{"id":5391,"date":"2026-01-29T10:18:24","date_gmt":"2026-01-29T02:18:24","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=5391"},"modified":"2026-01-29T10:18:27","modified_gmt":"2026-01-29T02:18:27","slug":"aluminium-conductors-why-are-aluminium-conductors-strictly-prohibited-in-as-nzs-2802-trailing-cables-despite-the-weight-savings","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/aluminium-conductors-why-are-aluminium-conductors-strictly-prohibited-in-as-nzs-2802-trailing-cables-despite-the-weight-savings\/","title":{"rendered":"Aluminium Conductors: Why Are Aluminium Conductors Strictly Prohibited in AS\/NZS 2802 Trailing Cables Despite the Weight Savings?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Technical Analysis of Material Selection Requirements for Mining Applications<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u94dd\u5bfc\u4f53\uff1a\u5c3d\u7ba1\u91cd\u91cf\u4f18\u52bf\u660e\u663e\uff0c\u4e3a\u4ec0\u4e48AS\/NZS 2802\u62d6\u7f06\u6807\u51c6\u4e25\u683c\u7981\u6b62\u4f7f\u7528\u94dd\u5bfc\u4f53\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"737978\" data-has-transparency=\"false\" style=\"--dominant-color: #737978;\" loading=\"lazy\" decoding=\"async\" width=\"942\" height=\"628\" sizes=\"auto, (max-width: 942px) 100vw, 942px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-675-942x628.avif\" alt=\"\" class=\"wp-image-5392 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-675-942x628.avif 942w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-675-300x200.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-675-768x512.avif 768w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-675-400x267.avif 400w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-675-800x533.avif 800w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-675-832x555.avif 832w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-675.avif 1065w\" \/><\/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=\"Why are aluminium conductors strictly prohibited in AS\/NZS 2802 trailing cables despite weight savings? Technical analysis of copper vs aluminium in mining applications.\">\n    <meta name=\"keywords\" content=\"AS\/NZS 2802, aluminium conductors, copper conductors, trailing cables, mining cables, conductor fatigue, mechanical strength\">\n    <title>Aluminium Conductors Prohibition in AS\/NZS 2802 Trailing Cables &#8211; Anhui Feichun Special Cable<\/title>\n    <style>\n        :root {\n            --bg-primary: #ffffff;\n            --bg-secondary: #f8f9fa;\n            --text-primary: #1a1a1a;\n            --text-secondary: #4a4a4a;\n            --accent-primary: #0066cc;\n            --accent-secondary: #004999;\n            --border-color: #e0e0e0;\n            --table-header: #e8f2ff;\n            --table-row-alt: #f5f9ff;\n            --shadow: rgba(0, 0, 0, 0.1);\n            --warning-bg: #fff3cd;\n            --warning-border: #ff9800;\n            --warning-text: #856404;\n        }\n\n        @media (prefers-color-scheme: dark) {\n            :root {\n                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border-top: 2px solid var(--border-color);\n            color: var(--text-secondary);\n            font-size: 0.9em;\n        }\n\n        @media (max-width: 768px) {\n            header h1 {\n                font-size: 1.6em;\n            }\n            \n            .content-section {\n                padding: 20px;\n            }\n            \n            table {\n                font-size: 0.9em;\n            }\n            \n            th, td {\n                padding: 10px;\n            }\n        }\n    <\/style>\n<\/head>\n<body>\n    <header>\n        <div class=\"container\">\n            <h1>Aluminium Conductors: Why Are Aluminium Conductors Strictly Prohibited in AS\/NZS 2802 Trailing Cables Despite the Weight Savings?