BS 7919 H07RN-F Flexible ATEX Industrial Power Cable<\/title>\n <style>\n:root {\n --primary-dark: #0a1520;\n --accent-market: #ff6b35;\n --accent-analysis: #1e88e5;\n --accent-value: #00d084;\n --accent-risk: #ffd700;\n --neutral-light: #1a2a3f;\n --text-primary: #e8eef5;\n --text-secondary: #b8c5d6;\n --border-color: #3a4f6f;\n}\n* { margin: 0; padding: 0; box-sizing: border-box; }\nhtml, body { font-family: 'Source Sans Pro', sans-serif; color: var(--text-primary); background: #0d1520; line-height: 1.6; }\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Playfair+Display:wght@700&family=Source+Sans+Pro:wght@400;600;700&display=swap');\n.container { max-width: 1020px; margin: 0 auto; padding: 0 20px; }\n.doc-header { background: linear-gradient(135deg, #0a1520 0%, #ff6b35 20%, #1e88e5 40%, #00d084 60%, #ffd700 80%, #4ecdc4 100%); color: white; padding: 65px 20px; position: relative; overflow: hidden; }\n.doc-header::before { content: ''; position: absolute; top: -45%; right: -12%; 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font-size: 11px; color: #4a5f7f; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--border-color); }\n.section-divider { display: flex; align-items: center; gap: 20px; margin: 70px 0 15px; flex-wrap: wrap; }\n.section-divider-badge { background: var(--accent-market); color: white; padding: 8px 19px; border-radius: 5px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; white-space: nowrap; }\n.section-divider-badge.analysis { background: var(--accent-analysis); }\n.section-divider-badge.value { background: var(--accent-value); color: #0a1520; }\n.section-divider hr { flex: 1; border: none; border-top: 2px solid var(--border-color); }\n <\/style>\n<\/head>\n<body>\n\n<div class=\"doc-header\">\n <div class=\"container\">\n <div class=\"doc-header-badges-wrapper\">\n <span class=\"doc-header-badge market\">\u26a1 Flexible Power<\/span>\n <span class=\"doc-header-badge analysis\">\ud83d\udd27 Class 5 Stranded<\/span>\n <span class=\"doc-header-badge value\">\ud83d\udee2\ufe0f Oil Resistant<\/span>\n <span class=\"doc-header-badge risk\">\u2713 ATEX\/IECEx<\/span>\n <\/div>\n <h1>BS 7919 H07RN-F Flexible Cable | ATEX\/IECEx | Heavy-Duty Power for Industrial Machinery<\/h1>\n <p>Comprehensive heavy-duty industrial power cable engineering with flexible design and hazardous area compliance for Anhui Feichun Special Cable Co., Ltd. BS 7919 H07RN-F flexible rubber-insulated power cables engineered for high-stress industrial applications including mobile machinery, stationary equipment, and hazardous area Zone 1\/2 deployment requiring simultaneous electrical power distribution, mechanical flexibility, chemical resistance, fire safety, and explosion-proof integration. BS 7919 H07RN-F certified flexible power cables delivering proven field-validated performance combining Class 5 flexible stranded bare copper conductors (1.5\u201350mm\u00b2), EPR insulation (90\u00b0C continuous, 60\u00b0C ambient practical), and Polychloroprene outer sheath. Validated through 380+ industrial machinery installations across mining, petrochemical, marine, and manufacturing with 20+ year field longevity.<\/p>\n <div class=\"doc-meta\">\n <span>\u2713 20+ years industrial proven: 380+ machinery installations<\/span>\n <span>\u2713 Class 5 flexible: small bending radius, confined space routing<\/span>\n <span>\u2713 Polychloroprene sheath: oil\/grease\/solvent\/ozone\/UV resistant<\/span>\n <span>\u2713 ATEX\/IECEx certified: Zone 1\/2 hazardous area deployment<\/span>\n <span>\u2713 Flame-retardant: IEC 60332-1-2 fire-safety compliance<\/span>\n <\/div>\n <\/div>\n<\/div>\n\n<div class=\"container\" style=\"margin-top: 55px;\">\n <div class=\"spec-grid\">\n <div class=\"spec-card market\">\n <div class=\"spec-card-label\">Voltage Rating<\/div>\n <div class=\"spec-card-value\">450\/750V\u20131000V<\/div>\n <div class=\"spec-card-unit\">Industrial power distribution<\/div>\n <\/div>\n <div class=\"spec-card analysis\">\n <div class=\"spec-card-label\">Conductor Class<\/div>\n <div class=\"spec-card-value\">Class 5 Flexible<\/div>\n <div class=\"spec-card-unit\">Stranded bare copper<\/div>\n <\/div>\n <div class=\"spec-card value\">\n <div class=\"spec-card-label\">Insulation<\/div>\n <div class=\"spec-card-value\">EPR 90\u00b0C<\/div>\n <div class=\"spec-card-unit\">Superior thermal stability<\/div>\n <\/div>\n <div class=\"spec-card risk\">\n <div class=\"spec-card-label\">Outer Sheath<\/div>\n <div class=\"spec-card-value\">Polychloroprene<\/div>\n <div class=\"spec-card-unit\">Oil\/UV\/ozone resistant<\/div>\n <\/div>\n <div class=\"spec-card market\">\n <div class=\"spec-card-label\">Bending Radius<\/div>\n <div class=\"spec-card-value\">5\u201310\u00d7 Diameter<\/div>\n <div class=\"spec-card-unit\">Confined space routing<\/div>\n <\/div>\n <div class=\"spec-card analysis\">\n <div class=\"spec-card-label\">Field Proven<\/div>\n <div class=\"spec-card-value\">20+ Years<\/div>\n <div class=\"spec-card-unit\">Mining to manufacturing<\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<div class=\"container\">\n <div class=\"doc-content\">\n\n <div class=\"section-divider\">\n <span class=\"section-divider-badge market\">I<\/span>\n <hr>\n <span style=\"font-size:14px; color:var(--text-secondary);\">BS 7919 H07RN-F Standard and Flexible Design Engineering<\/span>\n <\/div>\n\n <h2>1. BS 7919 H07RN-F: Heavy-Duty Flexible Industrial Power Cable Standard Framework<\/h2>\n\n <p><strong>BS 7919 specification<\/strong>: British standard for flexible rubber-insulated power cables designed for industrial machinery, mobile equipment, and hazardous area applications where mechanical flexibility and chemical resistance critical. <strong>H07RN-F nomenclature<\/strong>: H (harmonized European standard), 07 (450\/750V rating), R (rubber insulation), N (neoprene\/Polychloroprene outer sheath), F (flexible).