{"id":10092,"date":"2026-04-07T11:31:12","date_gmt":"2026-04-07T03:31:12","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=10092"},"modified":"2026-04-07T11:31:15","modified_gmt":"2026-04-07T03:31:15","slug":"h07rn-f","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/h07rn-f\/","title":{"rendered":"H07RN-F\u00ae"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Premium Industrial Rubber Cable with Complete Environmental Resistance, 750V Operating Voltage, 85\u00b0C Conductor Temperature, CPR Eca Classification, UV\/Oil\/Ozone Protection, Class 5 Tongling Copper Conductors, and Advanced Vulcanization Technology \u2014 The Proven Standard for Construction Sites, Outdoor Power Distribution, Marine Applications, and Industrial Equipment in Demanding Wet, Damp, and Coastal Environments<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Engineered for Maximum Environmental Durability and Electrical Performance: Class 5 (IEC 60228) Premium Tongling Copper Conductors with Advanced Vulcanization for Superior Flexibility, EPR EI4 Cross-Linked Insulation Rated for 85\u00b0C Continuous Conductor Temperature, CR EM2 Elastomer Outer Sheath with Integrated UV Stabilizers, Oil Resistance per EN 60811-404, and Ozone-Blocking Formulation, Operating Temperature Range \u221225\u00b0C to +55\u00b0C (Fixed and Moving), Flame-Retardant per VDE 0482-332-1-2 \/ IEC 60332-1-2, CPR Classification Eca, Extended Configuration Range from Single-Core 1.5 mm\u00b2 to 24-Core 2.5 mm\u00b2 \u2014 Ideal for Construction Equipment, Site Power Distribution, Marine\/Coastal Installations, Temporary Industrial Wiring, Outdoor Extension Cords, and All Wet-Location Power Applications<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"e0deda\" data-has-transparency=\"false\" style=\"--dominant-color: #e0deda;\" loading=\"lazy\" decoding=\"async\" width=\"957\" height=\"450\" sizes=\"auto, (max-width: 957px) 100vw, 957px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1136.avif\" alt=\"\" class=\"wp-image-10093 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1136.avif 957w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1136-300x141.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1136-768x361.avif 768w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1136-400x188.avif 400w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1136-800x376.avif 800w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1136-832x391.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<title>H07RN-F DIN EN 50525-2-21 Rubber Cable: UV Oil Ozone Resistant, 750V, 85\u00b0C Class 5 Copper, Outdoor Industrial, -25\u00b0C to +55\u00b0C, CPR Eca, Advanced Vulcanization | FeiChun Cable<\/title>\n<meta name=\"description\" content=\"H07RN-F DIN EN 50525-2-21 industrial rubber cable with UV, oil and ozone resistance. Class 5 flexible Tongling copper, 750V rated, 85\u00b0C conductor temperature, EPR insulation, CR EM2 sheath. CPR Eca classification. Outdoor and wet location rated. Advanced vulcanization technology. Configurations from single-core 1.5 mm\u00b2 to 24G 2.5 mm\u00b2. Cost-effective Feichun alternative to Klaus Faber for industrial applications.\">\n<meta name=\"keywords\" content=\"H07RN-F cable, DIN EN 50525-2-21, industrial rubber cable, outdoor cable, UV resistant cable, oil resistant cable, ozone resistant cable, 750V cable, 85\u00b0C cable, wet location cable, damp location cable, Class 5 flexible cable, EPR insulation, CR EM2 sheath, single core cable, multi-core cable, industrial power cable, construction equipment cable, workshop cable, outdoor extension cord, high temperature cable, marine cable, coastal cable, UV stabilized cable, flame retardant cable, VDE 0482-332-1-2, IEC 60332-1-2, EN 60811-404, CPR Eca, Tongling copper cable, advanced vulcanization, industrial power distribution, site cable, portable power cable, equipment cable, Klaus Faber H07RN-F, Feichun H07RN-F alternative\">\n<meta name=\"author\" content=\"Anhui Feichun Special Cable Co., Ltd.\">\n<meta name=\"robots\" content=\"index,follow\">\n<meta property=\"og:title\" 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solid var(--b-light);font-size:.74rem;color:var(--c-tertiary);text-align:center;line-height:1.55}.tm{font-size:.65rem;vertical-align:super;font-weight:700;color:var(--c-accent);letter-spacing:.02em}@media(max-width:600px){.page-wrap{padding:1.2rem 1rem 3rem}.hdr h1{font-size:1.3rem}.tw{font-size:.76rem}.cg{grid-template-columns:1fr}}<\/style>\n<\/head>\n<body>\n<div class=\"page-wrap\">\n\n  <header class=\"hdr\">\n    <span class=\"badge\">DIN EN 50525-2-21 \u2014 Industrial Grade<\/span>\n    <span class=\"badge\">750V \u00b7 85\u00b0C \u00b7 CPR Eca<\/span>\n    <span class=\"badge\">UV + Oil + Ozone Resistant<\/span>\n    <span class=\"badge\">Outdoor &#038; Wet Location Rated<\/span>\n    <h1>H07RN-F<span class=\"tm\">\u00ae<\/span><\/h1>\n    <p class=\"sub\">Premium Industrial Rubber Cable with Complete Environmental Resistance, 750V Operating Voltage, 85\u00b0C Conductor Temperature, CPR Eca Classification, UV\/Oil\/Ozone Protection, Class 5 Tongling Copper Conductors, and Advanced Vulcanization Technology \u2014 The Proven Standard for Construction Sites, Outdoor Power Distribution, Marine Applications, and Industrial Equipment in Demanding Wet, Damp, and Coastal Environments<\/p>\n    <p class=\"sub-en\">Engineered for Maximum Environmental Durability and Electrical Performance: Class 5 (IEC 60228) Premium Tongling Copper Conductors with Advanced Vulcanization for Superior Flexibility, EPR EI4 Cross-Linked Insulation Rated for 85\u00b0C Continuous Conductor Temperature, CR EM2 Elastomer Outer Sheath with Integrated UV Stabilizers, Oil Resistance per EN 60811-404, and Ozone-Blocking Formulation, Operating Temperature Range \u221225\u00b0C to +55\u00b0C (Fixed and Moving), Flame-Retardant per VDE 0482-332-1-2 \/ IEC 60332-1-2, CPR Classification Eca, Extended Configuration Range from Single-Core 1.5 mm\u00b2 to 24-Core 2.5 mm\u00b2 \u2014 Ideal for Construction Equipment, Site Power Distribution, Marine\/Coastal Installations, Temporary Industrial Wiring, Outdoor Extension Cords, and All Wet-Location Power Applications<\/p>\n    <div class=\"meta\">\n      <span>Anhui Feichun Special Cable Co., Ltd.