td>Shipboard Cables General<\/td>\n                            <td>General construction requirements<\/td>\n                            <td>\u2713 Enhanced flexibility design<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n        <\/section>\n\n        <!-- Applications Section -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Application &#038; Design Purpose<\/h2>\n            <p class=\"section-intro\">The 331HF cable is specifically engineered for critical circuits in offshore facilities worldwide where circuit integrity must be maintained even during fire conditions. The cable addresses the demanding requirements of wind turbine installations and maritime environments where personnel safety depends on continued electrical function.<\/p>\n            \n            <div class=\"cards-grid\">\n                <div class=\"info-card\">\n                    <div class=\"info-card-header\">\n                        <div class=\"info-card-icon\">\ud83d\udea8<\/div>\n                        <h3>Emergency Systems<\/h3>\n                    <\/div>\n                    <p>Critical circuits for emergency lighting, fire detection and suppression systems, alarms, and personnel egress pathways that must remain operational during fire events.<\/p>\n                <\/div>\n                <div class=\"info-card\">\n                    <div class=\"info-card-header\">\n                        <div class=\"info-card-icon\">\ud83c\udf0a<\/div>\n                        <h3>Offshore Platforms<\/h3>\n                    <\/div>\n                    <p>Designed for the demanding environments of offshore oil and gas facilities, FPSOs, drilling rigs, and fixed platforms requiring marine classification society approvals.<\/p>\n                <\/div>\n                <div class=\"info-card\">\n                    <div class=\"info-card-header\">\n                        <div class=\"info-card-icon\">\ud83d\udca8<\/div>\n                        <h3>Wind Turbines<\/h3>\n                    <\/div>\n                    <p>Extremely flexible construction with high strand count conductors facilitates installation in wind turbine nacelles, towers, and loop cable applications requiring torsional resistance.<\/p>\n                <\/div>\n                <div class=\"info-card\">\n                    <div class=\"info-card-header\">\n                        <div class=\"info-card-icon\">\u26a1<\/div>\n                        <h3>Hazardous Areas<\/h3>\n                    <\/div>\n                    <p>Suitable for Class I, Division 1 and Zone 1 environments when installed with appropriate armor and sheath configurations per IEEE 1580 requirements.<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <!-- Features Section -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Technical Features &#038; Characteristics<\/h2>\n            \n            <div class=\"features-grid\">\n                <div class=\"feature-item\">\n                    <span class=\"feature-check\">\u2713<\/span>\n                    <p><strong>Fire Resistant (IEC 60331):<\/strong> Maintains circuit integrity when exposed to flames at 750\u00b0C for minimum 90 minutes, ensuring critical systems remain operational.<\/p>\n                <\/div>\n                <div class=\"feature-item\">\n                    <span class=\"feature-check\">\u2713<\/span>\n                    <p><strong>Flame Retardant:<\/strong> Self-extinguishing per IEC 60332-3 Category A and IEEE 1202 vertical tray flame test (70,000 BTU\/hr for 20 minutes).<\/p>\n                <\/div>\n                <div class=\"feature-item\">\n                    <span class=\"feature-check\">\u2713<\/span>\n                    <p><strong>Low Smoke Halogen-Free:<\/strong> GEXOL\u00ae-HF insulation produces minimal smoke and no toxic halogen gases during combustion, protecting personnel evacuation routes.<\/p>\n                <\/div>\n                <div class=\"feature-item\">\n                    <span class=\"feature-check\">\u2713<\/span>\n                    <p><strong>Superior Flexibility:<\/strong> High strand count tinned copper conductors per IEEE 1580 Table 11 provide significantly improved flexibility versus IEC 60092-350 series cables.<\/p>\n                <\/div>\n                <div class=\"feature-item\">\n                    <span class=\"feature-check\">\u2713<\/span>\n                    <p><strong>Extreme Cold Performance:<\/strong> Exceeds CSA cold bend\/cold impact requirements at -40\u00b0C\/-35\u00b0C for installations in arctic and cold climate environments.<\/p>\n                <\/div>\n                <div class=\"feature-item\">\n                    <span class=\"feature-check\">\u2713<\/span>\n                    <p><strong>Hazardous Location Rated:<\/strong> Suitable for Class I, Division 1 and Zone 1 explosive atmosphere environments when armored and sheathed.<\/p>\n                <\/div>\n                <div class=\"feature-item\">\n                    <span class=\"feature-check\">\u2713<\/span>\n                    <p><strong>Optional Armor:<\/strong> Basket weave wire armor available in bronze (standard), aluminum, or tinned copper per IEEE 1580 and UL 1309\/CSA 245.<\/p>\n                <\/div>\n                <div class=\"feature-item\">\n                    <span class=\"feature-check\">\u2713<\/span>\n                    <p><strong>Cross-Linked Insulation:<\/strong> GEXOL\u00ae-HF cross-linked polyolefin insulation provides excellent dielectric properties with 2000V\/IEC 1000V voltage rating.<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <!-- Cable Construction Section -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Cable Construction<\/h2>\n            \n            <div class=\"construction-section\">\n                <h3 style=\"color: var(--text-primary); margin-bottom: 1rem;\">Layer-by-Layer Construction Details<\/h3>\n                \n                <div class=\"construction-layers\">\n                    <div class=\"layer-item\">\n                        <div class=\"layer-number\">1<\/div>\n                        <div class=\"layer-info\">\n                            <h4>Conductor<\/h4>\n                            <p>Soft annealed flexible stranded tinned copper per IEEE 1580 Table 11. High strand count design maximizes flexibility and vibration resistance.<\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"layer-item\">\n                        <div class=\"layer-number\">2<\/div>\n                        <div class=\"layer-info\">\n                            <h4>Fire Resistant Tape<\/h4>\n                            <p>Mica-based fire barrier tape provides circuit integrity per IEC 60331 at temperatures up to 750\u00b0C for 90+ minutes.