<\/h1>\n            <p class=\"subtitle\">Technical Analysis of Material Selection Requirements for Mining Applications<\/p>\n            <p class=\"chinese-title\">\u94dd\u5bfc\u4f53\uff1a\u5c3d\u7ba1\u91cd\u91cf\u4f18\u52bf\u660e\u663e\uff0c\u4e3a\u4ec0\u4e48AS\/NZS 2802\u62d6\u7f06\u6807\u51c6\u4e25\u683c\u7981\u6b62\u4f7f\u7528\u94dd\u5bfc\u4f53\uff1f<\/p>\n            <p class=\"company-name\">Anhui Feichun Special Cable Co., Ltd. <span class=\"chinese-text\">\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/span><\/p>\n        <\/div>\n    <\/header>\n\n    <div class=\"container\">\n        <div class=\"content-section\">\n            <h2>Introduction: The Aluminium Weight Paradox <span class=\"chinese-text\">\u94dd\u6750\u91cd\u91cf\u6096\u8bba\u5f15\u8a00<\/span><\/h2>\n            \n            <p>When engineers first encounter the AS\/NZS 2802 standard for electric reeling and trailing cables used in mining and general industrial applications, a seemingly contradictory requirement immediately stands out. The standard mandates the exclusive use of electrolytic multiple-stranded circular flexible tinned copper wire conductors, explicitly rejecting aluminium despite its well-documented weight advantages. Given that aluminium weighs approximately 30 percent of copper&#8217;s mass for equivalent electrical resistance, this specification appears counterintuitive, particularly for mobile mining equipment where weight reduction directly translates to improved fuel efficiency, reduced structural loading, and enhanced operational flexibility.<\/p>\n            \n            <p class=\"chinese-text\">\u5f53\u5de5\u7a0b\u5e08\u9996\u6b21\u63a5\u89e6AS\/NZS 2802\u6807\u51c6\u65f6\uff0c\u7528\u4e8e\u91c7\u77ff\u548c\u4e00\u822c\u5de5\u4e1a\u5e94\u7528\u7684\u7535\u52a8\u5377\u7b52\u548c\u62d6\u7f06\uff0c\u4e00\u4e2a\u770b\u4f3c\u77db\u76fe\u7684\u8981\u6c42\u7acb\u5373\u51f8\u663e\u51fa\u6765\u3002\u8be5\u6807\u51c6\u5f3a\u5236\u8981\u6c42\u4e13\u95e8\u4f7f\u7528\u7535\u89e3\u591a\u80a1\u5706\u5f62\u67d4\u6027\u9540\u9521\u94dc\u7ebf\u5bfc\u4f53\uff0c\u660e\u786e\u62d2\u7edd\u4f7f\u7528\u94dd\u6750\uff0c\u5c3d\u7ba1\u94dd\u7684\u91cd\u91cf\u4f18\u52bf\u6709\u5145\u5206\u8bb0\u5f55\u3002<\/p>\n\n            <p>However, this specification reflects decades of hard-won operational experience in the demanding environments of surface mining, underground mining operations, and general industrial applications where movable equipment requires reliable power delivery at system voltages from 1100 volts up to and including 33000 volts. The prohibition of aluminium conductors stems from fundamental material properties that become critical failure points under the specific mechanical and electrical stresses encountered in trailing cable applications. Understanding why aluminium is unsuitable requires examining the harsh operational realities of mining environments and the unique demands placed on cables that must continuously flex, drag across rough terrain, and withstand mechanical abuse while maintaining electrical integrity.<\/p>\n            \n            <p class=\"chinese-text\">\u7136\u800c\uff0c\u8fd9\u4e00\u89c4\u8303\u53cd\u6620\u4e86\u6570\u5341\u5e74\u5728\u5730\u8868\u91c7\u77ff\u3001\u5730\u4e0b\u91c7\u77ff\u4f5c\u4e1a\u548c\u4e00\u822c\u5de5\u4e1a\u5e94\u7528\u7684\u82db\u523b\u73af\u5883\u4e2d\u8270\u82e6\u83b7\u5f97\u7684\u8fd0\u8425\u7ecf\u9a8c\uff0c\u5176\u4e2d\u79fb\u52a8\u8bbe\u5907\u9700\u8981\u57281100\u4f0f\u81f333000\u4f0f\u7684\u7cfb\u7edf\u7535\u538b\u4e0b\u53ef\u9760\u4f9b\u7535\u3002<\/p>\n\n            <div class=\"info-box\">\n                <strong>AS\/NZS 2802 Standard Overview <span class=\"chinese-text\">AS\/NZS 2802\u6807\u51c6\u6982\u8ff0<\/span>:<\/strong> This Australian\/New Zealand joint standard specifies requirements for two classes of multicore elastomer insulated and sheathed flexible reeling and trailing cables for surface mining, underground mining (other than coal mining), and general use where movable plant requires electricity supply at system voltages from 1.1\/1.1 kV up to and including 33\/33 kV. The standard explicitly requires flexible stranded tinned annealed copper conductors conforming to AS\/NZS 1125.