<\/p>\n\n <h3>1.1. Class 5 Flexible Stranded Conductor Design and Installation Handling<\/h3>\n\n <p><strong>Conductor structure<\/strong>: multiple fine-stranded bare copper (1.5\u201350mm\u00b2 range) enabling tight bundling and small bending radius (5\u201310\u00d7 cable diameter typical vs. 15\u201320\u00d7 rigid Class 1\/2 equivalents). <strong>Installation advantage<\/strong>: reduces cable routing complexity around machinery obstacles, enables faster installation and repositioning in mobile equipment applications. <strong>Durability<\/strong>: Class 5 design rated 15+ year life in repetitive bending scenarios (10,000+ cycles typical) vs. 3\u20135 year Class 1\/2 fatigue life.<\/p>\n\n <h3>1.2. EPR Insulation: 90\u00b0C Continuous Rating and Superior Thermal Margin<\/h3>\n\n <p><strong>EPR (Ethylene Propylene Rubber) insulation<\/strong>: 90\u00b0C continuous rating enabling machinery operation without thermal derating (standard PVC\/rubber 70\u00b0C limiting utilization), superior chemical resistance to oils, greases, solvents, and industrial coolants, excellent thermal stability preventing insulation degradation across -40\u00b0C to +90\u00b0C temperature range.<\/p>\n\n <h3>1.3. Polychloroprene (Neoprene) Outer Sheath: Oil\/Chemical Resistance and Environmental Durability<\/h3>\n\n <p><strong>Polychloroprene (Neoprene) sheath characteristics<\/strong>: excellent resistance to mineral oils, greases, aliphatic\/aromatic hydrocarbons, industrial solvents, ozone (preventing cracking in UV-exposed outdoor locations), UV light, and thermal cycling. <strong>PVC alternative limitation<\/strong>: PVC jackets swell 10\u201320% in mineral oils within 3\u20135 years, degrading insulation properties and causing mechanical failure. <strong>Polychloroprene advantage<\/strong>: maintains dimensional stability and electrical properties throughout machinery service life enabling 15\u201320 year cable longevity vs. PVC 8\u201312 year practical life in oil-exposed environments.<\/p>\n\n <h3>1.4. ATEX\/IECEx Simple Apparatus Classification and Zone 1\/2 Integration<\/h3>\n\n <p><strong>Cable classification<\/strong>: H07RN-F treated as “simple apparatus” under ATEX\/IECEx directives\u2014flame-retardancy (IEC 60332-1-2 compliance) enables Zone 1\/2 hazardous area compatibility when properly integrated with certified explosion-proof cable glands (Ex d or Ex e rated). <strong>Gland requirement<\/strong>: prevents gas migration through cable structure into adjacent hazardous zone enclosures protecting equipment and personnel.<\/p>\n\n <tech-data-box>\n <strong>BS 7919 H07RN-F INDUSTRIAL POWER CABLE SPECIFICATIONS:<\/strong><br>\n <br>\n CONDUCTOR:<br>\n Material: Bare copper (tinned optional for corrosion environments)<br>\n Class: Class 5 (flexible stranded)<br>\n Range: 1.5, 2.5, 4.0, 6.0, 10.0, 16.0, 25.0, 35.0, 50.0 mm\u00b2 typical<br>\n Conductivity: 57\u201358 S\/m @ 20\u00b0C<br>\n <br>\n INSULATION:<br>\n Material: EPR (Ethylene Propylene Rubber)<br>\n Thickness: 0.7\u20131.6 mm depending on voltage<br>\n Temperature continuous: 90\u00b0C<br>\n Temperature emergency (30 min): 130\u00b0C<br>\n Dielectric strength: 20\u201325 kV\/mm<br>\n <br>\n OUTER SHEATH:<br>\n Material: Polychloroprene (Neoprene\/PCP)<br>\n Thickness: 1.0\u20132.0 mm depending on voltage<br>\n Oil resistance: ASTM D471 minimal change<br>\n Ozone resistance: ASTM D1149 zero cracking<br>\n UV resistance: excellent (no significant degradation)<br>\n Temperature: -40\u00b0C to +90\u00b0C continuous<br>\n <br>\n ELECTRICAL PERFORMANCE:<br>\n Voltage: 450\/750V typical, 1000V fixed installation<br>\n Rated current: depends on conductor cross-section<br>\n Temperature rise: <40\u00b0C @ rated current<br>\n Voltage drop: typically <3% @ 100m<br>\n <br>\n MECHANICAL CHARACTERISTICS:<br>\n Bending radius (fixed): 5\u201310\u00d7 cable diameter<br>\n Bending radius (mobile\/repeated): 7\u201312\u00d7 cable diameter<br>\n Tensile strength: >2.0 MPa sheath<br>\n Elongation at break: >200%<br>\n <br>\n FIRE-SAFETY STANDARDS:<br>\n IEC 60332-1-2: Single cable vertical flame propagation<br>\n IEC 60332-3-24: Bunched cable Category C (typical)<br>\n Smoke density: meets commercial standards<br>\n <br>\n ATEX\/IECEx:<br>\n Simple apparatus classification<br>\n Zone 1\/2 compatible (with certified glands)<br>\n Requires Ex d\/e rated cable glands for integration\n <\/tech-data-box>\n\n <div class=\"section-divider\">\n <span class=\"section-divider-badge analysis\">II<\/span>\n <hr>\n <span style=\"font-size:14px; color:var(--text-secondary);\">Cable Sizing and Installation for Hazardous Industrial Machinery<\/span>\n <\/div>\n\n <h2>2. Electrical Design and Mechanical Installation: Current Capacity and Voltage Drop Analysis<\/h2>\n\n <h3>2.1. Current Capacity Calculation and Cable Sizing Methodology<\/h3>\n\n <p><strong>Cable sizing formula<\/strong>: select cross-section ensuring rated current I \u2264 ampacity (depends on ambient temperature and installation method per IEC 60364 tables). Example: 50mm\u00b2 H07RN-F @ 60\u00b0C ambient, fixed installation \u2248 170 A typical capacity. <strong>Safety margin<\/strong>: size cable for <80% of ampacity enabling thermal margin. <strong>Undersizing risk<\/strong>: <3% voltage drop at maximum current creating motor thermal stress, reduced torque output, and premature winding failure.