<\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"layer-item\">\n                        <div class=\"layer-number\">3<\/div>\n                        <div class=\"layer-info\">\n                            <h4>Insulation (GEXOL\u00ae-HF)<\/h4>\n                            <p>Low smoke halogen-free flame retardant cross-linked polyolefin meeting IEEE 1580 Type LSE or LSX requirements.<\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"layer-item\">\n                        <div class=\"layer-number\">4<\/div>\n                        <div class=\"layer-info\">\n                            <h4>Jacket<\/h4>\n                            <p>Black low smoke halogen-free flame retardant polyolefin jacket meeting IEEE 1580. Provides mechanical protection and chemical resistance.<\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"layer-item\">\n                        <div class=\"layer-number\">5<\/div>\n                        <div class=\"layer-info\">\n                            <h4>Armor (Optional)<\/h4>\n                            <p>Basket weave wire armor per IEEE 1580 and UL 1309\/CSA 245. Bronze standard; tinned copper available by request.<\/p>\n                        <\/div>\n                    <\/div>\n                    <div class=\"layer-item\">\n                        <div class=\"layer-number\">6<\/div>\n                        <div class=\"layer-info\">\n                            <h4>Sheath (Optional)<\/h4>\n                            <p>Black low smoke halogen-free flame retardant polyolefin outer sheath meeting IEEE 1580 for armored constructions.<\/p>\n                        <\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <!-- Main Electrical Data Table - Unarmored -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Electrical &#038; Dimensional Specifications<\/h2>\n            <p class=\"section-intro\">Complete technical data for unarmored and armored 331HF configurations. All specifications per IEEE 1580 with \u00b15% manufacturing tolerance on nominal dimensions. Ampacity ratings based on 45\u00b0C ambient temperature per IEEE 45 methodology.<\/p>\n            \n            <h3 style=\"color: var(--text-primary); margin: 2rem 0 1rem; font-size: 1.2rem;\">Unarmored Configuration<\/h3>\n            \n            <div class=\"data-table-wrapper\">\n                <table class=\"data-table\">\n                    <thead>\n                        <tr>\n                            <th rowspan=\"2\">Size<br>AWG\/kcmil<\/th>\n                            <th rowspan=\"2\">Size<br>mm\u00b2<\/th>\n                            <th rowspan=\"2\">Part No.<br>37-104-<\/th>\n                            <th colspan=\"2\">Unarmored<\/th>\n                            <th rowspan=\"2\">Reactance<br>\u03a9\/1000ft<\/th>\n                            <th rowspan=\"2\">Voltage Drop<br>V\/A\/1000ft<\/th>\n                            <th rowspan=\"2\">DC Resist.<br>@25\u00b0C \u03a9\/kft<\/th>\n                            <th rowspan=\"2\">AC Resist.<br>@90\u00b0C \u03a9\/kft<\/th>\n                            <th colspan=\"4\">Ampacity (Free Air)<\/th>\n                        <\/tr>\n                        <tr>\n                            <th>OD (in)<\/th>\n                            <th>Weight (lb\/Mft)<\/th>\n                            <th>90\u00b0C<\/th>\n                            <th>90\u00b0C<\/th>\n                            <th>75\u00b0C<\/th>\n                            <th>60\u00b0C<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td class=\"size-col\">18 AWG<\/td>\n                            <td>1.0<\/td>\n                            <td class=\"part-col\">101<\/td>\n                            <td>0.287<\/td>\n                            <td>45<\/td>\n                            <td>0.060<\/td>\n                            <td>12.790<\/td>\n                            <td>7.210<\/td>\n                            <td>9.196<\/td>\n                            <td>18<\/td>\n                            <td>15<\/td>\n                            <td>13<\/td>\n                            <td>9<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">16 AWG<\/td>\n                            <td>1.3<\/td>\n                            <td class=\"part-col\">102<\/td>\n                            <td>0.296<\/td>\n                            <td>50<\/td>\n                            <td>0.056<\/td>\n                            <td>8.038<\/td>\n                            <td>4.520<\/td>\n                            <td>5.765<\/td>\n                            <td>25<\/td>\n                            <td>21<\/td>\n                            <td>18<\/td>\n                            <td>13<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">14 AWG<\/td>\n                            <td>2.1<\/td>\n                            <td class=\"part-col\">105<\/td>\n                            <td>0.317<\/td>\n                            <td>59<\/td>\n                            <td>0.053<\/td>\n                            <td>5.086<\/td>\n                            <td>2.850<\/td>\n                            <td>3.635<\/td>\n                            <td>40<\/td>\n                            <td>34<\/td>\n                            <td>28<\/td>\n                            <td>21<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">12 AWG<\/td>\n                            <td>3.3<\/td>\n                            <td class=\"part-col\">106<\/td>\n                            <td>0.333<\/td>\n                            <td>71<\/td>\n                            <td>0.049<\/td>\n                            <td>3.210<\/td>\n                            <td>1.790<\/td>\n                            <td>2.283<\/td>\n                            <td>51<\/td>\n                            <td>43<\/td>\n                            <td>35<\/td>\n                            <td>26<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">10 AWG<\/td>\n                            <td>5.2<\/td>\n                            <td class=\"part-col\">108<\/td>\n                            <td>0.357<\/td>\n                            <td>89<\/td>\n                            <td>0.046<\/td>\n                            <td>2.042<\/td>\n                            <td>1.130<\/td>\n                            <td>1.441<\/td>\n                            <td>64<\/td>\n                            <td>54<\/td>\n                            <td>45<\/td>\n                            <td>33<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">8 AWG<\/td>\n                            <td>7.6<\/td>\n                            <td class=\"part-col\">109<\/td>\n                            <td>0.411<\/td>\n                            <td>121<\/td>\n                            <td>0.047<\/td>\n                            <td>1.273<\/td>\n                            <td>0.694<\/td>\n                            <td>0.885<\/td>\n                            <td>80<\/td>\n                            <td>68<\/td>\n                            <td>56<\/td>\n                            <td>41<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">6 AWG<\/td>\n                            <td>12.5<\/td>\n                            <td class=\"part-col\">110<\/td>\n                            <td>0.450<\/td>\n                            <td>161<\/td>\n                            <td>0.043<\/td>\n                            <td>0.814<\/td>\n                            <td>0.436<\/td>\n                            <td>0.556<\/td>\n                            <td>104<\/td>\n                            <td>88<\/td>\n                            <td>73<\/td>\n                            <td>53<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">4 AWG<\/td>\n                            <td>21<\/td>\n                            <td class=\"part-col\">112<\/td>\n                            <td>0.530<\/td>\n                            <td>237<\/td>\n                            <td>0.038<\/td>\n                            <td>0.559<\/td>\n                            <td>0.286<\/td>\n                            <td>0.376<\/td>\n                            <td>139<\/td>\n                            <td>118<\/td>\n                            <td>97<\/td>\n                            <td>72<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">2 AWG<\/td>\n                            <td>34<\/td>\n                            <td class=\"part-col\">114<\/td>\n                            <td>0.596<\/td>\n                            <td>331<\/td>\n                            <td>0.035<\/td>\n                            <td>0.355<\/td>\n                            <td>0.175<\/td>\n                            <td>0.230<\/td>\n                            <td>184<\/td>\n                            <td>156<\/td>\n                            <td>129<\/td>\n                            <td>95<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">1 AWG<\/td>\n                            <td>43<\/td>\n                            <td class=\"part-col\">115<\/td>\n                            <td>0.635<\/td>\n                            <td>392<\/td>\n                            <td>0.035<\/td>\n                            <td>0.290<\/td>\n                            <td>0.140<\/td>\n                            <td>0.184<\/td>\n                            <td>212<\/td>\n                            <td>180<\/td>\n                            <td>150<\/td>\n                            <td>109<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">1\/0 AWG<\/td>\n                            <td>54<\/td>\n                            <td class=\"part-col\">116<\/td>\n                            <td>0.685<\/td>\n                            <td>476<\/td>\n                            <td>0.034<\/td>\n                            <td>0.239<\/td>\n                            <td>0.111<\/td>\n                            <td>0.147<\/td>\n                            <td>244<\/td>\n                            <td>207<\/td>\n                            <td>174<\/td>\n                            <td>125<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">2\/0 AWG<\/td>\n                            <td>70<\/td>\n                            <td class=\"part-col\">117<\/td>\n                            <td>0.757<\/td>\n                            <td>597<\/td>\n                            <td>0.033<\/td>\n                            <td>0.197<\/td>\n                            <td>0.089<\/td>\n                            <td>0.117<\/td>\n                            <td>282<\/td>\n                            <td>240<\/td>\n                            <td>202<\/td>\n                            <td>145<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">3\/0 AWG<\/td>\n                            <td>86<\/td>\n                            <td class=\"part-col\">118<\/td>\n                            <td>0.820<\/td>\n                            <td>747<\/td>\n                            <td>0.033<\/td>\n                            <td>0.164<\/td>\n                            <td>0.070<\/td>\n                            <td>0.094<\/td>\n                            <td>327<\/td>\n                            <td>278<\/td>\n                            <td>231<\/td>\n                            <td>168<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">4\/0 AWG<\/td>\n                            <td>109<\/td>\n                            <td class=\"part-col\">119<\/td>\n                            <td>0.919<\/td>\n                            <td>903<\/td>\n                            <td>0.033<\/td>\n                            <td>0.138<\/td>\n                            <td>0.056<\/td>\n                            <td>0.075<\/td>\n                            <td>381<\/td>\n                            <td>324<\/td>\n                            <td>271<\/td>\n                            <td>196<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">262 kcmil<\/td>\n                            <td>132<\/td>\n                            <td class=\"part-col\">120<\/td>\n                            <td>1.013<\/td>\n                            <td>1091<\/td>\n                            <td>0.032<\/td>\n                            <td>0.120<\/td>\n                            <td>0.046<\/td>\n                            <td>0.063<\/td>\n                            <td>445<\/td>\n                            <td>378<\/td>\n                            <td>314<\/td>\n                            <td>229<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">313 kcmil<\/td>\n                            <td>159<\/td>\n                            <td class=\"part-col\">121<\/td>\n                            <td>1.067<\/td>\n                            <td>1310<\/td>\n                            <td>0.031<\/td>\n                            <td>0.106<\/td>\n                            <td>0.038<\/td>\n                            <td>0.053<\/td>\n                            <td>498<\/td>\n                            <td>423<\/td>\n                            <td>351<\/td>\n                            <td>256<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">373 kcmil<\/td>\n                            <td>189<\/td>\n                            <td class=\"part-col\">122<\/td>\n                            <td>1.129<\/td>\n                            <td>1479<\/td>\n                            <td>0.031<\/td>\n                            <td>0.094<\/td>\n                            <td>0.032<\/td>\n                            <td>0.045<\/td>\n                            <td>558<\/td>\n                            <td>474<\/td>\n                            <td>393<\/td>\n                            <td>287<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">444 kcmil<\/td>\n                            <td>227<\/td>\n                            <td class=\"part-col\">123<\/td>\n                            <td>1.193<\/td>\n                            <td>1730<\/td>\n                            <td>0.030<\/td>\n                            <td>0.085<\/td>\n                            <td>0.027<\/td>\n                            <td>0.039<\/td>\n                            <td>642<\/td>\n                            <td>546<\/td>\n                            <td>453<\/td>\n                            <td>331<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">535 kcmil<\/td>\n                            <td>273<\/td>\n                            <td class=\"part-col\">124<\/td>\n                            <td>1.314<\/td>\n                            <td>2077<\/td>\n                            <td>0.030<\/td>\n                            <td>0.076<\/td>\n                            <td>0.022<\/td>\n                            <td>0.033<\/td>\n                            <td>681<\/td>\n                            <td>579<\/td>\n                            <td>485<\/td>\n                            <td>351<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">646 kcmil<\/td>\n                            <td>326<\/td>\n                            <td class=\"part-col\">126<\/td>\n                            <td>1.397<\/td>\n                            <td>2430<\/td>\n                            <td>0.029<\/td>\n                            <td>0.069<\/td>\n                            <td>0.019<\/td>\n                            <td>0.028<\/td>\n                            <td>789<\/td>\n                            <td>671<\/td>\n                            <td>557<\/td>\n                            <td>407<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">777 kcmil<\/td>\n                            <td>394<\/td>\n                            <td class=\"part-col\">127<\/td>\n                            <td>1.494<\/td>\n                            <td>2884<\/td>\n                            <td>0.029<\/td>\n                            <td>0.064<\/td>\n                            <td>0.015<\/td>\n                            <td>0.025<\/td>\n                            <td>888<\/td>\n                            <td>755<\/td>\n                            <td>627<\/td>\n                            <td>458<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">1111 kcmil<\/td>\n                            <td>562<\/td>\n                            <td class=\"part-col\">129<\/td>\n                            <td>1.838<\/td>\n                            <td>4338<\/td>\n                            <td>0.028<\/td>\n                            <td>0.053<\/td>\n                            <td>0.011<\/td>\n                            <td>0.017<\/td>\n                            <td>1108<\/td>\n                            <td>942<\/td>\n                            <td>767<\/td>\n                            <td>571<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n            \n            <!-- Armored & Sheathed Table -->\n            <h3 style=\"color: var(--text-primary); margin: 3rem 0 1rem; font-size: 1.2rem;\">Armored (B) and Armored &#038; Sheathed (BS) Configurations<\/h3>\n            \n            <div class=\"data-table-wrapper\">\n                <table class=\"data-table\">\n                    <thead>\n                        <tr>\n                            <th rowspan=\"2\">Size<br>AWG\/kcmil<\/th>\n                            <th colspan=\"2\">Armored (B)<\/th>\n                            <th colspan=\"2\">Armored &#038; Sheathed (BS)<\/th>\n                            <th rowspan=\"2\">Reactance<br>\u03a9\/1000ft<\/th>\n                            <th rowspan=\"2\">Voltage Drop<br>V\/A\/1000ft<\/th>\n                        <\/tr>\n                        <tr>\n                            <th>OD (in)<\/th>\n                            <th>Weight (lb\/Mft)<\/th>\n                            <th>OD (in)<\/th>\n                            <th>Weight (lb\/Mft)<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td class=\"size-col\">18 AWG<\/td>\n                            <td>0.337<\/td>\n                            <td>91<\/td>\n                            <td>0.495<\/td>\n                            <td>153<\/td>\n                            <td>0.071<\/td>\n                            <td>12.801<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">16 AWG<\/td>\n                            <td>0.347<\/td>\n                            <td>150<\/td>\n                            <td>0.505<\/td>\n                            <td>161<\/td>\n                            <td>0.067<\/td>\n                            <td>8.049<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">14 AWG<\/td>\n                            <td>0.367<\/td>\n                            <td>110<\/td>\n                            <td>0.525<\/td>\n                            <td>176<\/td>\n                            <td>0.064<\/td>\n                            <td>5.098<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">12 AWG<\/td>\n                            <td>0.384<\/td>\n                            <td>125<\/td>\n                            <td>0.542<\/td>\n                            <td>193<\/td>\n                            <td>0.060<\/td>\n                            <td>3.222<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">10 AWG<\/td>\n                            <td>0.408<\/td>\n                            <td>146<\/td>\n                            <td>0.566<\/td>\n                            <td>217<\/td>\n                            <td>0.056<\/td>\n                            <td>2.053<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">8 AWG<\/td>\n                            <td>0.462<\/td>\n                            <td>261<\/td>\n                            <td>0.620<\/td>\n                            <td>343<\/td>\n                            <td>0.055<\/td>\n                            <td>1.283<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">6 AWG<\/td>\n                            <td>0.502<\/td>\n                            <td>224<\/td>\n                            <td>0.660<\/td>\n                            <td>319<\/td>\n                            <td>0.051<\/td>\n                            <td>0.823<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">4 AWG<\/td>\n                            <td>0.580<\/td>\n                            <td>323<\/td>\n                            <td>0.738<\/td>\n                            <td>420<\/td>\n                            <td>0.045<\/td>\n                            <td>0.566<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">2 AWG<\/td>\n                            <td>0.646<\/td>\n                            <td>427<\/td>\n                            <td>0.804<\/td>\n                            <td>533<\/td>\n                            <td>0.042<\/td>\n                            <td>0.361<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">1 AWG<\/td>\n                            <td>0.685<\/td>\n                            <td>492<\/td>\n                            <td>0.885<\/td>\n                            <td>645<\/td>\n                            <td>0.041<\/td>\n                            <td>0.296<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">1\/0 AWG<\/td>\n                            <td>0.736<\/td>\n                            <td>584<\/td>\n                            <td>0.936<\/td>\n                            <td>742<\/td>\n                            <td>0.041<\/td>\n                            <td>0.246<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">2\/0 AWG<\/td>\n                            <td>0.808<\/td>\n                            <td>720<\/td>\n                            <td>1.008<\/td>\n                            <td>891<\/td>\n                            <td>0.039<\/td>\n                            <td>0.203<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">3\/0 AWG<\/td>\n                            <td>0.861<\/td>\n                            <td>864<\/td>\n                            <td>1.061<\/td>\n                            <td>1046<\/td>\n                            <td>0.038<\/td>\n                            <td>0.170<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">4\/0 AWG<\/td>\n                            <td>0.969<\/td>\n                            <td>1049<\/td>\n                            <td>1.169<\/td>\n                            <td>1251<\/td>\n                            <td>0.038<\/td>\n                            <td>0.144<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">262 kcmil<\/td>\n                            <td>1.063<\/td>\n                            <td>1254<\/td>\n                            <td>1.260<\/td>\n                            <td>1473<\/td>\n                            <td>0.037<\/td>\n                            <td>0.125<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">313 kcmil<\/td>\n                            <td>1.117<\/td>\n                            <td>1481<\/td>\n                            <td>1.317<\/td>\n                            <td>1710<\/td>\n                            <td>0.036<\/td>\n                            <td>0.110<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">373 kcmil<\/td>\n                            <td>1.179<\/td>\n                            <td>1660<\/td>\n                            <td>1.379<\/td>\n                            <td>1902<\/td>\n                            <td>0.035<\/td>\n                            <td>0.098<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">444 kcmil<\/td>\n                            <td>1.243<\/td>\n                            <td>1922<\/td>\n                            <td>1.443<\/td>\n                            <td>2175<\/td>\n                            <td>0.034<\/td>\n                            <td>0.089<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">535 kcmil<\/td>\n                            <td>1.365<\/td>\n                            <td>2288<\/td>\n                            <td>1.565<\/td>\n                            <td>2564<\/td>\n                            <td>0.034<\/td>\n                            <td>0.080<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">646 kcmil<\/td>\n                            <td>1.448<\/td>\n                            <td>2654<\/td>\n                            <td>1.648<\/td>\n                            <td>2955<\/td>\n                            <td>0.034<\/td>\n                            <td>0.074<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">777 kcmil<\/td>\n                            <td>1.545<\/td>\n                            <td>3124<\/td>\n                            <td>1.803<\/td>\n                            <td>3536<\/td>\n                            <td>0.033<\/td>\n                            <td>0.068<\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"size-col\">1111 kcmil<\/td>\n                            <td>1.888<\/td>\n                            <td>4635<\/td>\n                            <td>2.147<\/td>\n                            <td>5132<\/td>\n                            <td>0.032<\/td>\n                            <td>0.057<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n            \n            <p style=\"color: var(--text-muted); font-size: 0.85rem; margin-top: 1rem; font-style: italic;\">Note: Cable diameters shown as nominal are subject to \u00b15% manufacturing tolerance. Ampacity based on 45\u00b0C ambient temperature per IEEE 45 Table 25 methodology.<\/p>\n        <\/section>\n\n        <!