\n            <\/div>\n        <\/div>\n\n        <div class=\"content-section\">\n            <h2>The Mechanical Stress Reality of Trailing Cables <span class=\"chinese-text\">\u62d6\u7f06\u7684\u673a\u68b0\u5e94\u529b\u73b0\u5b9e<\/span><\/h2>\n\n            <h3>Continuous Flexing and Fatigue Cycles <span class=\"chinese-text\">\u8fde\u7eed\u5f2f\u66f2\u548c\u75b2\u52b3\u5faa\u73af<\/span><\/h3>\n            \n            <p>Trailing cables in mining applications endure mechanical stresses fundamentally different from stationary installation cables. Consider a dragline excavator operating in an open-cut mine. The cable supplying this equipment experiences continuous flexing as the machine rotates through its digging cycle, with the cable being dragged across abrasive surfaces, pulled through debris, and subjected to tension variations as the equipment moves. Research conducted by the European Copper Institute and documented in their publication &#8220;High Conductivity Copper for Electrical Engineering&#8221; demonstrates that copper&#8217;s fatigue limit is 1.6 times higher than aluminium&#8217;s fatigue limit, a critical advantage when cables undergo millions of flex cycles throughout their service life.<\/p>\n            \n            <p class=\"chinese-text\">\u91c7\u77ff\u5e94\u7528\u4e2d\u7684\u62d6\u7f06\u627f\u53d7\u7684\u673a\u68b0\u5e94\u529b\u4e0e\u56fa\u5b9a\u5b89\u88c5\u7535\u7f06\u6839\u672c\u4e0d\u540c\u3002\u8003\u8651\u5728\u9732\u5929\u77ff\u4e2d\u8fd0\u884c\u7684\u62c9\u94f2\u6316\u6398\u673a\u3002\u4e3a\u8be5\u8bbe\u5907\u4f9b\u7535\u7684\u7535\u7f06\u5728\u673a\u5668\u65cb\u8f6c\u6316\u6398\u5faa\u73af\u65f6\u7ecf\u5386\u8fde\u7eed\u5f2f\u66f2\u3002<\/p>\n\n            <p>The fatigue strength differential becomes even more pronounced under the temperature cycling conditions common in mining operations. During periods of heavy electrical load, conductor temperatures can rise significantly, while ambient temperatures may range from below freezing to extreme heat depending on geographic location and season. Aluminium&#8217;s coefficient of thermal expansion is substantially higher than copper&#8217;s coefficient, causing greater dimensional changes during these thermal cycles. According to technical documentation from Prysmian Group, one of the world&#8217;s leading cable manufacturers, aluminium conductors subject to repeated thermal cycling develop microscopic cracks at bending points, eventually propagating into complete conductor failure. Copper&#8217;s superior resistance to this thermal fatigue mechanism provides a critical safety margin in applications where cable failure can result in equipment damage, production losses, or personnel injury.<\/p>\n            \n            <p class=\"chinese-text\">\u5728\u91c7\u77ff\u4f5c\u4e1a\u4e2d\u5e38\u89c1\u7684\u6e29\u5ea6\u5faa\u73af\u6761\u4ef6\u4e0b\uff0c\u75b2\u52b3\u5f3a\u5ea6\u5dee\u5f02\u53d8\u5f97\u66f4\u52a0\u660e\u663e\u3002\u5728\u91cd\u7535\u8d1f\u8f7d\u671f\u95f4\uff0c\u5bfc\u4f53\u6e29\u5ea6\u53ef\u80fd\u663e\u8457\u4e0a\u5347\uff0c\u800c\u73af\u5883\u6e29\u5ea6\u53ef\u80fd\u4ece\u96f6\u5ea6\u4ee5\u4e0b\u5230\u6781\u7aef\u9ad8\u6e29\u4e0d\u7b49\u3002<\/p>\n\n            <h3>Tensile Strength and Mechanical Pulling Stress <span class=\"chinese-text\">\u6297\u62c9\u5f3a\u5ea6\u548c\u673a\u68b0\u62c9\u4f38\u5e94\u529b<\/span><\/h3>\n            \n            <p>The installation and operational phases of trailing cables subject conductors to substantial tensile forces. When trailing cables are pulled through cable trays, around pulleys, or across rough terrain, the conductors must withstand pulling forces without necking, stretching, or breaking. Technical analysis published by Leonardo Energy, the European Copper Institute&#8217;s knowledge-sharing platform, reveals that high conductivity copper withstands between three to six times higher proof stress than low-alloyed aluminium in the annealed condition. This property is quantified using the 0.2 percent proof stress measurement, which indicates the stress required to produce a permanent 0.2 percent plastic lengthening of the conductor.<\/p>\n            \n            <p class=\"chinese-text\">\u62d6\u7f06\u7684\u5b89\u88c5\u548c\u8fd0\u884c\u9636\u6bb5\u4f7f\u5bfc\u4f53\u627f\u53d7\u5927\u91cf\u62c9\u529b\u3002\u5f53\u62d6\u7f06\u901a\u8fc7\u7535\u7f06\u6865\u67b6\u3001\u7ed5\u8fc7\u6ed1\u8f6e\u6216\u7a7f\u8fc7\u5d0e\u5c96\u5730\u5f62\u62c9\u52a8\u65f6\uff0c\u5bfc\u4f53\u5fc5\u987b\u627f\u53d7\u62c9\u529b\u800c\u4e0d\u4f1a\u7f29\u9888\u3001\u62c9\u4f38\u6216\u65ad\u88c2\u3002<\/p>\n\n            <p>In practical mining applications, this strength differential translates directly to reliability. When long runs of aluminium conductor cables are mechanically drawn through containment systems and subjected to high pulling forces, they can stretch and &#8220;neck-down,&#8221; reducing the current-carrying capacity of the cables. This deformation may result in dangerous overheating at reduced cross-sectional areas. In extreme cases, mechanical installation of aluminium conductor cables over long or multidirectional routes can result in irreparable physical damage. Copper conductors, with their ultimate tensile strength measuring 2.8 times higher than aluminium as documented by Nexans, do not share this vulnerability, providing essential reliability for applications where cable replacement involves substantial equipment downtime and safety risks.<\/p>\n            \n            <p class=\"chinese-text\">\u5728\u5b9e\u9645\u91c7\u77ff\u5e94\u7528\u4e2d\uff0c\u8fd9\u79cd\u5f3a\u5ea6\u5dee\u5f02\u76f4\u63a5\u8f6c\u5316\u4e3a\u53ef\u9760\u6027\u3002\u5f53\u957f\u6bb5\u94dd\u5bfc\u4f53\u7535\u7f06\u901a\u8fc7\u5bb9\u7eb3\u7cfb\u7edf\u8fdb\u884c\u673a\u68b0\u7275\u5f15\u5e76\u627f\u53d7\u9ad8\u62c9\u529b\u65f6\uff0c\u5b83\u4eec\u53ef\u80fd\u4f1a\u62c9\u4f38\u548c&#8221;\u7f29\u9888&#8221;\uff0c\u964d\u4f4e\u7535\u7f06\u7684\u8f7d\u6d41\u80fd\u529b\u3002<\/p>\n\n            <div class=\"warning-box\">\n                <strong>Critical Safety Consideration <span class=\"chinese-text\">\u5173\u952e\u5b89\u5168\u8003\u8651<\/span>:<\/strong> Aluminium conductors are subject to nicks, scratches, and &#8220;ringing&#8221; (circumferential scoring) during installation and operation. These flaws can lead to fatigue failure when subjected to movements due to repeated expansion and contraction or vibration. The significantly higher rate of thermal expansion in aluminium when exposed to thermal cycling due to load changes can cause minor flaws to deteriorate into areas of high resistance, creating hot spots or conductor breakage.