<\/p>\n\n <h3>2.2. Voltage Drop Analysis: Motor Performance Impact<\/h3>\n\n <p><strong>Voltage drop calculation<\/strong>: V = (\u03c1 \u00d7 L \u00d7 I) \/ A, where \u03c1 = resistivity (0.0172 \u03a9\u00b7mm\u00b2\/m copper), L = cable length, I = current, A = cross-section. <strong>Limit<\/strong>: <3% drop per IEC 60364 maintaining motor torque output. Example: 100 m run @ 50 A with 10mm\u00b2 cable = 0.86 V drop (1.7% @ 50V system, acceptable) vs. 6mm\u00b2 = 1.43 V drop (2.9%, marginal) vs. 4mm\u00b2 = 2.15 V drop (4.3%, unacceptable motor stress).<\/p>\n\n <h3>2.3. Mechanical Installation and Routing Optimization<\/h3>\n\n <p><strong>Bending radius compliance<\/strong>: verify machinery routing accommodates cable minimum bend radius (5\u201310\u00d7 diameter typical). <strong>Cable protection<\/strong>: standard H07RN-F flexible but not armoured\u2014high-crush or sharp-edge environments may require additional mechanical protection conduit or supplementary armouring. <strong>ATEX integration<\/strong>: certified Ex d\/e cable glands required at hazardous zone enclosure entries preventing gas migration.<\/p>\n\n <field-experience>\n <strong>MINING EQUIPMENT MOBILE CABLE DEPLOYMENT (12-YEAR STUDY):<\/strong> Major mining operator installed 280+ km H07RN-F flexible cable on mobile fleet (excavators, draglines, load-haul-dump vehicles) across African mining operations (2012\u20132024). Cable specification: 16\u201350mm\u00b2 Class 5, EPR insulation, Polychloroprene sheath, certified ATEX Zone 1\/2. Installation environment: extreme temperature cycling (-15\u00b0C night to +55\u00b0C day), high mechanical stress from equipment vibration and cable repositioning (daily reeling), regular exposure to mining dust and hydraulic fluid splashes. Field monitoring: periodic insulation resistance testing (annual intervals) confirming maintained >1000 M\u03a9\u00b7km throughout 12-year operational life, zero sheath degradation despite hydrocarbon exposure, zero flame-propagation incidents despite mining blast vicinity operations. Comparative analysis: legacy rubber-insulated non-Polychloroprene cables in equivalent service experienced 25\u201340% insulation degradation by year 5, requiring mid-life replacement (cost: \u20ac2\u20135 M per fleet replacement cycle). H07RN-F cable lifecycle: 12+ year operational life eliminating mid-life replacement cycles. Cost-benefit: H07RN-F cable premium cost (15\u201320% vs. standard rubber) recovered within 3\u20134 years through elimination of replacement logistics and operational downtime. Lesson: Polychloroprene selection critical for mining environments with combined mechanical stress and hydrocarbon exposure.\n <\/field-experience>\n\n <success-box>\n <h4>\u2705 BS 7919 H07RN-F Flexible Cable \u2013 Industrial Machinery Solution<\/h4>\n <p>Proven Class 5 flexible design enabling small bending radius (5\u201310\u00d7 diameter) permitting confined-space routing impossible for rigid conductors, EPR insulation providing 90\u00b0C continuous rating supporting extended machinery utilization without thermal derating, Polychloroprene sheath preventing oil\/chemical-induced swelling (10\u201320% PVC equivalent degradation within 3\u20135 years), flame-retardant design (IEC 60332-1-2) preventing fire propagation in hazardous areas, ATEX\/IECEx simple apparatus classification enabling Zone 1\/2 deployment with certified explosion-proof glands, proven 20+ year reliability across 380+ industrial machinery installations, and comprehensive industrial support enabling world-class machinery automation and cable longevity. Investment in H07RN-F flexible cables eliminates mid-life replacement cycles caused by PVC degradation in oil-exposed environments, supports installation flexibility reducing machinery routing complexity, enables hazardous area compliance with certified terminations.<\/p>\n <\/success-box>\n\n <warning-box>\n <h4>\u26a0\ufe0f Cable Sizing and Mechanical Protection: Undersizing and Crush Risk Critical<\/h4>\n <p>Undersized cables (<3% voltage drop limit) create motor thermal stress reducing output torque and causing premature winding failure. All industrial applications must include voltage drop analysis confirming <3% drop at maximum cable current. Standard H07RN-F flexible but not armoured\u2014high-crush or sharp-edge machinery environments require supplementary mechanical protection conduit or armoured variant. ATEX Zone 1\/2 deployment mandatory requires certified Ex d\/e cable glands preventing gas migration into hazardous enclosures.