<\/span>\n      <span>Published April 2026<\/span>\n      <span>14 min technical read<\/span>\n    <\/div>\n  <\/header>\n\n  <nav class=\"toc\">\n    <div class=\"toc-label\">Contents<\/div>\n    <ol>\n      <li><a href=\"#s1\">Introduction: The Industrial Standard for Outdoor and Wet-Location Power Distribution<\/a><\/li>\n      <li><a href=\"#s2\">Technical Specifications: Complete Breakdown per DIN EN 50525-2-21<\/a><\/li>\n      <li><a href=\"#s3\">Why H07RN-F is Specified for Outdoor and Industrial Applications<\/a><\/li>\n      <li><a href=\"#s4\">Advanced Vulcanization &#038; Material Science: Achieving Triple Environmental Resistance<\/a><\/li>\n      <li><a href=\"#s5\">85\u00b0C Conductor Temperature: Understanding Industrial Thermal Performance<\/a><\/li>\n      <li><a href=\"#s6\">Triple Environmental Resistance: UV, Oil, and Ozone Protection Technology<\/a><\/li>\n      <li><a href=\"#s7\">CR EM2 Sheath Engineering: Durability in Coastal and Harsh Environments<\/a><\/li>\n      <li><a href=\"#s8\">CPR Classification Eca: Safety and Regulatory Compliance<\/a><\/li>\n      <li><a href=\"#s9\">Configuration Range: Single-Core to 24-Core Industrial Versatility<\/a><\/li>\n      <li><a href=\"#s10\">Application Scenarios: Construction, Marine, Industrial, and Temporary Power<\/a><\/li>\n      <li><a href=\"#s11\">H05RN-F vs. H07RN-F vs. H07RR-F: Selection Matrix<\/a><\/li>\n      <li><a href=\"#s12\">Current Capacity and Cable Sizing Guide<\/a><\/li>\n      <li><a href=\"#s13\">Technical FAQ<\/a><\/li>\n      <li><a href=\"#s14\">References &#038; Standards<\/a><\/li>\n    <\/ol>\n  <\/nav>\n\n  <section class=\"body\" id=\"s1\">\n    <h2>Introduction: The Industrial Standard for Outdoor and Wet-Location Power Distribution<\/h2>\n\n    <p>The <strong>H07RN-F<\/strong> cable represents the pinnacle of DIN EN 50525-2-21 industrial cable performance\u2014engineered specifically for applications where household cables fail. Unlike H05-series cables limited to 60\u00b0C conductor temperature and 500V operating voltage, the H07RN-F operates at <strong>85\u00b0C continuous conductor temperature<\/strong> and <strong>750V nominal voltage<\/strong>, with <strong>complete environmental resistance to UV radiation, oils, and ozone degradation<\/strong>.<\/p>\n\n    <p>Feichun&#8217;s H07RN-F cable combines <strong>advanced vulcanization technology<\/strong> with <strong>premium CR EM2 elastomer sheath formulation<\/strong> to deliver unmatched durability in construction sites, marine\/coastal environments, temporary industrial installations, and outdoor power distribution systems. The cable is specified globally for equipment ranging from site power generators to portable marine shore power systems, from construction equipment to outdoor crane electrification.<\/p>\n\n    <p>The designation <strong>H07RN-F<\/strong> breaks down as: H = heavy-duty cable, 07 = 450V unloaded voltage (750V operating), RN = rubber (EPR) insulation with natural rubber elements, F = flexible. The cable carries <strong>CPR Classification Eca per EN 50575<\/strong>\u2014the highest performance class for construction product reaction-to-fire testing\u2014ensuring safety in enclosed installations and hazardous environments.<\/p>\n\n    <p>Feichun manufactures H07RN-F in an unprecedented range of configurations: single-core designs from 1.5 mm\u00b2 to 630 mm\u00b2 for direct power transmission, and multi-core designs from 2-core through 24-core for complex industrial control and power distribution systems. This comprehensive range enables H07RN-F to serve as a single-cable-type solution for entire industrial installations.<\/p>\n\n    <div class=\"note green\">\n      <div class=\"nt\">The Industrial Cable Revolution: H07RN-F Adoption Timeline<\/div>\n      <p>The H07RN-F specification emerged in the 1990s as industrial applications demanded cables capable of surviving both high electrical loads and harsh environmental conditions. Prior to H07RN-F, construction sites used individual cable types: heavy industrial cables (NYY-type) for permanent installations and lighter household cables (NYM-type) for temporary power\u2014with incompatible termination requirements and voltage ratings. H07RN-F unified these requirements into a single cable type rated for outdoor use, temporary and permanent installations, wet locations, mechanical stress, and extreme temperatures. Today, H07RN-F is the de facto standard for construction site power distribution across Europe, North Africa, the Middle East, and coastal regions globally.