\n            <\/div>\n        <\/div>\n\n        <div class=\"content-section\">\n            <h2>Flexibility Requirements and Conductor Stranding Limitations <span class=\"chinese-text\">\u67d4\u6027\u8981\u6c42\u548c\u5bfc\u4f53\u7ede\u5408\u9650\u5236<\/span><\/h2>\n\n            <h3>Fine Stranding Availability <span class=\"chinese-text\">\u7ec6\u7ede\u5408\u53ef\u7528\u6027<\/span><\/h3>\n            \n            <p>The AS\/NZS 2802 standard requires cables with exceptional flexibility to accommodate the continuous bending, coiling, and uncoiling that occurs during normal operation. Achieving this flexibility necessitates using finely stranded conductors composed of numerous small-diameter wires twisted together. According to research published in Leonardo Energy&#8217;s technical library and confirmed by industrial cable manufacturer specifications, stranded aluminium is only available in nominal cross-sectional areas of 10 square millimeters and above. Copper, in contrast, is available in very low conductor cross-sections ranging from 0.5 to 10 square millimeters, enabling the production of cables with superior flexibility characteristics.<\/p>\n            \n            <p class=\"chinese-text\">AS\/NZS 2802\u6807\u51c6\u8981\u6c42\u7535\u7f06\u5177\u6709\u5353\u8d8a\u7684\u67d4\u6027\uff0c\u4ee5\u9002\u5e94\u6b63\u5e38\u8fd0\u884c\u671f\u95f4\u53d1\u751f\u7684\u8fde\u7eed\u5f2f\u66f2\u3001\u5377\u7ed5\u548c\u5c55\u5f00\u3002\u5b9e\u73b0\u8fd9\u79cd\u67d4\u6027\u9700\u8981\u4f7f\u7528\u7531\u4f17\u591a\u5c0f\u76f4\u5f84\u7ebf\u6750\u7ede\u5408\u5728\u4e00\u8d77\u7ec4\u6210\u7684\u7ec6\u7ede\u5408\u5bfc\u4f53\u3002<\/p>\n\n            <p>The reason for this limitation lies in the fundamental differences in tensile strength and fatigue endurance limit between the two materials. International standard IEC 60228 divides conductors into flexibility classes, with Class 5 and Class 6 representing highly flexible conductors suitable for mobile applications. While both aluminium and copper materials are permitted for production of Class 1 and Class 2 conductors used in fixed installations, only copper is allowed for production of Class 5 and Class 6 conductors according to Prysmian Group&#8217;s technical documentation. This restriction reflects aluminium&#8217;s inferior mechanical properties that become problematic in flexible applications. The finest aluminium conductors available are significantly stiffer than the finest copper conductors, making them unsuitable for the continuous flexing demands of trailing cable service.<\/p>\n            \n            <p class=\"chinese-text\">\u8fd9\u79cd\u9650\u5236\u7684\u539f\u56e0\u5728\u4e8e\u4e24\u79cd\u6750\u6599\u4e4b\u95f4\u6297\u62c9\u5f3a\u5ea6\u548c\u75b2\u52b3\u8010\u4e45\u6781\u9650\u7684\u6839\u672c\u5dee\u5f02\u3002\u56fd\u9645\u6807\u51c6IEC 60228\u5c06\u5bfc\u4f53\u5206\u4e3a\u67d4\u6027\u7b49\u7ea7\uff0cClass 5\u548cClass 6\u4ee3\u8868\u9002\u7528\u4e8e\u79fb\u52a8\u5e94\u7528\u7684\u9ad8\u67d4\u6027\u5bfc\u4f53\u3002<\/p>\n\n            <h3>Bending Radius and Cable Diameter Implications <span class=\"chinese-text\">\u5f2f\u66f2\u534a\u5f84\u548c\u7535\u7f06\u76f4\u5f84\u5f71\u54cd<\/span><\/h3>\n            \n            <p>For equivalent conductivity, an aluminium conductor must have a cross-sectional area 1.56 times larger than a copper conductor. This increased cross-section directly impacts cable flexibility, as the bending force required to flex a cable is proportional to the square of the conductor&#8217;s cross-sectional area and thus to the fourth power of the diameter. Technical comparisons conducted by Prysmian demonstrate that when comparing aluminium and copper cables with the same current-carrying capacity, the cable total diameter increases by 17 percent, conductor diameter increases by 27 percent, and the bending radius requirement increases by 17 percent when using aluminium. These dimensional increases create practical handling difficulties and limit the minimum reel diameters that can be used for cable storage and deployment.