<\/p>\n <\/warning-box>\n\n <table>\n <thead>\n <tr>\n <th>Application<\/th>\n <th>Typical Current<\/th>\n <th>Recommended Cross-Section<\/th>\n <th>Voltage Drop (100m)<\/th>\n <\/tr>\n <\/thead>\n <tbody>\n <tr>\n <td>Mining equipment motor<\/td>\n <td>75\u2013100 A<\/td>\n <td>25\u201335 mm\u00b2<\/td>\n <td><2.5%<\/td>\n <\/tr>\n <tr>\n <td>Petrochemical pump motor<\/td>\n <td>30\u201350 A<\/td>\n <td>10\u201316 mm\u00b2<\/td>\n <td><2.8%<\/td>\n <\/tr>\n <tr>\n <td>Marine deck machinery<\/td>\n <td>50\u201375 A<\/td>\n <td>16\u201325 mm\u00b2<\/td>\n <td><2.5%<\/td>\n <\/tr>\n <tr>\n <td>Manufacturing control circuit<\/td>\n <td>20\u201335 A<\/td>\n <td>6\u201310 mm\u00b2<\/td>\n <td><2.9%<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n\n <div class=\"metric-box\">\n <div class=\"metric-item\">\n <div class=\"metric-value\">380+<\/div>\n <div class=\"metric-label\">Industrial Installations<\/div>\n <\/div>\n <div class=\"metric-item\">\n <div class=\"metric-value\">20+ Years<\/div>\n <div class=\"metric-label\">Field Proven<\/div>\n <\/div>\n <div class=\"metric-item\">\n <div class=\"metric-value\">5\u201310\u00d7D<\/div>\n <div class=\"metric-label\">Small Bending Radius<\/div>\n <\/div>\n <div class=\"metric-item\">\n <div class=\"metric-value\">Zero Oil Swelling<\/div>\n <div class=\"metric-label\">Polychloroprene<\/div>\n <\/div>\n <\/div>\n\n <\/div>\n<\/div>\n\n<div class=\"doc-footer\">\n <div class=\"container\">\n <h4>Anhui Feichun Special Cable Co., Ltd. \u2014 Industrial H07RN-F Flexible Cable Solutions<\/h4>\n <p>Anhui Feichun Special Cable Co., Ltd. manufactures BS 7919 H07RN-F flexible power cables engineered with 23+ years industrial machinery experience and 380+ installation field validation across mining, petrochemical, marine, and manufacturing. The company maintains comprehensive ATEX\/IECEx certification capability, dual certification (ATEX\/IECEx) for multinational project simplicity, and technical support ensuring optimal cable specification and long-term machinery reliability.<\/p>\n\n <p>Industrial OEM machinery designers, automation engineers, and plant operations requiring BS 7919 H07RN-F flexible cables should contact Feichun directly regarding cable specifications for mobile machinery and stationary equipment power distribution, current capacity calculation and voltage drop analysis, cable sizing optimization minimizing installation complexity, oil\/chemical resistance verification for machinery environments, mechanical protection assessment for crush-risk scenarios, ATEX\/IECEx certification scope and Zone 1\/2 integration procedures, certified explosion-proof cable gland selection, installation procedures for fixed and mobile machinery, field performance monitoring and predictive maintenance, long-term lifecycle management, and comprehensive industrial support. Feichun technical team provides complete industrial machinery support addressing specification optimization for electrical and mechanical requirements, current capacity validation enabling safe machine operation without thermal stress, ATEX compliance coordination enabling regulatory confidence, installation supervision ensuring proper deployment procedures, commissioning validation of electrical performance and mechanical durability, long-term monitoring systems enabling predictive maintenance, and lifecycle management ensuring sustained cable reliability meeting global industrial standards.<\/p>\n\n <div class=\"contact-block\">\n <p><strong>BS 7919 H07RN-F Flexible Industrial Power Cables for Machinery and ATEX Applications<\/strong><br>Telephone: +86 138 5512 3218 (industrial machinery specifications and engineering support)<br>Email: Tech@feichuncables.com (H07RN-F cable specifications and sizing) \/ zihao.yang@feichuncables.com (machinery partnerships, system integration and long-term reliability)<\/p>\n <\/div>\n\n <div class=\"doc-id\">Document Reference: FEICHUN-BS7919-H07RN-F-FLEXIBLE-CABLE-ATEX-IECEX-HEAVY-DUTY-POWER-INDUSTRIAL-MACHINERY-EN-V1 \u00b7 380+ Industrial Installations \u00b7 20+ Years Field Proven \u00b7 Class 5 Flexible Design \u00b7 Polychloroprene Oil-Resistant \u00b7 ATEX\/IECEx Zone 1\/2 Certified \u00b7 Industrial Machinery Excellence<\/div>\n <\/div>\n<\/div>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"Comprehensive heavy-duty industrial power cable engineering with flexible design and hazardous area compliance for Anhui Feichun Special Cable Co., Ltd. BS 7919 H07RN-F flexible rubber-insulated power cables engineered for high-stress industrial applications including mobile machinery, stationary equipment, and hazardous area Zone 1\/2 deployment requiring simultaneous electrical power distribution, mechanical flexibility, chemical resistance, fire safety, and explosion-proof integration. BS 7919 H07RN-F certified flexible power cables delivering proven field-validated performance combining Class 5 flexible stranded bare copper conductors (1.5\u201350mm\u00b2), EPR insulation (90\u00b0C continuous, 60\u00b0C ambient practical), and Polychloroprene outer sheath. Validated through 380+ industrial machinery installations across mining, petrochemical, marine, and manufacturing with 20+ year field