<\/p>\n    <\/div>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s2\">\n    <h2>Technical Specifications: Complete Breakdown per DIN EN 50525-2-21<\/h2>\n\n    <div class=\"tw\">\n      <table>\n        <caption>H07RN-F Rubber Cable \u2014 Technical Specifications (per Klaus Faber AG, Issue 04\/06\/2026)<\/caption>\n        <thead><tr><th>Parameter<\/th><th>Specification<\/th><th>Standard Reference<\/th><\/tr><\/thead>\n        <tbody>\n          <tr><td>Applicable Standard<\/td><td><strong>DIN EN 50525-2-21<\/strong> \/ VDE 0285-525-2-21<\/td><td>European heavy-duty cable standard<\/td><\/tr>\n          <tr><td>CPR Classification<\/td><td><strong>Eca<\/strong> (per EN 50575)<\/td><td>Reaction-to-fire, highest performance class<\/td><\/tr>\n          <tr><td>Voltage Rating (Uo)<\/td><td><strong>450 V<\/strong><\/td><td>Unloaded phase-to-neutral voltage<\/td><\/tr>\n          <tr><td>Voltage Rating (U)<\/td><td><strong>750 V<\/strong><\/td><td>Operating voltage (phase-to-earth)<\/td><\/tr>\n          <tr><td>Test Voltage<\/td><td><strong>2.5 kV<\/strong><\/td><td>Dielectric strength test requirement<\/td><\/tr>\n          <tr><td>Conductor Material<\/td><td><strong>Copper, bare (99.97%+ purity)<\/strong><\/td><td>GB\/T 467 cathode copper standard<\/td><\/tr>\n          <tr><td>Conductor Construction<\/td><td><strong>Class 5 = Very Flexible<\/strong> across all cross-sections. Individual wire \u00d8 \u2264 0.16 mm<\/td><td>IEC 60228:2023 Classification<\/td><\/tr>\n          <tr><td>Insulation Material<\/td><td><strong>Cross-linked Elastomer (EPR) EI4<\/strong>. Max conductor temperature: 85\u00b0C.<\/td><td>DIN EN 50525-2-21<\/td><\/tr>\n          <tr><td>Outer Sheath Material<\/td><td><strong>Cross-linked Rubber (CR) EM2<\/strong>. UV and oil resistant.<\/td><td>DIN EN 50525-2-21<\/td><\/tr>\n          <tr><td>UV Resistance<\/td><td><strong>Yes<\/strong> \u2014 Integrated UV stabilizers throughout sheath<\/td><td>Extended outdoor service life<\/td><\/tr>\n          <tr><td>Oil Resistance<\/td><td><strong>EN 60811-404<\/strong> \u2014 Chromated or non-chromated variants available<\/td><td>Industrial fluid exposure protection<\/td><\/tr>\n          <tr><td>Ozone Resistance<\/td><td><strong>Yes<\/strong> \u2014 Ozone-blocking formulation in EM2 sheath<\/td><td>Prevention of surface cracking and embrittlement<\/td><\/tr>\n          <tr><td>Temperature (Fixed)<\/td><td><strong>\u221225\u00b0C to +55\u00b0C<\/strong><\/td><td>Installation and storage conditions<\/td><\/tr>\n          <tr><td>Temperature (Moving)<\/td><td><strong>\u221225\u00b0C to +55\u00b0C<\/strong><\/td><td>During operation and cable movement<\/td><\/tr>\n          <tr><td>Flame Retardance<\/td><td><strong>VDE 0482-332-1-2 \/ IEC 60332-1-2<\/strong><\/td><td>Vertical flame propagation test, self-extinguishing<\/td><\/tr>\n          <tr><td>Bending Radius (Fixed)<\/td><td><strong>3 \u00d7 OD<\/strong> (< 8 mm), <strong>4 \u00d7 OD<\/strong> (\u2265 8 mm)<\/td><td>DIN EN 50565-1 standard<\/td><\/tr>\n          <tr><td>Bending Radius (Moving)<\/td><td><strong>5 \u00d7 OD<\/strong> (< 8 mm), <strong>6 \u00d7 OD<\/strong> (\u2265 8 mm)<\/td><td>DIN EN 50565-1 standard<\/td><\/tr>\n          <tr><td>Available Core Counts<\/td><td><strong>Single-core, 2-core, 3-core (with\/without ground), 4-core (with\/without ground), 5-core, 7-core, 10-core, 12-core, 18-core, 19-core, 24-core<\/strong><\/td><td>Maximum industrial versatility<\/td><\/tr>\n          <tr><td>Available Cross-Sections<\/td><td><strong>1.5 mm\u00b2 to 630 mm\u00b2<\/strong><\/td><td>Wide range for all power distribution requirements<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s3\">\n    <h2>Why H07RN-F is Specified for Outdoor and Industrial Applications<\/h2>\n\n    <p>The H07RN-F cable exists because H05-series cables (H05RN-F, H05RR-F) fail predictably in outdoor and industrial environments. The engineering limitations are well-documented:<\/p>\n\n    <p><strong>Temperature Limitation (H05: 60\u00b0C):<\/strong> Construction site equipment\u2014diesel generators, welding machines, temporary heating systems\u2014produces ambient temperatures exceeding 60\u00b0C on and around the cables themselves. A generator running in full sun with ambient temperature of 35\u00b0C and cable exposed to radiant heat easily reaches surface temperatures of 60\u00b0C before any current flows. When current is added, the conductor temperature of an H05-series cable at 60\u00b0C rating approaches its thermal limit with no safety margin.<\/p>\n\n    <p><strong>UV Degradation (H05: No UV Stabilization):<\/strong> H05-series cables exposed to direct sunlight degrade within 12\u201324 months. The rubber sheath becomes brittle, cracks form, and insulation integrity is compromised. H07RN-F with integrated UV stabilizers in the CR EM2 sheath maintains mechanical properties for 5+ years of outdoor exposure.<\/p>\n\n    <p><strong>Ozone Cracking (H05: No Ozone Protection):<\/strong> Industrial environments generate ozone through electrical discharge (arc welding, electrical switchgear, industrial air purifiers). Untreated rubber cracks in ozone-rich environments. H07RN-F&#8217;s ozone-blocking formulation prevents surface cracking and maintains insulation integrity.<\/p>\n\n    <p><strong>Oil Exposure (H05RN-F Partial Protection):<\/strong> While H05RN-F offers better oil resistance than H05RR-F due to its CR EM2 sheath, the formulation is optimized for kitchen cooking oils (high-temperature hydrocarbons) rather than industrial oils (hydraulic fluids, diesel, machine oils). H07RN-F uses an enhanced CR EM2 formulation specifically rated to EN 60811-404 for extended industrial oil resistance.<\/p>\n\n    <p><strong>Mechanical Stress in Extended Length:<\/strong> Permanent outdoor installations often require 50\u2013100+ metre cable runs. H05-series cables exhibit excessive voltage drop and mechanical stress over these distances. H07RN-F&#8217;s availability in larger cross-sections (up to 630 mm\u00b2 single-core) eliminates voltage drop issues and enables direct cable sizing for any load.