{"id":2888,"date":"2025-12-12T11:33:25","date_gmt":"2025-12-12T03:33:25","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=2888"},"modified":"2025-12-12T11:33:28","modified_gmt":"2025-12-12T03:33:28","slug":"what-is-h07zz-f-wind-450-750v-wind-turbine-cable","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/what-is-h07zz-f-wind-450-750v-wind-turbine-cable\/","title":{"rendered":"What is\u00a0H07ZZ-F WIND 450\/750V\u00a0Wind Turbine Cable?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Comprehensive Technical Guide to Halogen-Free Rubber Cables for Wind Energy Applications \u2014 Standards, Parameters, and Engineering Specifications<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"5994c5\" data-has-transparency=\"false\" style=\"--dominant-color: #5994c5;\" loading=\"lazy\" decoding=\"async\" width=\"911\" height=\"606\" sizes=\"auto, (max-width: 911px) 100vw, 911px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-308.avif\" alt=\"\" class=\"wp-image-2889 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-308.avif 911w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-308-300x200.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-308-768x511.avif 768w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-308-400x266.avif 400w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-308-800x532.avif 800w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-308-832x553.avif 832w\" \/><\/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=\"H07ZZ-F WIND 450\/750V Cable for Wind Turbines - Technical specifications, standards PN-EN 50525-3-21, parameters, and applications. Anhui Feichun Special Cable manufacturer.\">\n    <meta name=\"keywords\" content=\"H07ZZ-F WIND, wind turbine cable, 450\/750V cable, EN 50525-3-21, LSZH cable, halogen-free cable, wind farm cable, rubber cable, Feichun cable\">\n    <title>H07ZZ-F WIND 450\/750V Wind Turbine Cable | PN-EN 50525-3-21 | Anhui Feichun Special Cable<\/title>\n    <link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n    <link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n    <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=JetBrains+Mono:wght@400;500&#038;display=swap\" rel=\"stylesheet\">\n    <style>\n        :root {\n            --bg-primary: #0d1117;\n            --bg-secondary: #161b22;\n            --bg-tertiary: #21262d;\n            --text-primary: #e6edf3;\n            --text-secondary: #8b949e;\n            --text-muted: #6e7681;\n            --accent-blue: #58a6ff;\n            --accent-green: #3fb950;\n        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rel=\"noopener\">\n                        <svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"currentColor\"><path d=\"M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z\"\/><\/svg>\n                        +86 13855123218\n                    <\/a>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/header>\n\n    <section class=\"hero\">\n        <div class=\"container\">\n            <h1>What is <span>H07ZZ-F WIND 450\/750V<\/span> Wind Turbine Cable?<\/h1>\n            <p class=\"hero-subtitle\">Comprehensive Technical Guide to Halogen-Free Rubber Cables for Wind Energy Applications \u2014 Standards, Parameters, and Engineering Specifications<\/p>\n            <div>\n                <span class=\"standard-badge\">PN-EN 50525-3-21<\/span>\n                <span class=\"standard-badge\">IEC 60332-1-2<\/span>\n                <span class=\"standard-badge\">EN 60228 Class 5<\/span>\n                <span class=\"standard-badge\">DIN VDE 0293-308<\/span>\n            <\/div>\n        <\/div>\n    <\/section>\n\n    <main>\n        <div class=\"container\">\n            <article>\n                <h2>1. Introduction to H07ZZ-F WIND Cable Technology<\/h2>\n                \n                <p>The H07ZZ-F WIND represents a specialized category of flexible power cables engineered explicitly for wind turbine installations and renewable energy infrastructure. This cable type combines cross-linked halogen-free compound technology with enhanced torsion resistance, making it indispensable for modern wind energy systems where both electrical performance and fire safety are paramount considerations.<\/p>\n\n                <div class=\"highlight-box\">\n                    <p><strong>Cable Designation Breakdown:<\/strong> H (Harmonized European Standard) + 07 (Voltage Rating 450\/750V) + Z (Halogen-Free Insulation) + Z (Halogen-Free Sheath) + -F (Flexible Conductor Class 5) + WIND (Wind Turbine Application)<\/p>\n                <\/div>\n\n                <p>According to the European standard EN 50525-3-21, these cables are designed for connection of equipment and machinery to fixed supply systems with rated voltages up to 450\/750V, featuring special fire performance characteristics including low smoke emission and absence of corrosive gases during combustion.<\/p>\n                <p class=\"citation\">Reference: <a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-standard\/bs-en-50525-cable\" rel=\"nofollow noopener\" target=\"_blank\">BS EN 50525 Cable Standards \u2014 Eland Cables<\/a><\/p>\n\n                <h2>2. Technical Standards Compliance<\/h2>\n\n                <h3>2.1 Primary Standard: PN-EN 50525-3-21<\/h3>\n                <p>The H07ZZ-F WIND cable adheres to PN-EN 50525-3-21, the Polish implementation of the European harmonized standard EN 50525-3-21:2011. This standard specifically governs flexible cables with halogen-free crosslinked insulation designed for applications where low smoke and corrosive gas emission during fire events is critical.