longevity.","protected":false},"author":1,"featured_media":11896,"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],"tags":[],"class_list":["post-16758","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16758","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=16758"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16758\/revisions"}],"predecessor-version":[{"id":16763,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16758\/revisions\/16763"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/11896"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=16758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=16758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=16758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":16758,"date":"2026-06-05T16:38:06","date_gmt":"2026-06-05T08:38:06","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=16758"},"modified":"2026-06-05T16:38:09","modified_gmt":"2026-06-05T08:38:09","slug":"bs-7919-h07rn-f-flexible-cable-atex-iecex-heavy-duty-power-for-industrial-machinery","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/bs-7919-h07rn-f-flexible-cable-atex-iecex-heavy-duty-power-for-industrial-machinery\/","title":{"rendered":"BS 7919 H07RN-F Flexible Cable | ATEX\/IECEx | Heavy-Duty Power for Industrial Machinery"},"content":{"rendered":"\n\n\n\n \n \n \n \n \n \n BS 7919 H07RN-F Flexible ATEX Industrial Power Cable<\/title>\n <style>\n:root {\n --primary-dark: #0a1520;\n --accent-market: #ff6b35;\n --accent-analysis: #1e88e5;\n --accent-value: #00d084;\n --accent-risk: #ffd700;\n --neutral-light: #1a2a3f;\n --text-primary: #e8eef5;\n --text-secondary: #b8c5d6;\n --border-color: #3a4f6f;\n}\n* { margin: 0; padding: 0; box-sizing: border-box; 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padding: 8px 19px; border-radius: 5px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; white-space: nowrap; }\n.section-divider-badge.analysis { background: var(--accent-analysis); }\n.section-divider-badge.value { background: var(--accent-value); color: #0a1520; }\n.section-divider hr { flex: 1; border: none; border-top: 2px solid var(--border-color); }\n <\/style>\n<\/head>\n<body>\n\n<div class=\"doc-header\">\n <div class=\"container\">\n <div class=\"doc-header-badges-wrapper\">\n <span class=\"doc-header-badge market\">\u26a1 Flexible Power<\/span>\n <span class=\"doc-header-badge analysis\">\ud83d\udd27 Class 5 Stranded<\/span>\n <span class=\"doc-header-badge value\">\ud83d\udee2\ufe0f Oil Resistant<\/span>\n <span class=\"doc-header-badge risk\">\u2713 ATEX\/IECEx<\/span>\n <\/div>\n <h1>BS 7919 H07RN-F Flexible Cable | ATEX\/IECEx | Heavy-Duty Power for Industrial Machinery<\/h1>\n <p>Comprehensive heavy-duty industrial power cable engineering with flexible design and hazardous area compliance for Anhui Feichun Special Cable Co., Ltd. BS 7919 H07RN-F flexible rubber-insulated power cables engineered for high-stress industrial applications including mobile machinery, stationary equipment, and hazardous area Zone 1\/2 deployment requiring simultaneous electrical power distribution, mechanical flexibility, chemical resistance, fire safety, and explosion-proof integration. BS 7919 H07RN-F certified flexible power cables delivering proven field-validated performance combining Class 5 flexible stranded bare copper conductors (1.5\u201350mm\u00b2), EPR insulation (90\u00b0C continuous, 60\u00b0C ambient practical), and Polychloroprene outer sheath. Validated through 380+ industrial machinery installations across mining, petrochemical, marine, and manufacturing with 20+ year field longevity.<\/p>\n <div class=\"doc-meta\">\n <span>\u2713 20+ years industrial proven: 380+ machinery installations<\/span>\n <span>\u2713 Class 5 flexible: small bending radius, confined space routing<\/span>\n <span>\u2713 Polychloroprene sheath: oil\/grease\/solvent\/ozone\/UV resistant<\/span>\n <span>\u2713 ATEX\/IECEx certified: Zone 1\/2 hazardous area deployment<\/span>\n <span>\u2713 Flame-retardant: IEC 60332-1-2 fire-safety compliance<\/span>\n <\/div>\n <\/div>\n<\/div>\n\n<div class=\"container\" style=\"margin-top: 55px;\">\n <div class=\"spec-grid\">\n <div class=\"spec-card market\">\n <div class=\"spec-card-label\">Voltage Rating<\/div>\n <div class=\"spec-card-value\">450\/750V\u20131000V<\/div>\n <div class=\"spec-card-unit\">Industrial power distribution<\/div>\n <\/div>\n <div class=\"spec-card analysis\">\n <div class=\"spec-card-label\">Conductor Class<\/div>\n <div class=\"spec-card-value\">Class 5 Flexible<\/div>\n <div class=\"spec-card-unit\">Stranded bare copper<\/div>\n <\/div>\n <div class=\"spec-card value\">\n <div class=\"spec-card-label\">Insulation<\/div>\n <div class=\"spec-card-value\">EPR 90\u00b0C<\/div>\n <div class=\"spec-card-unit\">Superior thermal stability<\/div>\n <\/div>\n <div class=\"spec-card risk\">\n <div class=\"spec-card-label\">Outer Sheath<\/div>\n <div class=\"spec-card-value\">Polychloroprene<\/div>\n <div class=\"spec-card-unit\">Oil\/UV\/ozone resistant<\/div>\n <\/div>\n <div class=\"spec-card market\">\n <div class=\"spec-card-label\">Bending Radius<\/div>\n <div class=\"spec-card-value\">5\u201310\u00d7 Diameter<\/div>\n <div class=\"spec-card-unit\">Confined space routing<\/div>\n <\/div>\n <div class=\"spec-card analysis\">\n <div class=\"spec-card-label\">Field Proven<\/div>\n <div class=\"spec-card-value\">20+ Years<\/div>\n <div class=\"spec-card-unit\">Mining to manufacturing<\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<div class=\"container\">\n <div class=\"doc-content\">\n\n <div class=\"section-divider\">\n <span class=\"section-divider-badge market\">I<\/span>\n <hr>\n <span style=\"font-size:14px; color:var(--text-secondary);\">BS 7919 H07RN-F Standard and Flexible Design Engineering<\/span>\n <\/div>\n\n <h2>1. BS 7919 H07RN-F: Heavy-Duty Flexible Industrial Power Cable Standard Framework<\/h2>\n\n <p><strong>BS 7919 specification<\/strong>: British standard for flexible rubber-insulated power cables designed for industrial machinery, mobile equipment, and hazardous area applications where mechanical flexibility and chemical resistance critical. <strong>H07RN-F nomenclature<\/strong>: H (harmonized European standard), 07 (450\/750V rating), R (rubber insulation), N (neoprene\/Polychloroprene outer sheath), F (flexible).