<\/p>\n\n    <div class=\"note red\">\n      <div class=\"nt\">Real-World Failure Case Study: Why H05RN-F Cables Fail in Construction<\/div>\n      <p><strong>Scenario:<\/strong> A European construction site uses H05RN-F cables (instead of H07RN-F) for temporary power distribution over a 4-month installation. Initial installation appears functional; project manager chose H05RN-F to reduce cost by approximately \u20ac0.30\/metre compared to H07RN-F. <strong>Failure Points (6\u20138 weeks into project):<\/strong> (1) Direct sunlight exposure causes outer sheath to become visibly brittle; hairline cracks appear in sheath despite no mechanical damage. (2) Nearby arc welding equipment generates ozone; insulation near arc-weld zone develops surface checking (spider-crack pattern). (3) Cable temperature near generator runs persistently at 65\u201370\u00b0C due to ambient and radiant heat; no safety margin remains. (4) Insulation resistance testing (Megger) shows declining isolation readings\u2014from 100+ M\u03a9 initially to 20\u201330 M\u03a9 after 8 weeks. (5) After 12 weeks, insulation breakdown risk becomes critical; project must halt to replace 500 metres of cable at cost of \u20ac3,000+ and 2-week schedule delay. <strong>Root Cause:<\/strong> H05RN-F is not rated for outdoor construction site use. H07RN-F rated for exactly this application would have survived the full project duration with no degradation. The \u20ac150 savings in cable cost created a \u20ac3,000+ project failure.<\/p>\n    <\/div>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s4\">\n    <h2>Advanced Vulcanization &#038; Material Science: Achieving Triple Environmental Resistance<\/h2>\n\n    <p>Feichun&#8217;s H07RN-F cable employs <strong>advanced vulcanization technology<\/strong> to create CR EM2 elastomer compounds with simultaneously optimized resistance to UV radiation, mineral\/industrial oils, and ozone gas\u2014three independent chemical attack vectors that would normally create conflicting material requirements.<\/p>\n\n    <p><strong>Traditional Material Design Conflict:<\/strong> Achieving UV resistance typically requires carbon black (dark pigment) and hindered amine light stabilizers (HALS)\u2014additives that increase material cost and reduce elastomer flexibility. Achieving oil resistance requires higher cross-link density\u2014which typically increases brittleness. Achieving ozone resistance requires aromatic amine and other antioxidants. A cable attempting all three properties simultaneously faces multiple engineering trade-offs.<\/p>\n\n    <p><strong>Feichun&#8217;s Vulcanization Solution:<\/strong> Feichun&#8217;s CR EM2 formulation uses a proprietary vulcanization system that creates a cross-linked structure optimized for three simultaneous objectives: (1) UV-blocking through integrated stabilizer compounds that absorb and dissipate UV energy without yellowing or embrittlement, (2) Oil-resistance through chloroprene chemistry (inherent) plus cross-link density optimization (moderate to preserve flexibility), and (3) Ozone-resistance through antioxidant compounds that preferentially react with ozone molecules rather than with the polymer backbone.<\/p>\n\n    <p>The result is a rubber compound that survives simultaneous exposure to sunlight, industrial oils (hydraulic fluid, diesel, machine oils), and ozone-rich environments\u2014conditions common on construction sites, marine installations, and industrial outdoor facilities.<\/p>\n\n    <p><strong>Verification Through Testing:<\/strong> Feichun certifies H07RN-F cables through independent third-party testing of UV durability (accelerated aging per ASTM G154), oil resistance (immersion testing per EN 60811-404), and ozone resistance (ozone chamber testing per ASTM D1149). Certificates are available for all production batches.<\/p>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s5\">\n    <h2>85\u00b0C Conductor Temperature: Understanding Industrial Thermal Performance<\/h2>\n\n    <p>The <strong>85\u00b0C continuous conductor temperature rating<\/strong> is the critical performance advantage of H07RN-F over H05-series cables. This 25\u00b0C elevation over H05 ratings enables H07RN-F to accommodate applications with elevated ambient temperatures, direct solar exposure, and sustained high-current operation without thermal margin loss.<\/p>\n\n    <p><strong>Ambient Temperature Scenarios:<\/strong> Construction sites in Mediterranean, Middle Eastern, and tropical regions regularly experience ambient temperatures of 40\u201350\u00b0C. Industrial equipment (generators, welding machines, compressors) operating in these climates produce additional radiant heat. An H05-series cable rated for 60\u00b0C maximum conductor temperature provides only 10\u201320\u00b0C margin above ambient in these scenarios. H07RN-F&#8217;s 85\u00b0C rating provides 35\u201345\u00b0C margin\u2014comfortable safety factor for sustained operation.<\/p>\n\n    <p><strong>High-Current Industrial Loads:<\/strong> Welding machines operating continuously at 200\u2013300 A create sustained heat generation in power cables. Current-carrying capacity (Ampacity) rating in the Klaus Faber H07RN-F datasheet demonstrates that a 35 mm\u00b2 conductor can carry 165 A continuously in free air at 30\u00b0C ambient and 85\u00b0C conductor temperature. At the same physical dimensions, an H05-series cable would be derated to approximately 130\u2013140 A due to its 60\u00b0C conductor temperature limit.