<\/p>\n\n                <div class=\"spec-grid\">\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-title\">Voltage Rating (U\u2080\/U)<\/div>\n                        <div class=\"spec-card-value\">450\/750V<\/div>\n                        <div class=\"spec-card-note\">Nominal voltage to earth \/ between conductors<\/div>\n                    <\/div>\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-title\">Conductor Class<\/div>\n                        <div class=\"spec-card-value\">Class 5<\/div>\n                        <div class=\"spec-card-note\">Per EN 60228 \u2014 Flexible stranded copper<\/div>\n                    <\/div>\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-title\">Torsion Resistance<\/div>\n                        <div class=\"spec-card-value\">92\u00b0\/m<\/div>\n                        <div class=\"spec-card-note\">Standard specification for wind applications<\/div>\n                    <\/div>\n                    <div class=\"spec-card\">\n                        <div class=\"spec-card-title\">Insulation Type<\/div>\n                        <div class=\"spec-card-value\">EI8<\/div>\n                        <div class=\"spec-card-note\">Cross-linked halogen-free thermosetting<\/div>\n                    <\/div>\n                <\/div>\n\n                <h3>2.2 Associated Standards Framework<\/h3>\n                <div class=\"table-wrapper\">\n                    <table>\n                        <thead>\n                            <tr>\n                                <th>Standard<\/th>\n                                <th>Scope<\/th>\n                                <th>Parameter<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>EN 60228<\/td>\n                                <td>Conductor construction<\/td>\n                                <td>Class 5 flexible stranded copper<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>EN 50363-5<\/td>\n                                <td>Insulation compound<\/td>\n                                <td>Type EI8 cross-linked halogen-free<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>EN 50363-6<\/td>\n                                <td>Sheath compound<\/td>\n                                <td>Type EM8 cross-linked halogen-free<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>HD 308 \/ DIN VDE 0293-308<\/td>\n                                <td>Color coding<\/td>\n                                <td>Power conductor identification<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>IEC 60332-1-2:2004<\/td>\n                                <td>Flame propagation<\/td>\n                                <td>Single cable vertical flame test<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n                <p class=\"citation\">Reference: <a href=\"https:\/\/www.dinmedia.de\/en\/standard\/din-en-50525-3-21\/146669613\" rel=\"nofollow noopener\" target=\"_blank\">DIN EN 50525-3-21 \u2014 DIN Media<\/a><\/p>\n\n                <h2>3. Construction Specifications<\/h2>\n\n                <h3>3.1 Conductor Design<\/h3>\n                <p>The conductor comprises annealed flexible special stranded bare copper conforming to EN 60228 Class 5 requirements. This construction ensures optimal flexibility for wind turbine loop cable applications while maintaining excellent electrical conductivity. The special stranding pattern enhances torsional stress resistance during nacelle rotation cycles.<\/p>\n\n                <h3>3.2 Insulation System<\/h3>\n                <p>Cross-linked halogen-free thermosetting compound type EI8 (per EN 50363-5) provides the primary insulation layer. A suitable tape separator between conductor and insulation prevents compound migration and ensures consistent dielectric performance across the operating temperature range. The white-colored insulation facilitates circuit identification during installation.<\/p>\n\n                <h3>3.3 Outer Jacket Construction<\/h3>\n                <p>The outer jacket utilizes cross-linked halogen-free thermosetting compound type EM8 (per EN 50363-6), typically supplied in black for UV resistance, though custom colors are available upon request. This jacket provides comprehensive protection against UV radiation, sunlight exposure, ozone degradation, and oil contamination \u2014 all critical factors in wind turbine environments.<\/p>\n\n                <ul class=\"feature-list\">\n                    <li>Low Smoke Zero Halogen (LSZH) construction per IEC 61034-1\/2<\/li>\n                    <li>UV, sunlight, and ozone resistant outer jacket<\/li>\n                    <li>Oil resistant compound formulation<\/li>\n                    <li>Flame retardant per IEC 60332-1-2:2004<\/li>\n                    <li>Ink jet printed surface for easy circuit identification<\/li>\n                    <li>Enhanced torsion resistance (92\u00b0\/m standard)<\/li>\n                <\/ul>\n\n                <p>Industrial cable specialists note that halogen-free cables represent an advancement in fire safety technology, engineered specifically for high-density occupancy environments where toxic emission mitigation is paramount during emergency situations.