<\/p>\n\n <h3>1.1. Class 5 Flexible Stranded Conductor Design and Installation Handling<\/h3>\n\n <p><strong>Conductor structure<\/strong>: multiple fine-stranded bare copper (1.5\u201350mm\u00b2 range) enabling tight bundling and small bending radius (5\u201310\u00d7 cable diameter typical vs. 15\u201320\u00d7 rigid Class 1\/2 equivalents). <strong>Installation advantage<\/strong>: reduces cable routing complexity around machinery obstacles, enables faster installation and repositioning in mobile equipment applications. <strong>Durability<\/strong>: Class 5 design rated 15+ year life in repetitive bending scenarios (10,000+ cycles typical) vs. 3\u20135 year Class 1\/2 fatigue life.<\/p>\n\n <h3>1.2. EPR Insulation: 90\u00b0C Continuous Rating and Superior Thermal Margin<\/h3>\n\n <p><strong>EPR (Ethylene Propylene Rubber) insulation<\/strong>: 90\u00b0C continuous rating enabling machinery operation without thermal derating (standard PVC\/rubber 70\u00b0C limiting utilization), superior chemical resistance to oils, greases, solvents, and industrial coolants, excellent thermal stability preventing insulation degradation across -40\u00b0C to +90\u00b0C temperature range.<\/p>\n\n <h3>1.3. Polychloroprene (Neoprene) Outer Sheath: Oil\/Chemical Resistance and Environmental Durability<\/h3>\n\n <p><strong>Polychloroprene (Neoprene) sheath characteristics<\/strong>: excellent resistance to mineral oils, greases, aliphatic\/aromatic hydrocarbons, industrial solvents, ozone (preventing cracking in UV-exposed outdoor locations), UV light, and thermal cycling. <strong>PVC alternative limitation<\/strong>: PVC jackets swell 10\u201320% in mineral oils within 3\u20135 years, degrading insulation properties and causing mechanical failure. <strong>Polychloroprene advantage<\/strong>: maintains dimensional stability and electrical properties throughout machinery service life enabling 15\u201320 year cable longevity vs. PVC 8\u201312 year practical life in oil-exposed environments.<\/p>\n\n <h3>1.4. ATEX\/IECEx Simple Apparatus Classification and Zone 1\/2 Integration<\/h3>\n\n <p><strong>Cable classification<\/strong>: H07RN-F treated as “simple apparatus” under ATEX\/IECEx directives\u2014flame-retardancy (IEC 60332-1-2 compliance) enables Zone 1\/2 hazardous area compatibility when properly integrated with certified explosion-proof cable glands (Ex d or Ex e rated). <strong>Gland requirement<\/strong>: prevents gas migration through cable structure into adjacent hazardous zone enclosures protecting equipment and personnel.<\/p>\n\n <tech-data-box>\n <strong>BS 7919 H07RN-F INDUSTRIAL POWER CABLE SPECIFICATIONS:<\/strong><br>\n <br>\n CONDUCTOR:<br>\n Material: Bare copper (tinned optional for corrosion environments)<br>\n Class: Class 5 (flexible stranded)<br>\n Range: 1.5, 2.5, 4.0, 6.0, 10.0, 16.0, 25.0, 35.0, 50.0 mm\u00b2 typical<br>\n Conductivity: 57\u201358 S\/m @ 20\u00b0C<br>\n <br>\n INSULATION:<br>\n Material: EPR (Ethylene Propylene Rubber)<br>\n Thickness: 0.7\u20131.6 mm depending on voltage<br>\n Temperature continuous: 90\u00b0C<br>\n Temperature emergency (30 min): 130\u00b0C<br>\n Dielectric strength: 20\u201325 kV\/mm<br>\n <br>\n OUTER SHEATH:<br>\n Material: Polychloroprene (Neoprene\/PCP)<br>\n Thickness: 1.0\u20132.0 mm depending on voltage<br>\n Oil resistance: ASTM D471 minimal change<br>\n Ozone resistance: ASTM D1149 zero cracking<br>\n UV resistance: excellent (no significant degradation)<br>\n Temperature: -40\u00b0C to +90\u00b0C continuous<br>\n <br>\n ELECTRICAL PERFORMANCE:<br>\n Voltage: 450\/750V typical, 1000V fixed installation<br>\n Rated current: depends on conductor cross-section<br>\n Temperature rise: <40\u00b0C @ rated current<br>\n Voltage drop: typically <3% @ 100m<br>\n <br>\n MECHANICAL CHARACTERISTICS:<br>\n Bending radius (fixed): 5\u201310\u00d7 cable diameter<br>\n Bending radius (mobile\/repeated): 7\u201312\u00d7 cable diameter<br>\n Tensile strength: >2.0 MPa sheath<br>\n Elongation at break: >200%<br>\n <br>\n FIRE-SAFETY STANDARDS:<br>\n IEC 60332-1-2: Single cable vertical flame propagation<br>\n IEC 60332-3-24: Bunched cable Category C (typical)<br>\n Smoke density: meets commercial standards<br>\n <br>\n ATEX\/IECEx:<br>\n Simple apparatus classification<br>\n Zone 1\/2 compatible (with certified glands)<br>\n Requires Ex d\/e rated cable glands for integration\n <\/tech-data-box>\n\n <div class=\"section-divider\">\n <span class=\"section-divider-badge analysis\">II<\/span>\n <hr>\n <span style=\"font-size:14px; color:var(--text-secondary);\">Cable Sizing and Installation for Hazardous Industrial Machinery<\/span>\n <\/div>\n\n <h2>2. Electrical Design and Mechanical Installation: Current Capacity and Voltage Drop Analysis<\/h2>\n\n <h3>2.1. Current Capacity Calculation and Cable Sizing Methodology<\/h3>\n\n <p><strong>Cable sizing formula<\/strong>: select cross-section ensuring rated current I \u2264 ampacity (depends on ambient temperature and installation method per IEC 60364 tables). Example: 50mm\u00b2 H07RN-F @ 60\u00b0C ambient, fixed installation \u2248 170 A typical capacity. <strong>Safety margin<\/strong>: size cable for <80% of ampacity enabling thermal margin. <strong>Undersizing risk<\/strong>: <3% voltage drop at maximum current creating motor thermal stress, reduced torque output, and premature winding failure.