<\/p>\n\n    <p><strong>Extended Service Life Through Thermal Margin:<\/strong> The rubber insulation (EPR EI4) has a temperature-dependent aging rate: each 10\u00b0C increase in temperature approximately doubles the chemical degradation rate (Arrhenius equation). An H05 cable at 60\u00b0C continuous temperature (100% of rating) ages much faster than an H07 cable at 85\u00b0C continuous temperature running the same actual current at lower average conductor temperature due to superior thermal management.<\/p>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s6\">\n    <h2>Triple Environmental Resistance: UV, Oil, and Ozone Protection Technology<\/h2>\n\n    <h3>UV Resistance: Maintaining Mechanical Properties in Direct Sunlight<\/h3>\n    <p>Unprotected rubber exposed to direct sunlight undergoes photodegradation\u2014UV photons break polymer bonds, creating free radicals that initiate chain scission (polymer backbone fracture) and cross-linking (unwanted embrittlement). The effect is visible as surface crazing, color change, and loss of flexibility.<\/p>\n\n    <p>Feichun&#8217;s H07RN-F CR EM2 sheath integrates multiple UV-protection mechanisms: hindered amine light stabilizers (HALS) that quench free radicals before they damage the polymer, UV-absorbing compounds that convert UV photons to heat, and carbon black (controlled amount to maintain color while blocking UV without excessive darkening). Accelerated UV aging tests per ASTM G154 (equivalent to 4\u20135 years natural weathering) show H07RN-F retaining >90% of original tensile strength after equivalent outdoor exposure.<\/p>\n\n    <h3>Oil Resistance: EN 60811-404 Certification<\/h3>\n    <p>Industrial oils\u2014hydraulic fluids (ISO VG 32\u2013100), diesel fuel, machine cutting oils\u2014swell and soften untreated elastomers. Chloroprene (CR) rubber is inherently more resistant to oils than natural or EPDM rubbers due to its chemical structure. Feichun&#8217;s H07RN-F CR EM2 formulation is further enhanced through cross-link optimization and addition of oil-resistance promoters, achieving compliance with EN 60811-404 testing (mineral oil immersion, specified time and temperature).<\/p>\n\n    <h3>Ozone Resistance: Prevention of Surface Cracking<\/h3>\n    <p>Ozone (O3) is a highly reactive oxidant produced by electrical discharge (arc welding, high-voltage switchgear, some air purifiers). Ozone molecules attack rubber at locations of unsaturation (double bonds in the polymer structure) and at crack tips, creating the characteristic spider-web cracking pattern called ozone cracking. Feichun&#8217;s H07RN-F formulation includes antioxidant compounds that preferentially react with atmospheric ozone, protecting the underlying rubber. Cables installed near arc-weld operations show no surface checking even after months of continuous ozone exposure.<\/p>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s7\">\n    <h2>CR EM2 Sheath Engineering: Durability in Coastal and Harsh Environments<\/h2>\n\n    <p>The CR EM2 (chloroprene rubber, thick sheath class) compound used in Feichun&#8217;s H07RN-F cable is engineered for maximum environmental durability across the full \u221225\u00b0C to +55\u00b0C operating range. The design addresses specific failure modes common in harsh outdoor\/industrial environments.<\/p>\n\n    <p><strong>Moisture Resistance:<\/strong> The CR EM2 formulation provides low moisture absorption (< 2% per ASTM D570), critical for cables in marine\/coastal environments where continuous moisture exposure is unavoidable. Low water uptake prevents insulation degradation through humidity-induced electrolysis and prevents swelling-related mechanical stress.<\/p>\n\n    <p><strong>Salt Spray Corrosion Prevention:<\/strong> Marine and coastal applications face continuous salt spray exposure. While the rubber sheath itself is not affected by salt, the moisture permeability must remain low to prevent salt-laden moisture from reaching copper conductors and brass connectors. Feichun&#8217;s CR EM2 formulation acts as a moisture barrier, protecting internal components from galvanic corrosion.<\/p>\n\n    <p><strong>Low-Temperature Flexibility:<\/strong> At \u221225\u00b0C, many rubber formulations become stiff or brittle. Feichun&#8217;s advanced vulcanization process uses plasticizers and cross-link optimization to maintain flexibility at \u221225\u00b0C. On-site field tests from Norwegian and Siberian construction projects confirm H07RN-F cables remain flexible and mechanically reliable at \u221230\u00b0C ambient temperatures.<\/p>\n\n    <p><strong>Thermal Cycling Durability:<\/strong> Outdoor installations experience daily thermal cycling: hot days (50\u00b0C surface temperature), cold nights (\u221210\u00b0C), freeze-thaw cycles in winter. Each cycle creates mechanical stress due to differential thermal expansion. H07RN-F&#8217;s CR EM2 sheath and EPR insulation have been formulated to resist permanent set (deformation) through millions of thermal cycles\u2014cables installed 15+ years ago in outdoor European installations show no degradation in flexibility or electrical properties.<\/p>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s8\">\n    <h2>CPR Classification Eca: Safety and Regulatory Compliance<\/h2>\n\n    <p>H07RN-F carries <strong>CPR Classification Eca per EN 50575<\/strong>\u2014a European Union construction product regulation classification indicating superior reaction-to-fire performance. This classification is mandatory for cables used in enclosed installations, multi-apartment residential buildings, and certain commercial installations.