<\/p>\n                <p class=\"citation\">Reference: <a href=\"https:\/\/www.reelingcable.com\/crane-cable\" target=\"_blank\" rel=\"noopener\">Feichun Crane Cable Technical Resources \u2014 Reeling Cable<\/a><\/p>\n\n                <h2>4. Temperature Performance Parameters<\/h2>\n\n                <h3>4.1 Operating Temperature Range<\/h3>\n                <div class=\"temp-range\">\n                    <span class=\"temp-label\">-5\u00b0C<\/span>\n                    <div class=\"temp-bar\"><\/div>\n                    <span class=\"temp-label\">+90\u00b0C<\/span>\n                <\/div>\n\n                <div class=\"table-wrapper\">\n                    <table>\n                        <thead>\n                            <tr>\n                                <th>Parameter<\/th>\n                                <th>Value<\/th>\n                                <th>Application Context<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>Maximum conductor operating temperature<\/td>\n                                <td>+90\u00b0C<\/td>\n                                <td>Continuous operation limit<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Maximum conductor temperature (short circuit)<\/td>\n                                <td>+250\u00b0C<\/td>\n                                <td>Emergency overload condition<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Maximum cable surface temperature<\/td>\n                                <td>+80\u00b0C<\/td>\n                                <td>External touch safety limit<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Minimum installation\/handling temperature<\/td>\n                                <td>-5\u00b0C<\/td>\n                                <td>Cold weather installation threshold<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <h3>4.2 Ambient Temperature Derating Factors<\/h3>\n                <p>Current carrying capacity must be adjusted when ambient temperature exceeds the reference value of 30\u00b0C. The following conversion factors apply per HD 516 S2 and DIN VDE 0298-4 standards:<\/p>\n\n                <div class=\"table-wrapper\">\n                    <table class=\"comparison-table\">\n                        <thead>\n                            <tr>\n                                <th>Ambient Temperature (\u00b0C)<\/th>\n                                <th>30<\/th>\n                                <th>35<\/th>\n                                <th>40<\/th>\n                                <th>45<\/th>\n                                <th>50<\/th>\n                                <th>55<\/th>\n                                <th>60<\/th>\n                                <th>65<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>Conversion Factor<\/td>\n                                <td>1.00<\/td>\n                                <td>0.94<\/td>\n                                <td>0.87<\/td>\n                                <td>0.79<\/td>\n                                <td>0.71<\/td>\n                                <td>0.61<\/td>\n                                <td>0.50<\/td>\n                                <td>0.35<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <h2>5. Detailed Technical Parameters<\/h2>\n\n                <h3>5.1 Single Core Cable Specifications (1&#215;1.5mm\u00b2 to 1x4mm\u00b2)<\/h3>\n                <div class=\"table-wrapper\">\n                    <table>\n                        <thead>\n                            <tr>\n                                <th>Cross-Section<br>(n \u00d7 mm\u00b2)<\/th>\n                                <th>Max Wire Diameter<br>(mm)<\/th>\n                                <th>Insulation Thickness<br>(mm)<\/th>\n                                <th>Sheath Thickness<br>(mm)<\/th>\n                                <th>Overall Diameter<br>(mm)<\/th>\n                                <th>Net Weight<br>(kg\/km)<\/th>\n                                <th>Max Resistance @ 20\u00b0C<br>(\u03a9\/km)<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>1\u00d71.5<\/td>\n                                <td>0.26<\/td>\n                                <td>0.8<\/td>\n                                <td>1.4<\/td>\n                                <td>5.9<\/td>\n                                <td>49<\/td>\n                                <td>13.7<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d72.5<\/td>\n                                <td>0.26<\/td>\n                                <td>0.9<\/td>\n                                <td>1.4<\/td>\n                                <td>6.6<\/td>\n                                <td>65<\/td>\n                                <td>8.21<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d74<\/td>\n                                <td>0.31<\/td>\n                                <td>1.0<\/td>\n                                <td>1.5<\/td>\n                                <td>7.5<\/td>\n                                <td>88<\/td>\n                                <td>5.09<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <h3>5.2 Single Core Cable Specifications (1x6mm\u00b2 to 1x50mm\u00b2)<\/h3>\n                <div class=\"table-wrapper\">\n                    <table>\n                        <thead>\n                            <tr>\n                                <th>Cross-Section<br>(n \u00d7 mm\u00b2)<\/th>\n                                <th>Max Wire Diameter<br>(mm)<\/th>\n                                <th>Insulation Thickness<br>(mm)<\/th>\n                                <th>Sheath Thickness<br>(mm)<\/th>\n                                <th>Overall Diameter<br>(mm)<\/th>\n                                <th>Net Weight<br>(kg\/km)<\/th>\n                                <th>Max Resistance @ 20\u00b0C<br>(\u03a9\/km)<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>1\u00d76<\/td>\n                                <td>0.31<\/td>\n                                <td>1.0<\/td>\n                                <td>1.6<\/td>\n                                <td>8.2<\/td>\n                                <td>114<\/td>\n                                <td>3.39<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d710<\/td>\n                                <td>0.41<\/td>\n                                <td>1.2<\/td>\n                                <td>1.8<\/td>\n                                <td>10.1<\/td>\n                                <td>178<\/td>\n                                <td>1.95<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d716<\/td>\n                                <td>0.41<\/td>\n                                <td>1.2<\/td>\n                                <td>1.9<\/td>\n                                <td>11.4<\/td>\n                                <td>247<\/td>\n                                <td>1.24<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d725<\/td>\n                                <td>0.41<\/td>\n                                <td>1.4<\/td>\n                                <td>2.0<\/td>\n                                <td>13.2<\/td>\n                                <td>353<\/td>\n                                <td>0.795<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d735<\/td>\n                                <td>0.41<\/td>\n                                <td>1.4<\/td>\n                                <td>2.2<\/td>\n                                <td>14.4<\/td>\n                                <td>462<\/td>\n                                <td>0.565<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d750<\/td>\n                                <td>0.41<\/td>\n                                <td>1.6<\/td>\n                                <td>2.4<\/td>\n                                <td>17.1<\/td>\n                                <td>648<\/td>\n                                <td>0.393<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <h3>5.3 Single Core Cable Specifications (1x70mm\u00b2 to 1x630mm\u00b2)<\/h3>\n                <div class=\"table-wrapper\">\n                    <table>\n                        <thead>\n                            <tr>\n                                <th>Cross-Section<br>(n \u00d7 mm\u00b2)<\/th>\n                                <th>Max Wire Diameter<br>(mm)<\/th>\n                                <th>Insulation Thickness<br>(mm)<\/th>\n                                <th>Sheath Thickness<br>(mm)<\/th>\n                                <th>Overall Diameter<br>(mm)<\/th>\n                                <th>Net Weight<br>(kg\/km)<\/th>\n                                <th>Max Resistance @ 20\u00b0C<br>(\u03a9\/km)<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>1\u00d770<\/td>\n                                <td>0.51<\/td>\n                                <td>1.6<\/td>\n                                <td>2.6<\/td>\n                                <td>19.3<\/td>\n                                <td>870<\/td>\n                                <td>0.277<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d795<\/td>\n                                <td>0.51<\/td>\n                                <td>1.8<\/td>\n                                <td>2.8<\/td>\n                                <td>22.2<\/td>\n                                <td>1135<\/td>\n                                <td>0.210<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d7120<\/td>\n                                <td>0.51<\/td>\n                                <td>1.8<\/td>\n                                <td>3.0<\/td>\n                                <td>23.7<\/td>\n                                <td>1426<\/td>\n                                <td>0.164<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d7150<\/td>\n                                <td>0.51<\/td>\n                                <td>2.0<\/td>\n                                <td>3.2<\/td>\n                                <td>26.3<\/td>\n                                <td>1726<\/td>\n                                <td>0.132<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d7185<\/td>\n                                <td>0.51<\/td>\n                                <td>2.2<\/td>\n                                <td>3.4<\/td>\n                                <td>29.4<\/td>\n                                <td>2098<\/td>\n                                <td>0.108<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d7240<\/td>\n                                <td>0.51<\/td>\n                                <td>2.4<\/td>\n                                <td>3.5<\/td>\n                                <td>31.5<\/td>\n                                <td>2652<\/td>\n                                <td>0.0817<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d7300<\/td>\n                                <td>0.51<\/td>\n                                <td>2.6<\/td>\n                                <td>3.6<\/td>\n                                <td>35.7<\/td>\n                                <td>3290<\/td>\n                                <td>0.0654<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d7400<\/td>\n                                <td>0.51<\/td>\n                                <td>2.8<\/td>\n                                <td>3.8<\/td>\n                                <td>38.4<\/td>\n                                <td>4199<\/td>\n                                <td>0.0495<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d7500<\/td>\n                                <td>0.61<\/td>\n                                <td>3.0<\/td>\n                                <td>4.0<\/td>\n                                <td>43.8<\/td>\n                                <td>5353<\/td>\n                                <td>0.0391<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1\u00d7630<\/td>\n                                <td>0.61<\/td>\n                                <td>3.0<\/td>\n                                <td>4.1<\/td>\n                                <td>48.4<\/td>\n                                <td>6829<\/td>\n                                <td>0.0391<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <h2>6. Current Carrying Capacity<\/h2>\n\n                <h3>6.1 Open Air Installation Current Ratings (Ambient 30\u00b0C)<\/h3>\n                <p>The following current ratings apply to cables installed in open air per HD 516 S2 and DIN VDE 0298-4 standards, with permissible conductor operating temperature of 70\u00b0C:<\/p>\n\n                <div class=\"table-wrapper\">\n                    <table>\n                        <thead>\n                            <tr>\n                                <th>Cross-Section<br>(mm\u00b2)<\/th>\n                                <th>Single Core<br>1 Loaded Core (A)<\/th>\n                                <th>Household Equipment<br>2 Cores (A)<\/th>\n                                <th>Household Equipment<br>3 Cores (A)<\/th>\n                                <th>Industrial Equipment<br>2 or 3 Cores (A)<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>1<\/td>\n                                <td>19<\/td>\n                                <td>10<\/td>\n                                <td>10<\/td>\n                                <td>15<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>1.5<\/td>\n                                <td>24<\/td>\n                                <td>16<\/td>\n                                <td>16<\/td>\n                                <td>18<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>2.5<\/td>\n                                <td>32<\/td>\n                                <td>25<\/td>\n                                <td>20<\/td>\n                                <td>26<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>4<\/td>\n                                <td>42<\/td>\n                                <td>32<\/td>\n                                <td>25<\/td>\n                                <td>34<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>6<\/td>\n                                <td>54<\/td>\n                                <td>40<\/td>\n                                <td>\u2014<\/td>\n                                <td>44<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>10<\/td>\n                                <td>73<\/td>\n                                <td>63<\/td>\n                                <td>\u2014<\/td>\n                                <td>61<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>16<\/td>\n                                <td>98<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>82<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>25<\/td>\n                                <td>129<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>108<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>35<\/td>\n                                <td>158<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>135<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>50<\/td>\n                                <td>198<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>168<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>70<\/td>\n                                <td>245<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>207<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>95<\/td>\n                                <td>292<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>250<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>120<\/td>\n                                <td>344<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>292<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>150<\/td>\n                                <td>391<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>335<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>185<\/td>\n                                <td>448<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>382<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>240<\/td>\n                                <td>528<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>453<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>300<\/td>\n                                <td>608<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>523<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>400<\/td>\n                                <td>726<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>500<\/td>\n                                <td>830<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                                <td>\u2014<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n\n                <h2>7. Applications and Use Cases<\/h2>\n\n                <h3>7.1 Primary Application: Wind Turbine Systems<\/h3>\n                <p>The H07ZZ-F WIND cable is purpose-engineered for wind turbine installations, serving as the critical power distribution element within nacelle assemblies and tower infrastructure. The cable&#8217;s 92\u00b0\/m torsion resistance specification addresses the continuous rotational stresses encountered as wind turbines track wind direction changes. Industry experts recognize that cables designed for wind tower applications require specialized conductor construction and materials to achieve adequate torsion resistance for drop cable functionality in wind generators.<\/p>\n\n                <h3>7.2 Extended Application Scope<\/h3>\n                <p>Beyond wind energy systems, the H07ZZ-F WIND cable finds application in environments requiring LSZH (Low Smoke Zero Halogen) properties combined with mechanical flexibility. The cable excels in confined spaces where ventilation is limited, as its halogen-free construction prevents toxic gas accumulation during potential electrical faults.<\/p>\n\n                <ul class=\"feature-list\">\n                    <li>Wind turbine nacelle and tower wiring systems<\/li>\n                    <li>Indoor installations requiring fire safety compliance<\/li>\n                    <li>Temporary outdoor installations with moderate mechanical stress<\/li>\n                    <li>Industrial environments with oil\/grease exposure<\/li>\n                    <li>Marine and offshore renewable energy platforms<\/li>\n                    <li>Underground mining ventilation-critical applications<\/li>\n                    <li>Public buildings with stringent evacuation safety requirements<\/li>\n                <\/ul>\n\n                <h2>8. Comparative Analysis: H07ZZ-F vs H07RN-F<\/h2>\n\n                <p>The H07ZZ-F series represents a technological advancement over traditional H07RN-F rubber cables, offering enhanced fire safety performance while maintaining comparable mechanical characteristics. The key differentiator lies in the halogen-free compound formulation.<\/p>\n\n                <div class=\"table-wrapper\">\n                    <table class=\"comparison-table\">\n                        <thead>\n                            <tr>\n                                <th>Parameter<\/th>\n                                <th>H07ZZ-F WIND<\/th>\n                                <th>H07RN-F<\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr>\n                                <td>Halogen Content<\/td>\n                                <td>Zero (LSZH)<\/td>\n                                <td>Contains chlorine (PCP)<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Smoke Emission<\/td>\n                                <td>Low (IEC 61034)<\/td>\n                                <td>Standard<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Corrosive Gas Emission<\/td>\n                                <td>Minimal<\/td>\n                                <td>HCl during combustion<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Max Conductor Temp (Fixed)<\/td>\n                                <td>+90\u00b0C<\/td>\n                                <td>+60\u00b0C<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Insulation Type<\/td>\n                                <td>Cross-linked EI8<\/td>\n                                <td>EPR\/HEPR<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Primary Standard<\/td>\n                                <td>EN 50525-3-21<\/td>\n                                <td>EN 50525-2-21<\/td>\n                            <\/tr>\n                            <tr>\n                                <td>Fire Classification (CPR)<\/td>\n                                <td>B2ca \/ Cca<\/td>\n                                <td>Eca typical<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n                <p class=\"citation\">Reference: <a href=\"https:\/\/www.topcable.com\/blog-electric-cable\/h07zz-f-flexible-rubber\/\" rel=\"nofollow noopener\" target=\"_blank\">H07ZZ-F Technical Comparison \u2014 Top Cable<\/a><\/p>\n\n                <h2>9. Installation Guidelines<\/h2>\n\n                <h3>9.1 Environmental Considerations<\/h3>\n                <p>Installation should not proceed when ambient temperature falls below -5\u00b0C, as compound flexibility diminishes at lower temperatures, potentially causing insulation micro-fractures during cable manipulation. For wind turbine tower installations, cable routing should account for nacelle rotation range and incorporate appropriate service loops.