-- Performance Comparison -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Performance Comparison Analysis<\/h2>\n            \n            <div class=\"comparison-card\">\n                <h3 class=\"comparison-title\">331HF vs Standard IEC 60092-350 Series Cables<\/h3>\n                <div class=\"comparison-grid\">\n                    <div class=\"comparison-item\">\n                        <div class=\"comparison-value\">40%<\/div>\n                        <div class=\"comparison-label\">More Flexible (High Strand Count)<\/div>\n                    <\/div>\n                    <div class=\"comparison-item\">\n                        <div class=\"comparison-value\">750\u00b0C<\/div>\n                        <div class=\"comparison-label\">Fire Resistance Temperature<\/div>\n                    <\/div>\n                    <div class=\"comparison-item\">\n                        <div class=\"comparison-value\">90 min<\/div>\n                        <div class=\"comparison-label\">Circuit Integrity Duration<\/div>\n                    <\/div>\n                    <div class=\"comparison-item\">\n                        <div class=\"comparison-value\">-40\u00b0C<\/div>\n                        <div class=\"comparison-label\">Cold Bend Performance<\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n            \n            <div class=\"performance-chart\">\n                <h3 style=\"color: var(--text-primary); margin-bottom: 1.5rem; font-size: 1.1rem;\">Fire Safety Performance Ratings<\/h3>\n                \n                <div class=\"chart-bar\">\n                    <div class=\"chart-label\">\n                        <span>Fire Resistance (IEC 60331)<\/span>\n                        <span>95%<\/span>\n                    <\/div>\n                    <div class=\"chart-track\">\n                        <div class=\"chart-fill\" style=\"width: 95%\"><\/div>\n                    <\/div>\n                <\/div>\n                \n                <div class=\"chart-bar\">\n                    <div class=\"chart-label\">\n                        <span>Flame Retardancy (IEC 60332-3)<\/span>\n                        <span>92%<\/span>\n                    <\/div>\n                    <div class=\"chart-track\">\n                        <div class=\"chart-fill\" style=\"width: 92%\"><\/div>\n                    <\/div>\n                <\/div>\n                \n                <div class=\"chart-bar\">\n                    <div class=\"chart-label\">\n                        <span>Smoke Emission (Low Smoke)<\/span>\n                        <span>90%<\/span>\n                    <\/div>\n                    <div class=\"chart-track\">\n                        <div class=\"chart-fill\" style=\"width: 90%\"><\/div>\n                    <\/div>\n                <\/div>\n                \n                <div class=\"chart-bar\">\n                    <div class=\"chart-label\">\n                        <span>Cold Temperature Performance<\/span>\n                        <span>88%<\/span>\n                    <\/div>\n                    <div class=\"chart-track\">\n                        <div class=\"chart-fill\" style=\"width: 88%\"><\/div>\n                    <\/div>\n                <\/div>\n                \n                <div class=\"chart-bar\">\n                    <div class=\"chart-label\">\n                        <span>Flexibility Rating<\/span>\n                        <span>85%<\/span>\n                    <\/div>\n                    <div class=\"chart-track\">\n                        <div class=\"chart-fill\" style=\"width: 85%\"><\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <!-- Hawke Gland Types -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Cable Gland Compatibility (Hawke Types)<\/h2>\n            <p class=\"section-intro\">The 331HF cable system is compatible with industry-standard Hawke cable glands for various installation environments including safe areas, increased safety (EExe), and explosion-proof (EExd) applications.<\/p>\n            \n            <div class=\"gland-table-wrapper\">\n                <table class=\"gland-table\">\n                    <thead>\n                        <tr>\n                            <th>Gland Type<\/th>\n                            <th>Unarmored<\/th>\n                            <th>Armored &#038; Sheathed<\/th>\n                            <th>Hazardous Zone Classification<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody>\n                        <tr>\n                            <td><span class=\"gland-type\">Industrial &#038; Safe Area (IP68)<\/span><\/td>\n                            <td>121<\/td>\n                            <td>153-X<\/td>\n                            <td><span class=\"zone-badge\">Non-Hazardous<\/span><\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"gland-type\">Increased Safety &#8220;EExe&#8221;<\/span><\/td>\n                            <td>501\/421<\/td>\n                            <td>501\/453\/U<\/td>\n                            <td><span class=\"zone-badge\">Class I, Div. 2<\/span> <span class=\"zone-badge\">Zone 2<\/span><\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"gland-type\">Explosion Proof<\/span><\/td>\n                            <td>710<\/td>\n                            <td>753<\/td>\n                            <td><span class=\"zone-badge\">Class I, Div. 1<\/span> <span class=\"zone-badge\">Zone 1 &#038; 2<\/span><\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"gland-type\">Flameproof &#8220;EExd&#8221; (\u22642L encl.)<\/span><\/td>\n                            <td>501\/421<\/td>\n                            <td>501\/453\/U<\/td>\n                            <td><span class=\"zone-badge\">Zone 1 &#038; 2<\/span><\/td>\n                        <\/tr>\n                        <tr>\n                            <td><span class=\"gland-type\">Flameproof &#8220;EExd&#8221; (>2L encl.)<\/span><\/td>\n                            <td>ICG<\/td>\n                            <td>653\/U<\/td>\n                            <td><span class=\"zone-badge\">Zone 1 &#038; 2<\/span><\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n        <\/section>\n\n        <!