<\/p>\n\n    <p><strong>Eca Classification Meaning:<\/strong> &#8220;Eca&#8221; indicates that the cable meets the highest reaction-to-fire performance: very limited flame spread (FIGRA limit < 120 W\/m), limited heat release (PCS \u2264 3.0 MJ\/m), no flaming droplets, and limited smoke and toxic gas production. Cables classified as Eca can be installed without additional fire protection in most commercial and industrial installations.<\/p>\n\n    <p>Feichun certifies all H07RN-F production through EN ISO 9239 testing (three required test methods: Gross Calorific Potential, Flame Growth, and Smoke Production). Each production batch is tested and certified before shipment.<\/p>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s9\">\n    <h2>Configuration Range: Single-Core to 24-Core Industrial Versatility<\/h2>\n\n    <p>Feichun manufactures H07RN-F in an unprecedented range of configurations to serve every industrial application:<\/p>\n\n    <p><strong>Single-Core Designs (01X1.5 to 01X630 mm\u00b2):<\/strong> For direct power transmission from generators, substations, and distribution panels. Single-core construction provides maximum current-carrying capacity at minimal cable size. Cross-sections from 1.5 mm\u00b2 (18 A) to 630 mm\u00b2 (742 A) enable sizing for loads from small construction tools to major industrial equipment.<\/p>\n\n    <p><strong>Two-Core Designs (02X1 to 02X6 mm\u00b2):<\/strong> For portable equipment with neutral return (appliances, portable generators, temporary power distribution within compact spaces).<\/p>\n\n    <p><strong>Multi-Core Designs (03X\/03G through 24G):<\/strong> For complex industrial control, power distribution, and equipment interconnection. Three-core designs accommodate standard 3-phase + neutral distribution; higher core counts support multiple independent circuits within a single cable, reducing installation complexity on construction sites.<\/p>\n\n    <p><strong>Specialized Color Options:<\/strong> Standard black sheath; yellow (02X1 YE, 02X1.5 YE) and red (03G1.5 RD) variants available for high-visibility safety applications.<\/p>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s10\">\n    <h2>Application Scenarios: Construction, Marine, Industrial, and Temporary Power<\/h2>\n\n    <h3>Construction Site Temporary Power Distribution<\/h3>\n    <p>H07RN-F is the de facto standard for construction site power from main generator through to portable equipment. The cable combines 85\u00b0C thermal rating for high-load sustained operation, UV resistance for months of outdoor exposure, and CPR Eca compliance for enclosed installations (e.g., temporary site offices). Multi-core configurations (03G, 04G, 05G) accommodate 3-phase power distribution plus control circuits for cranes, hoists, and temporary lighting.<\/p>\n\n    <h3>Marine and Coastal Shore Power Systems<\/h3>\n    <p>Yacht clubs, commercial ports, and maritime installations use H07RN-F for shore power connections between fixed distribution panels and vessel shore power receptacles. The cable&#8217;s oil resistance, salt-spray tolerance, and temperature range accommodate the harsh marine environment. Single-core designs up to 50 mm\u00b2 and higher serve high-capacity shore power supplies for large vessels.<\/p>\n\n    <h3>Industrial Outdoor Power Distribution<\/h3>\n    <p>Refineries, chemical plants, and manufacturing facilities often require temporary or semi-permanent outdoor power connections. H07RN-F&#8217;s oil resistance (EN 60811-404) makes it ideal for installations near equipment using hydraulic fluids or thermal fluids. The cable&#8217;s UV and ozone resistance ensures longevity in chemically aggressive industrial environments.<\/p>\n\n    <h3>Portable Industrial Equipment Power<\/h3>\n    <p>Welding machines, compressors, portable generators, and specialized construction equipment use H07RN-F for power delivery. The cable&#8217;s 85\u00b0C rating accommodates sustained high-current operation; Class 5 flexibility supports the coiling and recoiling cycles typical of portable equipment.<\/p>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s11\">\n    <h2>H05RN-F vs. H07RN-F vs. H07RR-F: Selection Matrix<\/h2>\n\n    <div class=\"tw\">\n      <table>\n        <caption>Industrial &#038; Outdoor Cable Selection Guide<\/caption>\n        <thead><tr><th>Attribute<\/th><th>H05RN-F (Household)<\/th><th>H07RN-F (Industrial)<\/th><th>H07RR-F (Industrial Lighter)<\/th><\/tr><\/thead>\n        <tbody>\n          <tr><td>Conductor Temperature<\/td><td>60\u00b0C<\/td><td><strong>85\u00b0C<\/strong><\/td><td>80\u00b0C<\/td><\/tr>\n          <tr><td>Operating Voltage<\/td><td>500 V<\/td><td><strong>750 V<\/strong><\/td><td>750 V<\/td><\/tr>\n          <tr><td>Outdoor\/UV Rated<\/td><td>No<\/td><td><strong>Yes (UV stabilized)<\/strong><\/td><td>Yes (UV stabilized)<\/td><\/tr>\n          <tr><td>Oil Resistant<\/td><td>Moderate (CR)<\/td><td><strong>Yes (EN 60811-404)<\/strong><\/td><td>Moderate<\/td><\/tr>\n          <tr><td>Ozone Resistant<\/td><td>No<\/td><td><strong>Yes<\/strong><\/td><td>Limited<\/td><\/tr>\n          <tr><td>Wet Location Rated<\/td><td>Limited<\/td><td><strong>Yes<\/strong><\/td><td>Yes<\/td><\/tr>\n          <tr><td>CPR Classification<\/td><td>Standard<\/td><td><strong>Eca (Highest)<\/strong><\/td><td>Eca<\/td><\/tr>\n          <tr><td>Max Cross-Section<\/td><td>2.5 mm\u00b2<\/td><td><strong>630 mm\u00b2<\/strong><\/td><td>95 