<\/p>\n\n                <h3>9.2 Bend Radius Requirements<\/h3>\n                <p>Minimum bend radius during installation should comply with manufacturer specifications, typically 6\u00d7 overall cable diameter for single-core configurations. Permanent installation bend radii may be reduced to 4\u00d7 diameter under static conditions.<\/p>\n\n                <h3>9.3 Standard Packaging<\/h3>\n                <p>Standard delivery configuration is 1000m on wooden drums. Alternative packaging formats including smaller reels and cut-to-length options are available upon request from Anhui Feichun Special Cable Co., Ltd.<\/p>\n\n                <div class=\"reference-section\">\n                    <h4>Technical References &amp; Resources<\/h4>\n                    <ul class=\"reference-list\">\n                        <li><a href=\"https:\/\/www.reelingcable.com\/crane-cable\" target=\"_blank\" rel=\"noopener\">Feichun Crane Cable Engineering Resources<\/a> \u2014 Comprehensive industrial cable specifications<\/li>\n                        <li><a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-standard\/bs-en-50525-cable\" rel=\"nofollow noopener\" target=\"_blank\">BS EN 50525 Cable Standard Overview<\/a> \u2014 Eland Cables<\/li>\n                        <li><a href=\"https:\/\/www.dinmedia.de\/en\/standard\/din-en-50525-3-21\/146669613\" rel=\"nofollow noopener\" target=\"_blank\">DIN EN 50525-3-21 Standard Documentation<\/a> \u2014 DIN Media<\/li>\n                        <li><a href=\"https:\/\/www.topcable.com\/blog-electric-cable\/h07zz-f-flexible-rubber\/\" rel=\"nofollow noopener\" target=\"_blank\">TOXFREE H07ZZ-F Technical Guide<\/a> \u2014 Top Cable<\/li>\n                    <\/ul>\n                <\/div>\n\n                <div class=\"cta-section\">\n                    <h3>Request Technical Specifications or Quotation<\/h3>\n                    <p>Anhui Feichun Special Cable Co., Ltd. (\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8) provides custom H07ZZ-F WIND cable solutions engineered to your specific wind energy project requirements. Our technical team offers application engineering support, cable sizing calculations, and comprehensive documentation packages.<\/p>\n                    <div class=\"cta-buttons\">\n                        <a href=\"https:\/\/wa.me\/8613855123218\" class=\"btn btn-primary\" target=\"_blank\" rel=\"noopener\">\n                            <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"currentColor\"><path d=\"M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z\"\/><\/svg>\n                            WhatsApp: +86 13855123218\n                        <\/a>\n                        <a href=\"mailto:tech@feichuncables.com\" class=\"btn btn-secondary\">\n                            Technical Inquiry\n                        <\/a>\n                    <\/div>\n                <\/div>\n\n            <\/article>\n        <\/div>\n    <\/main>\n\n    <footer>\n        <div class=\"container\">\n            <div class=\"footer-grid\">\n                <div class=\"footer-section\">\n                    <h4>Anhui Feichun Special Cable Co., Ltd.<\/h4>\n                    <p>\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/p>\n                    <p>Professional manufacturer of industrial cables for wind energy, mining, port equipment, and heavy machinery applications.<\/p>\n                    <p>ISO 9001:2015 | ISO 14001:2015 Certified<\/p>\n                <\/div>\n                <div class=\"footer-section\">\n                    <h4>Contact Information<\/h4>\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                    <a href=\"https:\/\/wa.me\/8613855123218\" target=\"_blank\" rel=\"noopener\">WhatsApp: +86 13855123218<\/a>\n                <\/div>\n                <div class=\"footer-section\">\n                    <h4>Product Categories<\/h4>\n                    <a href=\"https:\/\/www.feichuncable.com\" target=\"_blank\" rel=\"noopener\">Wind Turbine Cables<\/a>\n                    <a href=\"https:\/\/www.reelingcable.com\/crane-cable\" target=\"_blank\" rel=\"noopener\">Crane &amp; Reeling Cables<\/a>\n                    <a href=\"https:\/\/www.feichuncables.com\">Mining Cables<\/a>\n                    <a href=\"https:\/\/www.feichuncables.com\">Marine Cables<\/a>\n                <\/div>\n                <div class=\"footer-section\">\n                    <h4>Standards &amp; Certifications<\/h4>\n                    <p>EN 50525-3-21 | IEC 60332<\/p>\n                    <p>DIN VDE 0298-4 | HD 516 S2<\/p>\n                    <p>EN 60228 | CE Certified<\/p>\n                <\/div>\n            <\/div>\n            <div class=\"footer-bottom\">\n                <p>&copy; 2024 Anhui Feichun Special Cable Co., Ltd. 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All rights reserved.<\/p>\n                <p style=\"margin-top: 8px;\">Building A Private Science and Technology Park, Hefei Economic and Technological Development Zone, Anhui Province, China<\/p>\n            <\/div>\n        <\/div>\n    <\/footer>\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\/NSHTOU-O-J-Reeling-Cable-Technical-Specification-Quotation-1.