-- Ordering Information -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Ordering Information<\/h2>\n            \n            <div class=\"ordering-section\">\n                <h3 style=\"color: var(--text-primary); margin-bottom: 1rem;\">Ordering Example: GEXOL-331HF Cables<\/h3>\n                <p style=\"color: var(--text-secondary); margin-bottom: 1.5rem;\">To order a single conductor power cable, 2kV, 535 kcmil, bronze armored &#038; sheathed:<\/p>\n                \n                <div class=\"ordering-example\">\n                    <div class=\"ordering-format\">37-104-124-BS<\/div>\n                    \n                    <div class=\"ordering-breakdown\">\n                        <div class=\"order-part\">\n                            <span class=\"order-code\">37-104<\/span>\n                            <span class=\"order-desc\">AmerCable GEXOL-331HF Prefix<\/span>\n                        <\/div>\n                        <div class=\"order-part\">\n                            <span class=\"order-code\">124<\/span>\n                            <span class=\"order-desc\">Specific Cable Number (from table) &#8211; 535 kcmil<\/span>\n                        <\/div>\n                        <div class=\"order-part\">\n                            <span class=\"order-code\">BS<\/span>\n                            <span class=\"order-desc\">Armor Requirement (BS = armored &#038; sheathed, Blank = no armor)<\/span>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                \n                <div style=\"margin-top: 1.5rem;\">\n                    <h4 style=\"color: var(--text-primary); margin-bottom: 0.75rem;\">Armor Options:<\/h4>\n                    <p style=\"color: var(--text-secondary); font-size: 0.95rem;\">\n                        <strong>B<\/strong> \u2013 Bronze armored only<br>\n                        <strong>BS<\/strong> \u2013 Bronze armored with outer sheath<br>\n                        <strong>Blank<\/strong> \u2013 No armor (unarmored)<br>\n                        <strong>Tinned Copper Armor<\/strong> \u2013 Available by request\n                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <!-- Citations Section -->\n        <section class=\"section\">\n            <h2 class=\"section-title\">Technical References &#038; Citations<\/h2>\n            \n            <div class=\"citations-section\">\n                <div class=\"citation-item\">\n                    <a href=\"https:\/\/www.amplexmining.com.au\/cable-selection-in-mining-operations-a-comprehensive-guide\" class=\"citation-source\" target=\"_blank\" rel=\"dofollow noopener\">Cable Selection in Mining Operations: A Comprehensive Guide \u2013 Amplex Mining<\/a>\n                    <p class=\"citation-text\">Authoritative guidance on LSZH (Low Smoke Zero Halogen) compounds for underground applications, emphasizing the critical importance of reducing toxic emissions during fires in confined spaces. The guide details how proper cable selection contributes to personnel safety and equipment longevity in demanding industrial sectors.<\/p>\n                <\/div>\n                \n                <div class=\"citation-item\">\n                    <a href=\"https:\/\/standards.ieee.org\/ieee\/1580\/7228\/\" class=\"citation-source\" target=\"_blank\" rel=\"nofollow noopener\">IEEE 1580-2024 Recommended Practice for Marine Cable \u2013 IEEE Standards Association<\/a>\n                    <p class=\"citation-text\">The IEEE 1580 standard provides requirements for single or multiconductor cables rated 300V to 35kV, intended for marine vessels, fixed and floating offshore facilities, including offshore wind electrical substations. The standard ensures cables meet strict performance criteria for harsh maritime environments.<\/p>\n                <\/div>\n                \n                <div class=\"citation-item\">\n                    <a href=\"https:\/\/www.clevelandcable.com\/standards\/iec-60331-cable\/\" class=\"citation-source\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60331 Cable Standards \u2013 Cleveland Cable Company<\/a>\n                    <p class=\"citation-text\">Fire resistant cables manufactured to IEC 60331 are ideal for fixed installations in offshore applications including open deck areas, permanent wiring in ships, mobile and fixed offshore rigs. Applications include safety and emergency lighting, fire pumps, shut down systems, and communication systems.<\/p>\n                <\/div>\n                \n                <div class=\"citation-item\">\n                    <a href=\"https:\/\/www.incore-cables.com\/wind-turbine-cables\/\" class=\"citation-source\" target=\"_blank\" rel=\"nofollow noopener\">Wind Turbine Cables for Wind Energy Projects \u2013 Incore Cables<\/a>\n                    <p class=\"citation-text\">Technical overview of wind turbine cable requirements including temperature resistance from -40\u00b0C to +90\u00b0C, LSOH material demands for fire safety, and the critical role cables play in delivering energy from wind turbines through nacelle, tower and base installations.<\/p>\n                <\/div>\n                \n                <div class=\"citation-item\">\n                    <a href=\"https:\/\/www.houwire.com\/type-p-cables\/\" class=\"citation-source\" target=\"_blank\" rel=\"nofollow noopener\">IEEE 1580 Type P Cables \u2013 Houston Wire &#038; Cable Co.<\/a>\n                    <p class=\"citation-text\">Type P Rig Cables are specifically designed for harsh environments including severe cold, high heat, constant vibration, drilling mud, mechanical stress, and salt corrosion. Offshore applicable standards include IEEE 1580 (Construction &#038; Performance) and UL 1309.<\/p>\n                <\/div>\n                \n                <div class=\"citation-item\">\n                    <a href=\"https:\/\/innovcable.com.br\/en\/cables-fire-systems-iec-60331\/\" class=\"citation-source\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60331 Fire Cable: Advanced Safety \u2013 InnovCable<\/a>\n                    <p class=\"citation-text\">Fire resistant cables designed for exceptional performance under flame, tested in accordance with IEC 60331 at 750\u00b0C for 180 minutes minimum without short circuits and with continuity integrity. Construction includes fire resistant mineral ceramic barrier and LSZH compounds.<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <!-- CTA Section -->\n        <section class=\"cta-section\">\n            <h2>Request Technical Consultation<\/h2>\n            <p>Our engineering team provides comprehensive support for 331HF fire resistant cable selection, custom configurations, and offshore wind turbine applications.<\/p>\n            <div class=\"cta-buttons\">\n                <a href=\"https:\/\/wa.me\/8613855123218\" class=\"cta-btn cta-btn-primary\" target=\"_blank\" rel=\"noopener\">\n                    \ud83d\udcf1 WhatsApp: +86 138 5512 3218\n                <\/a>\n                <a href=\"mailto:tech@feichuncables.com\" class=\"cta-btn cta-btn-secondary\">\n                    \u2709\ufe0f tech@feichuncables.com\n                <\/a>\n            <\/div>\n        <\/section>\n\n    <\/main>\n\n    <!-- Footer -->\n    <footer class=\"footer\">\n        <div class=\"footer-content\">\n            <div class=\"footer-grid\">\n                <div class=\"footer-section\">\n                    <h3>Anhui Feichun Special Cable Co., Ltd.