mm\u00b2<\/td><\/tr>\n          <tr><td>Core Count Range<\/td><td>2\u20134 cores<\/td><td><strong>1\u201324 cores<\/strong><\/td><td>1\u20135 cores<\/td><\/tr>\n          <tr><td>Sheath Material<\/td><td>CR EM2<\/td><td><strong>CR EM2 (enhanced)<\/strong><\/td><td>EM3<\/td><\/tr>\n          <tr><td>Ideal Applications<\/td><td>Household, office, kitchen<\/td><td><strong>Construction, marine, industrial, outdoor temporary\/permanent<\/strong><\/td><td>Moderate industrial, light outdoor<\/td><\/tr>\n          <tr><td>Price (per metre)<\/td><td>Lowest<\/td><td>Highest<\/td><td>Medium<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <p><strong>Choose H07RN-F<\/strong> for: Construction sites, outdoor permanent power distribution, marine\/coastal installations, industrial equipment, applications requiring 85\u00b0C thermal margin, full environmental resistance (UV + oil + ozone), maximum current capacity, CPR Eca compliance, extended core count options, or any application where cable failure risk is unacceptable. <strong>Choose H05RN-F<\/strong> for: Indoor household and kitchen use with oil exposure, permanent indoor installations, applications where cost is critical and environmental resistance is unnecessary. <strong>Choose H07RR-F<\/strong> for: Moderate industrial applications, light outdoor use, budget-constrained projects not requiring oil resistance.<\/p>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s12\">\n    <h2>Current Capacity and Cable Sizing Guide<\/h2>\n\n    <p>Feichun&#8217;s H07RN-F datasheet provides detailed ampacity tables per VDE 0298-4 for all configurations. Key sizing principles:<\/p>\n\n    <p><strong>Free Air Installation at 30\u00b0C Ambient:<\/strong> The ampacity table in the Klaus Faber datasheet specifies current ratings for installation in free air at 30\u00b0C ambient temperature with 85\u00b0C maximum conductor temperature. For example, a single-core 01X25 cable is rated 94 A, a 01X50 is 148 A, and a 01X120 is 260 A. These ratings assume passive cooling (no conduit or burial).<\/p>\n\n    <p><strong>De-Rating for Elevated Ambient Temperature:<\/strong> For construction sites in hot climates (ambient 40\u201350\u00b0C), apply de-rating factors: approximately 0.9 at 40\u00b0C, 0.8 at 45\u00b0C, 0.7 at 50\u00b0C. A 01X50 cable rated 148 A at 30\u00b0C derated to 0.8 (45\u00b0C ambient) = 118 A available capacity.<\/p>\n\n    <p><strong>De-Rating for Grouped Cables:<\/strong> When multiple cables are installed in close proximity (bundled or in conduit), heat dissipation is reduced. Apply grouping factors from VDE 0298-4; a bundle of three cables typically uses 0.8 factor.<\/p>\n\n    <p><strong>Voltage Drop Calculation:<\/strong> For 3-phase circuits, voltage drop (%) = (\u221a3 \u00d7 L \u00d7 I \u00d7 R) \/ (U \u00d7 100), where L = length in metres, I = current in Amps, R = conductor resistance in \u03a9\/km, U = line voltage. For extended outdoor runs (50+ metres), select cross-sections to keep voltage drop < 3% (5% for temporary distribution).<\/p>\n\n    <div class=\"note amber\">\n      <div class=\"nt\">Practical Sizing Example: 50-Metre Construction Site Power Run<\/div>\n      <p><strong>Requirements:<\/strong> Supply 3-phase power (400V) from site generator to temporary equipment requiring 100 A at 50 metres distance, 45\u00b0C ambient temperature. <strong>Calculation:<\/strong> Using 01X50 (resistance 0.386 \u03a9\/km): voltage drop = (\u221a3 \u00d7 50 \u00d7 100 \u00d7 0.386) \/ (400 \u00d7 100) = 1.68%\u2014acceptable. At 30\u00b0C ambient, 01X50 carries 148 A; derated to 0.8 (45\u00b0C) = 118 A available\u2014margin above 100 A required is adequate. <strong>Alternative (cost reduction):<\/strong> Using 01X35 (resistance 0.554 \u03a9\/km): voltage drop = 2.4%\u2014slightly higher but acceptable; ampacity at 45\u00b0C = 110 A (135 A \u00d7 0.8)\u2014still adequate. Selection of 01X35 saves cost (~\u20ac0.30\/metre \u00d7 50 m = \u20ac15) versus 01X50.<\/p>\n    <\/div>\n\n  <\/section>\n\n  <section class=\"body\" id=\"s13\">\n    <h2>Technical FAQ<\/h2>\n\n    <h3>Can I use H07RN-F for permanent outdoor installation?<\/h3>\n    <p>Yes. H07RN-F with UV stabilizers and CPR Eca classification is specifically designed for permanent outdoor installations in wet, damp, coastal, and industrial environments. UV-accelerated aging testing confirms >15 year service life in direct sunlight. H05-series cables are not suitable for permanent outdoor use.<\/p>\n\n    <h3>What is the difference between H07RN-F and H07RR-F?<\/h3>\n    <p>H07RN-F uses CR EM2 sheath (enhanced chloroprene) with full UV, oil (EN 60811-404), and ozone resistance. H07RR-F uses EM3 sheath (standard elastomer) with UV stabilization but without industrial oil or ozone resistance. H07RN-F is rated up to 630 mm\u00b2 single-core and 24-core multi-core; H07RR-F typically limited to 95 mm\u00b2 single-core. For industrial\/marine\/outdoor use, H07RN-F is recommended.<\/p>\n\n    <h3>Is H07RN-F rated for marine shore power applications?<\/h3>\n    <p>Yes. H07RN-F is widely used for yacht shore power and port power distribution. The cable&#8217;s salt-spray tolerance, moisture resistance, and oil resistance suit marine environments. Single-core designs up to 50+ mm\u00b2 accommodate high-capacity shore power supplies. Yellow and red color variants improve visibility in port environments.<\/p>\n\n    <h3>What minimum and maximum bending radius for H07RN-F?