<\/p>\n            \n            <p class=\"chinese-text\">\u5bf9\u4e8e\u7b49\u6548\u7684\u5bfc\u7535\u6027\uff0c\u94dd\u5bfc\u4f53\u5fc5\u987b\u5177\u6709\u6bd4\u94dc\u5bfc\u4f53\u59271.56\u500d\u7684\u6a2a\u622a\u9762\u79ef\u3002\u8fd9\u79cd\u589e\u52a0\u7684\u6a2a\u622a\u9762\u76f4\u63a5\u5f71\u54cd\u7535\u7f06\u67d4\u6027\uff0c\u56e0\u4e3a\u5f2f\u66f2\u7535\u7f06\u6240\u9700\u7684\u5f2f\u66f2\u529b\u4e0e\u5bfc\u4f53\u6a2a\u622a\u9762\u79ef\u7684\u5e73\u65b9\u6210\u6b63\u6bd4\u3002<\/p>\n\n            <p>In mining applications where trailing cables must navigate around equipment, through cable trays, and over pulleys with limited space constraints, these dimensional increases translate to operational difficulties. The larger bend radius requirements for aluminium cables necessitate larger cable reels and more generous clearances around mechanical equipment. For mobile mining equipment operating in confined spaces or following complex cable paths, these geometric constraints can make aluminium-conductor cables impractical regardless of their weight advantages.<\/p>\n            \n            <p class=\"chinese-text\">\u5728\u91c7\u77ff\u5e94\u7528\u4e2d\uff0c\u62d6\u7f06\u5fc5\u987b\u7ed5\u8fc7\u8bbe\u5907\u3001\u901a\u8fc7\u7535\u7f06\u6865\u67b6\u548c\u6709\u9650\u7a7a\u95f4\u7ea6\u675f\u7684\u6ed1\u8f6e\uff0c\u8fd9\u4e9b\u5c3a\u5bf8\u589e\u52a0\u8f6c\u5316\u4e3a\u64cd\u4f5c\u56f0\u96be\u3002\u94dd\u7f06\u7684\u8f83\u5927\u5f2f\u66f2\u534a\u5f84\u8981\u6c42\u9700\u8981\u66f4\u5927\u7684\u7535\u7f06\u5377\u7b52\u548c\u673a\u68b0\u8bbe\u5907\u5468\u56f4\u66f4\u5bbd\u655e\u7684\u95f4\u9699\u3002<\/p>\n        <\/div>\n\n        <div class=\"content-section\">\n            <h2>Connection Integrity and Creep Phenomena <span class=\"chinese-text\">\u8fde\u63a5\u5b8c\u6574\u6027\u548c\u8815\u53d8\u73b0\u8c61<\/span><\/h2>\n\n            <h3>Cold Flow and Connection Degradation <span class=\"chinese-text\">\u51b7\u6d41\u548c\u8fde\u63a5\u9000\u5316<\/span><\/h3>\n            \n            <p>Electrical connections represent critical points in any power distribution system, and the material properties affecting connection reliability become paramount in mobile applications subject to vibration and mechanical stress. Aluminium exhibits a phenomenon known as &#8220;cold flow&#8221; or &#8220;creep,&#8221; where the metal physically deforms under sustained mechanical stress even at room temperature. When pressure is applied to create electrical connections using bolted terminals or compression lugs, aluminium conductors can gradually deform and flow out from under the connection hardware. This deformation reduces the contact surface area and contact pressure, leading to increased electrical resistance at the connection point.<\/p>\n            \n            <p class=\"chinese-text\">\u7535\u6c14\u8fde\u63a5\u4ee3\u8868\u4efb\u4f55\u914d\u7535\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u70b9\uff0c\u5f71\u54cd\u8fde\u63a5\u53ef\u9760\u6027\u7684\u6750\u6599\u7279\u6027\u5728\u53d7\u632f\u52a8\u548c\u673a\u68b0\u5e94\u529b\u5f71\u54cd\u7684\u79fb\u52a8\u5e94\u7528\u4e2d\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u94dd\u8868\u73b0\u51fa\u4e00\u79cd\u79f0\u4e3a&#8221;\u51b7\u6d41&#8221;\u6216&#8221;\u8815\u53d8&#8221;\u7684\u73b0\u8c61\u3002<\/p>\n\n            <p>Technical documentation from Nexans clarifies that copper shows good resistance to creep, which is essential to avoid relaxation of contact pressure and maintain components of complex shape. Aluminium, however, exhibits evidence of significant creep at room temperature, whereas a similar rate of creep is only shown by high conductivity copper at temperatures exceeding 150 degrees Celsius. In trailing cable applications where connections may be subjected to vibration, thermal cycling, and mechanical movement, this creep behavior in aluminium connections progressively degrades connection quality, potentially leading to high-resistance connections that generate excessive heat and pose fire risks.