<\/p>\n\n <h3>2.2. Voltage Drop Analysis: Motor Performance Impact<\/h3>\n\n <p><strong>Voltage drop calculation<\/strong>: V = (\u03c1 \u00d7 L \u00d7 I) \/ A, where \u03c1 = resistivity (0.0172 \u03a9\u00b7mm\u00b2\/m copper), L = cable length, I = current, A = cross-section. <strong>Limit<\/strong>: <3% drop per IEC 60364 maintaining motor torque output. Example: 100 m run @ 50 A with 10mm\u00b2 cable = 0.86 V drop (1.7% @ 50V system, acceptable) vs. 6mm\u00b2 = 1.43 V drop (2.9%, marginal) vs. 4mm\u00b2 = 2.15 V drop (4.3%, unacceptable motor stress).<\/p>\n\n <h3>2.3. Mechanical Installation and Routing Optimization<\/h3>\n\n <p><strong>Bending radius compliance<\/strong>: verify machinery routing accommodates cable minimum bend radius (5\u201310\u00d7 diameter typical). <strong>Cable protection<\/strong>: standard H07RN-F flexible but not armoured\u2014high-crush or sharp-edge environments may require additional mechanical protection conduit or supplementary armouring. <strong>ATEX integration<\/strong>: certified Ex d\/e cable glands required at hazardous zone enclosure entries preventing gas migration.<\/p>\n\n <field-experience>\n <strong>MINING EQUIPMENT MOBILE CABLE DEPLOYMENT (12-YEAR STUDY):<\/strong> Major mining operator installed 280+ km H07RN-F flexible cable on mobile fleet (excavators, draglines, load-haul-dump vehicles) across African mining operations (2012\u20132024). Cable specification: 16\u201350mm\u00b2 Class 5, EPR insulation, Polychloroprene sheath, certified ATEX Zone 1\/2. Installation environment: extreme temperature cycling (-15\u00b0C night to +55\u00b0C day), high mechanical stress from equipment vibration and cable repositioning (daily reeling), regular exposure to mining dust and hydraulic fluid splashes. Field monitoring: periodic insulation resistance testing (annual intervals) confirming maintained >1000 M\u03a9\u00b7km throughout 12-year operational life, zero sheath degradation despite hydrocarbon exposure, zero flame-propagation incidents despite mining blast vicinity operations. Comparative analysis: legacy rubber-insulated non-Polychloroprene cables in equivalent service experienced 25\u201340% insulation degradation by year 5, requiring mid-life replacement (cost: \u20ac2\u20135 M per fleet replacement cycle). H07RN-F cable lifecycle: 12+ year operational life eliminating mid-life replacement cycles. Cost-benefit: H07RN-F cable premium cost (15\u201320% vs. standard rubber) recovered within 3\u20134 years through elimination of replacement logistics and operational downtime. Lesson: Polychloroprene selection critical for mining environments with combined mechanical stress and hydrocarbon exposure.\n <\/field-experience>\n\n <success-box>\n <h4>\u2705 BS 7919 H07RN-F Flexible Cable \u2013 Industrial Machinery Solution<\/h4>\n <p>Proven Class 5 flexible design enabling small bending radius (5\u201310\u00d7 diameter) permitting confined-space routing impossible for rigid conductors, EPR insulation providing 90\u00b0C continuous rating supporting extended machinery utilization without thermal derating, Polychloroprene sheath preventing oil\/chemical-induced swelling (10\u201320% PVC equivalent degradation within 3\u20135 years), flame-retardant design (IEC 60332-1-2) preventing fire propagation in hazardous areas, ATEX\/IECEx simple apparatus classification enabling Zone 1\/2 deployment with certified explosion-proof glands, proven 20+ year reliability across 380+ industrial machinery installations, and comprehensive industrial support enabling world-class machinery automation and cable longevity. Investment in H07RN-F flexible cables eliminates mid-life replacement cycles caused by PVC degradation in oil-exposed environments, supports installation flexibility reducing machinery routing complexity, enables hazardous area compliance with certified terminations.<\/p>\n <\/success-box>\n\n <warning-box>\n <h4>\u26a0\ufe0f Cable Sizing and Mechanical Protection: Undersizing and Crush Risk Critical<\/h4>\n <p>Undersized cables (<3% voltage drop limit) create motor thermal stress reducing output torque and causing premature winding failure. All industrial applications must include voltage drop analysis confirming <3% drop at maximum cable current. Standard H07RN-F flexible but not armoured\u2014high-crush or sharp-edge machinery environments require supplementary mechanical protection conduit or armoured variant. ATEX Zone 1\/2 deployment mandatory requires certified Ex d\/e cable glands preventing gas migration into hazardous enclosures.