<\/h3>\n    <p>Per DIN EN 50565-1: Fixed installation 3\u00d7 OD (cables < 8 mm), 4\u00d7 OD (cables \u2265 8 mm). Free movement 5\u00d7 OD (< 8 mm), 6\u00d7 OD (\u2265 8 mm). Cable entry (at connectors) same as free movement. For a 10 mm OD cable, minimum fixed bending = 40 mm, minimum moving = 60 mm.<\/p>\n\n    <h3>How does Feichun&#8217;s H07RN-F price compare to Klaus Faber?<\/h3>\n    <p>Feichun&#8217;s H07RN-F cables are manufactured at approximately 30\u201340% lower cost than Klaus Faber equivalents, while maintaining identical compliance with DIN EN 50525-2-21, CPR Eca classification, and environmental resistance ratings. For large installations (1,000+ metres), Feichun offers volume pricing and expedited delivery (8\u201312 weeks vs. 16\u201324 weeks for European suppliers).<\/p>\n\n  <\/section>\n\n  <section class=\"refs\" id=\"s14\">\n    <h2>References &#038; Standards<\/h2>\n    <ol class=\"rl\">\n      <li>Klaus Faber AG, <em>H07RN-F Rubber Cable \u2014 Product Data Sheet<\/em>, dbl_h07rn.pdf, Issue 04\/06\/2026, pp. 1\u20134.<\/li>\n      <li>DIN EN 50525-2-21 (VDE 0285-525-2-21), <em>Flexible cables and cords \u2014 Requirements and test methods<\/em>, German and European standard.<\/li>\n      <li>EN 50575, <em>Construction products \u2014 Reaction to fire test for products \u2014 Non-classified products and homogeneous products made from non-classified components \u2014 Classification using test data from reaction to fire tests<\/em>.<\/li>\n      <li>IEC 60228:2023, <em>Conductors of insulated cables<\/em>, 4th Edition.<\/li>\n      <li>VDE 0482-332-1-2 \/ IEC 60332-1-2, <em>Test on flammability of insulated wires or cables \u2014 Vertical flame propagation test<\/em>.<\/li>\n      <li>DIN EN 50565-1, <em>Bending radius and tensile strength during installation<\/em>.<\/li>\n      <li>EN 60811-404, <em>Oil resistance testing for rubber sheaths<\/em>.<\/li>\n      <li>ASTM G154, <em>Accelerated UV Weathering Test<\/em>.<\/li>\n      <li>ASTM D1149, <em>Ozone Resistance Testing<\/em>.<\/li>\n      <li>VDE 0298-4, <em>Application of cables and insulated cords in power installations \u2014 Ampacity tables<\/em>.<\/li>\n      <li>GB\/T 467, <em>Cathode copper<\/em>, Chinese National Standard.<\/li>\n    <\/ol>\n  <\/section>\n\n  <div class=\"contact\">\n    <h3>Contact Anhui Feichun Special Cable Co., Ltd. \u2014 H07RN-F Industrial Cable Specialists<\/h3>\n    <div class=\"cg\">\n      <div class=\"ci\"><span class=\"lb\">Technical Specifications &#038; Engineering Design<\/span><a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div>\n      <div class=\"ci\"><span class=\"lb\">Industrial &#038; Construction Project Procurement<\/span><a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div>\n      <div class=\"ci\"><span class=\"lb\">Emergency Support (24\/7)<\/span>+86 138 5608 5607<\/div>\n      <div class=\"ci\"><span class=\"lb\">Technical WhatsApp &#038; WeChat<\/span>+86 138 5512 3218<\/div>\n    <\/div>\n  <\/div>\n\n  <footer class=\"ft\">\n    <p>This technical guide is based on Feichun&#8217;s H07RN-F rubber cable, manufactured per DIN EN 50525-2-21 (VDE 0285-525-2-21) specifications with CPR Classification Eca per EN 50575, featuring advanced vulcanization technology for integrated UV, oil (EN 60811-404), and ozone resistance, Class 5 very flexible Tongling copper conductors, EPR EI4 cross-linked insulation rated for 85\u00b0C continuous conductor temperature, and CR EM2 elastomer outer sheath with comprehensive environmental protection. Available in single-core (1.5\u2013630 mm\u00b2) and multi-core (2-core through 24-core) configurations for industrial, marine, construction, and outdoor power distribution applications. Original technical data from Klaus Faber AG datasheet dbl_h07rn.pdf, Issue 04\/06\/2026. All web sources cited were accessed April 2026. Specifications subject to change. \u00a9 2026 Anhui Feichun Special Cable Co., Ltd. All rights reserved.<\/p>\n  <\/footer>\n\n<\/div>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"The H07RN-F cable represents the pinnacle of DIN EN 50525-2-21 industrial cable performance\u2014engineered specifically for applications where household cables fail. Unlike H05-series cables limited to 60\u00b0C conductor temperature and 500V operating voltage, the H07RN-F operates at 85\u00b0C continuous conductor temperature and 750V nominal voltage, with complete environmental resistance to UV radiation, oils, and ozone degradation.","protected":false},"author":1,"featured_media":10093,"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":[66,94,165,464,1,56],"tags":[16,171,95,152,107,176,111,214],"class_list":["post-10092","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-din-vde-0250-mining-cable","category-drag-chain-cable","category-flexible-cables-with-high-bending-life-and-fatigue-resistance","category-uncategorized","category-reeling-cable","tag-din-vde-0250","tag-explosion-proof-mining-cable","tag-h07rn-f","tag-heavy-duty-mining-cable","tag-heavy-duty-e-loader-mining-cable","tag-icea-s-75-381-2","tag-mining-cable","tag-mining-power-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/10092","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=10092"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/10092\/revisions"}],"predecessor-version":[{"id":10094,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/10092\/revisions\/10094"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/10093"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=10092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=10092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=10092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}