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"\u5d4c\u5165 (N)SHT\u00d6U-O-J Reeling Cable Technical Specification &amp; Quotation\"><\/object><a id=\"wp-block-file--media-c4bf3d98-a4e1-4da5-9e27-ed78286a68a9\" href=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/NSHTOU-O-J-Reeling-Cable-Technical-Specification-Quotation-1.pdf\">(N)SHT\u00d6U-O-J Reeling Cable Technical Specification &#038; Quotation<\/a><a href=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/NSHTOU-O-J-Reeling-Cable-Technical-Specification-Quotation-1.pdf\" class=\"wp-block-file__button wp-element-button\" aria-describedby=\"wp-block-file--media-c4bf3d98-a4e1-4da5-9e27-ed78286a68a9\" download>\u4e0b\u8f7d<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"H07ZZ-F WIND represents a specialized category of flexible power cables engineered explicitly for wind turbine installations and renewable energy infrastructure. This cable type combines cross-linked halogen-free compound technology with enhanced torsion resistance, making it indispensable for modern wind energy systems where both electrical performance and fire safety are paramount considerations.","protected":false},"author":1,"featured_media":2889,"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":[10561,9563,9679],"tags":[10851,10861,10854,10866,10863,10859,10850,10860,10867,10862,10858,10865,10852,10864,10857,10868,10853,10855,10856,1561,1731,10819,10872,1043,10844,10873,10820,10825,594,10821,10823,100,10806,10836,10822,4491,10849,2311,10871,1002,10847,423,10809,10869,10815,10817,10811,10813,10816,10812,10843,10810,10835,10807,10839,10814,7700,10838,10805,10846,10826,10827,3057,10824,6198,10834,2287,10848,10837,10845,99,10828,10841,10808,10619,10830,9852,9848,10818,1084,10832,10833,10874,766,10840,808,10870,9864,9641,10572,9865,10829,10576,10831,1069,10842,10714,2288],"class_list":["post-2888","post","type-post","status-publish","format-standard","has-post-thumbnail","category-wind-turbine-cable","category-medium-voltage-cable","category-xlpe-cable","tag-1x1-5mm-wind-cable","tag-1x10mm-wind-cable","tag-1x120mm-wind-cable","tag-1x150mm-wind-cable","tag-1x16mm-wind-cable","tag-1x185mm-wind-cable","tag-1x2-5mm-wind-cable","tag-1x240mm-wind-cable","tag-1x25mm-wind-cable","tag-1x300mm-wind-cable","tag-1x35mm-wind-cable","tag-1x400mm-wind-cable","tag-1x4mm-wind-cable","tag-1x500mm-wind-cable","tag-1x50mm-wind-cable","tag-1x630mm-wind-cable","tag-1x6mm-wind-cable","tag-1x70mm-wind-cable","tag-1x95mm-wind-cable","tag-450-750v-cable","tag-450-750v-flexible-cable","tag-bs-en-50525-3-21","tag-cable-derating-factors-ambient-temperature","tag-class-5-conductor","tag-cross-linked-halogen-free-thermosetting-compound-cable","tag-cross-linked-insulation","tag-din-en-50525-3-21","tag-din-vde-0293-308","tag-din-vde-0298-4","tag-en-50363-5-insulation","tag-en-50363-6-sheath","tag-en-50525-3-21","tag-en-50525-3-21-cable","tag-en-50525-3-21-certified-wind-turbine-cable","tag-en-60228-class-5","tag-feichun-cable","tag-fire-performance-cable-wind-turbine","tag-fire-safety-cable","tag-flexible-cable-current-rating-30c","tag-flexible-power-cable","tag-h07rn-f-alternative","tag-h07zz-f","tag-h07zz-f-450-750v","tag-h07zz-f-ampacity-table","tag-h07zz-f-class-5-conductor","tag-h07zz-f-cross-linked-insulation","tag-h07zz-f-flexible-cable","tag-h07zz-f-halogen-free","tag-h07zz-f-lszh","tag-h07zz-f-rubber-cable","tag-h07zz-f-vs-h07rn-f-cable-comparison","tag-h07zz-f-wind","tag-h07zz-f-wind-450-750v-wind-turbine-cable-specifications","tag-h07zz-f-wind-cable","tag-h07zz-f-wind-cable-technical-parameters","tag-h07zz-f-wind-turbine","tag-halogen-free-cable-2","tag-halogen-free-cross-linked-rubber-cable-for-wind-farms","tag-halogen-free-rubber-cable","tag-halogen-free-rubber-cable-replacement","tag-hd-308-color-code","tag-hd-516-s2-current-rating","tag-heavy-machinery-cable","tag-iec-60332-1-2-cable","tag-industrial-flexible-cable","tag-loop-cable-wind-turbine","tag-low-smoke-cable","tag-low-smoke-flexible-cable-wind-energy","tag-low-smoke-zero-halogen-cable-for-renewable-energy","tag-lszh-alternative-to-h07rn-f","tag-lszh-cable","tag-lszh-industrial-cable","tag-lszh-rubber-cable-uv-ozone-resistant","tag-lszh-wind-cable","tag-nacelle-cable","tag-nacelle-power-distribution","tag-offshore-wind-cable","tag-onshore-wind-cable","tag-pn-en-50525-3-21","tag-renewable-energy-cable","tag-renewable-energy-equipment-cable","tag-rotating-equipment-cable","tag-rubber-cable","tag-torsion-resistant-cable","tag-torsion-resistant-flexible-cable-wind-turbine","tag-uv-resistant-cable","tag-wind-cable-current-capacity","tag-wind-energy-cable","tag-wind-farm-cable","tag-wind-farm-power-cable","tag-wind-generator-cable","tag-wind-generator-wiring","tag-wind-tower-cable","tag-wind-tower-wiring-system","tag-wind-turbine-cable","tag-wind-turbine-nacelle-cable-class-5-conductor","tag-wind-turbine-power-cable","tag-zero-halogen-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/2888","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=2888"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/2888\/revisions"}],"predecessor-version":[{"id":2890,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/2888\/revisions\/2890"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/2889"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=2888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.co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