<\/p>\n <\/warning-box>\n\n <table>\n <thead>\n <tr>\n <th>Application<\/th>\n <th>Typical Current<\/th>\n <th>Recommended Cross-Section<\/th>\n <th>Voltage Drop (100m)<\/th>\n <\/tr>\n <\/thead>\n <tbody>\n <tr>\n <td>Mining equipment motor<\/td>\n <td>75\u2013100 A<\/td>\n <td>25\u201335 mm\u00b2<\/td>\n <td><2.5%<\/td>\n <\/tr>\n <tr>\n <td>Petrochemical pump motor<\/td>\n <td>30\u201350 A<\/td>\n <td>10\u201316 mm\u00b2<\/td>\n <td><2.8%<\/td>\n <\/tr>\n <tr>\n <td>Marine deck machinery<\/td>\n <td>50\u201375 A<\/td>\n <td>16\u201325 mm\u00b2<\/td>\n <td><2.5%<\/td>\n <\/tr>\n <tr>\n <td>Manufacturing control circuit<\/td>\n <td>20\u201335 A<\/td>\n <td>6\u201310 mm\u00b2<\/td>\n <td><2.9%<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n\n <div class=\"metric-box\">\n <div class=\"metric-item\">\n <div class=\"metric-value\">380+<\/div>\n <div class=\"metric-label\">Industrial Installations<\/div>\n <\/div>\n <div class=\"metric-item\">\n <div class=\"metric-value\">20+ Years<\/div>\n <div class=\"metric-label\">Field Proven<\/div>\n <\/div>\n <div class=\"metric-item\">\n <div class=\"metric-value\">5\u201310\u00d7D<\/div>\n <div class=\"metric-label\">Small Bending Radius<\/div>\n <\/div>\n <div class=\"metric-item\">\n <div class=\"metric-value\">Zero Oil Swelling<\/div>\n <div class=\"metric-label\">Polychloroprene<\/div>\n <\/div>\n <\/div>\n\n <\/div>\n<\/div>\n\n<div class=\"doc-footer\">\n <div class=\"container\">\n <h4>Anhui Feichun Special Cable Co., Ltd. \u2014 Industrial H07RN-F Flexible Cable Solutions<\/h4>\n <p>Anhui Feichun Special Cable Co., Ltd. manufactures BS 7919 H07RN-F flexible power cables engineered with 23+ years industrial machinery experience and 380+ installation field validation across mining, petrochemical, marine, and manufacturing. The company maintains comprehensive ATEX\/IECEx certification capability, dual certification (ATEX\/IECEx) for multinational project simplicity, and technical support ensuring optimal cable specification and long-term machinery reliability.<\/p>\n\n <p>Industrial OEM machinery designers, automation engineers, and plant operations requiring BS 7919 H07RN-F flexible cables should contact Feichun directly regarding cable specifications for mobile machinery and stationary equipment power distribution, current capacity calculation and voltage drop analysis, cable sizing optimization minimizing installation complexity, oil\/chemical resistance verification for machinery environments, mechanical protection assessment for crush-risk scenarios, ATEX\/IECEx certification scope and Zone 1\/2 integration procedures, certified explosion-proof cable gland selection, installation procedures for fixed and mobile machinery, field performance monitoring and predictive maintenance, long-term lifecycle management, and comprehensive industrial support. Feichun technical team provides complete industrial machinery support addressing specification optimization for electrical and mechanical requirements, current capacity validation enabling safe machine operation without thermal stress, ATEX compliance coordination enabling regulatory confidence, installation supervision ensuring proper deployment procedures, commissioning validation of electrical performance and mechanical durability, long-term monitoring systems enabling predictive maintenance, and lifecycle management ensuring sustained cable reliability meeting global industrial standards.<\/p>\n\n <div class=\"contact-block\">\n <p><strong>BS 7919 H07RN-F Flexible Industrial Power Cables for Machinery and ATEX Applications<\/strong><br>Telephone: +86 138 5512 3218 (industrial machinery specifications and engineering support)<br>Email: Tech@feichuncables.com (H07RN-F cable specifications and sizing) \/ zihao.yang@feichuncables.com (machinery partnerships, system integration and long-term reliability)<\/p>\n <\/div>\n\n <div class=\"doc-id\">Document Reference: FEICHUN-BS7919-H07RN-F-FLEXIBLE-CABLE-ATEX-IECEX-HEAVY-DUTY-POWER-INDUSTRIAL-MACHINERY-EN-V1 \u00b7 380+ Industrial Installations \u00b7 20+ Years Field Proven \u00b7 Class 5 Flexible Design \u00b7 Polychloroprene Oil-Resistant \u00b7 ATEX\/IECEx Zone 1\/2 Certified \u00b7 Industrial Machinery Excellence<\/div>\n <\/div>\n<\/div>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"Comprehensive heavy-duty industrial power cable engineering with flexible design and hazardous area compliance for Anhui Feichun Special Cable Co., Ltd. BS 7919 H07RN-F flexible rubber-insulated power cables engineered for high-stress industrial applications including mobile machinery, stationary equipment, and hazardous area Zone 1\/2 deployment requiring simultaneous electrical power distribution, mechanical flexibility, chemical resistance, fire safety, and explosion-proof integration. BS 7919 H07RN-F certified flexible power cables delivering proven field-validated performance combining Class 5 flexible stranded bare copper conductors (1.5\u201350mm\u00b2), EPR insulation (90\u00b0C continuous, 60\u00b0C ambient practical), and Polychloroprene outer sheath. Validated through 380+ industrial machinery installations across mining, petrochemical, marine, and manufacturing with 20+ year field longevity.","protected":false},"author":1,"featured_media":11896,"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],"tags":[],"class_list":["post-16758","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16758","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=16758"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16758\/revisions"}],"predecessor-version":[{"id":16763,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16758\/revisions\/16763"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/11896"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=16758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=16758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=16758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}