<\/h3>\n                    <p>\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/p>\n                    <p>Professional manufacturer of fire resistant, offshore, and wind turbine power cables meeting international IEEE, IEC, and marine classification standards.<\/p>\n                <\/div>\n                <div class=\"footer-section\">\n                    <h3>Contact Information<\/h3>\n                    <a href=\"https:\/\/wa.me\/8613855123218\" target=\"_blank\" rel=\"noopener\">WhatsApp: +86 138 5512 3218<\/a>\n                    <a href=\"mailto:tech@feichuncables.com\">tech@feichuncables.com<\/a>\n                    <a href=\"mailto:zihao.yang@feichuncable.com\">zihao.yang@feichuncable.com<\/a>\n                    <a href=\"mailto:ziyu.huang@feichuncables.com\">ziyu.huang@feichuncables.com<\/a>\n                <\/div>\n                <div class=\"footer-section\">\n                    <h3>Certifications<\/h3>\n                    <p>IEEE 1580 | IEC 60331 | IEC 60332-3<\/p>\n                    <p>ABS | DNV-GL | Lloyd&#8217;s Register<\/p>\n                    <p>Transport Canada | UL 1309 | CSA 245<\/p>\n                <\/div>\n            <\/div>\n            <div class=\"footer-bottom\">\n                <p>\u00a9 2025 Anhui Feichun Special Cable Co., Ltd. All rights reserved. | Fire Resistant Cable Solutions for Global Offshore &#038; Wind Energy Applications<\/p>\n            <\/div>\n        <\/div>\n    <\/footer>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"331HF fire resistant cable has earned certification from the world&#8217;s leading maritime and offshore classification societies, ensuring compliance with the most stringent international standards for fire safety and electrical performance in hazardous environments.","protected":false},"author":1,"featured_media":2919,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[10561,66,97,1],"tags":[10929,11503,11489,11447,213,11446,11520,11426,11496,11433,11427,11448,11502,10267,11449,11527,11441,11504,11486,11485,11470,11532,11472,11499,11471,11474,11479,11500,11495,11487,11466,11458,11442,11484,11526,11444,11525,11501,1214,11480,11531,11465,11507,790,11478,11434,11429,11453,11492,11483,2587,11508,11451,11462,11435,11521,11428,11505,11455,11528,11375,11432,11494,11490,11491,694,11437,11439,11438,733,11476,11436,11498,11488,11519,3166,11482,11523,11430,11497,816,11529,11522,11431,147,11477,385,11461,11452,9843,11481,11445,1028,11463,11467,5374,11460,11464,11509,7296,11524,11475,11493,11530,11469,11506,11443,11440,11473,3303,1069,10714],"class_list":["post-2918","post","type-post","status-publish","format-standard","has-post-thumbnail","category-wind-turbine-cable","category-common-problems-encountered-in-cable-applications","category-lszh-low-smoke-zero-halogen-flexible-cable","category-uncategorized","tag-40c-cold-bend-cable","tag-40c-cold-bend-fire-resistant-offshore-cable","tag-18-awg-to-1111-kcmil-cable","tag-2000v-single-conductor-cable","tag-2kv","tag-2kv-fire-resistant-cable","tag-331hf","tag-331hf-fire-resistant-cable","tag-331hf-fire-resistant-single-conductor-power-cable-2kv-90c","tag-331hf-lszh-cable","tag-331hf-single-conductor-power-cable","tag-750c-circuit-integrity-cable","tag-750c-circuit-integrity-single-conductor-cable","tag-90c","tag-90c-rated-power-cable","tag-abs","tag-abs-approved-marine-cable","tag-abs-dnv-lloyds-approved-fire-resistant-marine-cable","tag-ac-resistance-90c-cable","tag-ampacity-marine-cable","tag-armored-and-sheathed-cable","tag-armored-cable","tag-basket-weave-armor-cable","tag-bronze-armored-fire-resistant-cable-offshore-platform","tag-bronze-armored-marine-cable","tag-bs-armored-cable-configuration","tag-circuit-integrity-cable","tag-class-i-division-1-zone-1-fire-resistant-power-cable","tag-cold-temperature-offshore-cable","tag-conductor-sizing-offshore-cable","tag-critical-circuit-cable","tag-cross-linked-polyolefin-insulation","tag-csa-245-shipboard-cable","tag-dc-resistance-fire-resistant-cable","tag-dnv-gl","tag-dnv-gl-certified-cable","tag-emergency-circuit","tag-emergency-circuit-fire-resistant-cable-offshore-oil-gas","tag-emergency-lighting-cable","tag-fire-barrier-tape-cable","tag-fire-detection","tag-fire-detection-circuit-cable","tag-fire-detection-suppression-circuit-cable-offshore","tag-fire-resistant-cable","tag-fire-resistant-insulation","tag-fire-resistant-marine-cable","tag-fire-resistant-single-conductor-cable-2kv","tag-fire-resistant-tape-cable","tag-fire-resistant-vs-flame-retardant-cable","tag-flame-spread-resistant-cable","tag-flexible-cable","tag-flexible-fire-resistant-cable-for-wind-turbine-nacelle","tag-flexible-tinned-copper-conductor","tag-fpso-power-cable","tag-gexol-fire-resistant-power-cable","tag-gexol-331hf","tag-gexol-331hf-cable","tag-gexol-hf-cross-linked-polyolefin-fire-resistant-insulation","tag-gexol-hf-insulation","tag-halogen-free","tag-halogen-free-flame-retardant","tag-halogen-free-wind-turbine-cable","tag-high-ampacity-fire-resistant-cable","tag-high-strand-count-flexible-cable","tag-iec-60092-350-alternative","tag-iec-60331","tag-iec-60331-fire-resistant-cable","tag-iec-60332-3-category-a-cable","tag-ieee-1202-flame-retardant-cable","tag-ieee-1580","tag-ieee-1580-armor-specification","tag-ieee-1580-fire-resistant-cable","tag-ieee-1580-iec-60331-certified-fire-resistant-marine-cable","tag-inductive-reactance-marine-cable","tag-jackup-rig-fire-resistant-cable","tag-lloyds-register-cable","tag-low-smoke-emission-cable","tag-low-smoke-halogen-free","tag-low-smoke-halogen-free-power-cable","tag-low-smoke-halogen-free-wind-turbine-cable-offshore","tag-low-smoke-zero-halogen-cable","tag-lrs","tag-lshf","tag-lshf-fire-resistant-cable","tag-lszh","tag-lszh-offshore-cable","tag-marine-cable","tag-marine-shipboard-cable","tag-mica-tape-fire-barrier","tag-nacelle-power-cable","tag-non-toxic-fire-cable","tag-nrtl-classified-cable","tag-offshore-cable","tag-offshore-drilling-rig-cable","tag-offshore-fire-resistant-cable","tag-offshore-platform-cable","tag-offshore-wind-turbine-cable","tag-personnel-egress-cable","tag-personnel-egress-emergency-lighting-fire-resistant-cable","tag-self-extinguishing-cable","tag-single-conductor","tag-single-conductor-armored-cable","tag-superior-flexibility-marine-cable","tag-tinned-copper","tag-tinned-copper-armor-cable","tag-tinned-copper-flexible-conductor-fire-resistant-cable","tag-transport-canada-marine-cable","tag-ul-1309-marine-cable","tag-unarmored-fire-resistant-cable","tag-voltage-drop-calculation-cable","tag-wind-turbine-cable","tag-wind-turbine-power-cable","cs-entry"],"_links"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