<\/p>\n            \n            <p class=\"chinese-text\">Nexans\u7684\u6280\u672f\u6587\u6863\u9610\u660e\uff0c\u94dc\u663e\u793a\u51fa\u826f\u597d\u7684\u6297\u8815\u53d8\u6027\uff0c\u8fd9\u5bf9\u4e8e\u907f\u514d\u63a5\u89e6\u538b\u529b\u677e\u5f1b\u548c\u4fdd\u6301\u590d\u6742\u5f62\u72b6\u7684\u7ec4\u4ef6\u81f3\u5173\u91cd\u8981\u3002\u7136\u800c\uff0c\u94dd\u5728\u5ba4\u6e29\u4e0b\u8868\u73b0\u51fa\u663e\u8457\u7684\u8815\u53d8\u8bc1\u636e\u3002<\/p>\n\n            <h3>Special Hardware Requirements and Maintenance Complexity <span class=\"chinese-text\">\u7279\u6b8a\u786c\u4ef6\u8981\u6c42\u548c\u7ef4\u62a4\u590d\u6742\u6027<\/span><\/h3>\n            \n            <p>The use of aluminium conductors necessitates special connection hardware and installation practices that significantly increase system complexity and maintenance requirements. When aluminium conductors must be connected to copper equipment terminals, bimetallic connectors are required to prevent galvanic corrosion at the aluminium-copper interface. According to Anixter&#8217;s technical reference materials, connectors rated for use with aluminium are frequently marked as such with designations like &#8220;AL7CU,&#8221; indicating suitability for use with copper or aluminium conductors at specified temperatures. These specialized connectors command premium pricing compared to standard copper-only hardware.<\/p>\n            \n            <p class=\"chinese-text\">\u4f7f\u7528\u94dd\u5bfc\u4f53\u9700\u8981\u7279\u6b8a\u7684\u8fde\u63a5\u786c\u4ef6\u548c\u5b89\u88c5\u5b9e\u8df5\uff0c\u8fd9\u663e\u8457\u589e\u52a0\u4e86\u7cfb\u7edf\u590d\u6742\u6027\u548c\u7ef4\u62a4\u8981\u6c42\u3002\u5f53\u94dd\u5bfc\u4f53\u5fc5\u987b\u8fde\u63a5\u5230\u94dc\u8bbe\u5907\u7aef\u5b50\u65f6\uff0c\u9700\u8981\u53cc\u91d1\u5c5e\u8fde\u63a5\u5668\u4ee5\u9632\u6b62\u94dd\u94dc\u754c\u9762\u5904\u7684\u7535\u5316\u5b66\u8150\u8680\u3002<\/p>\n\n            <p>Furthermore, the pressing and crimping of aluminium cable terminations requires very precise technique and specialized tools to ensure adequate contact pressure without damaging the conductor. The oxide layer that forms naturally on aluminium surfaces presents an additional complication, as this layer has high electrical resistance and must be removed before making connections. Oxide-inhibiting compounds must then be applied to prevent oxidation recurrence. These additional requirements make field repairs and connection modifications more complex and time-consuming in mining environments, where maintenance personnel may need to work quickly under adverse conditions to restore power to critical equipment.<\/p>\n            \n            <p class=\"chinese-text\">\u6b64\u5916\uff0c\u94dd\u7f06\u7aef\u63a5\u7684\u538b\u63a5\u548c\u538b\u7d27\u9700\u8981\u975e\u5e38\u7cbe\u786e\u7684\u6280\u672f\u548c\u4e13\u7528\u5de5\u5177\uff0c\u4ee5\u786e\u4fdd\u8db3\u591f\u7684\u63a5\u89e6\u538b\u529b\u800c\u4e0d\u4f1a\u635f\u574f\u5bfc\u4f53\u3002\u94dd\u8868\u9762\u81ea\u7136\u5f62\u6210\u7684\u6c27\u5316\u5c42\u5e26\u6765\u4e86\u989d\u5916\u7684\u590d\u6742\u6027\u3002<\/p>\n\n            <table>\n                <thead>\n                    <tr>\n                        <th>Property <span class=\"chinese-text\">\u7279\u6027<\/span><\/th>\n                        <th>Copper <span class=\"chinese-text\">\u94dc<\/span><\/th>\n                        <th>Aluminium <span class=\"chinese-text\">\u94dd<\/span><\/th>\n                        <th>Impact on Trailing Cables <span class=\"chinese-text\">\u5bf9\u62d6\u7f06\u7684\u5f71\u54cd<\/span><\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>Fatigue Limit Ratio <span class=\"chinese-text\">\u75b2\u52b3\u6781\u9650\u6bd4<\/span><\/td>\n                        <td class=\"specification-value\">1.6\u00d7 Higher<\/td>\n                        <td>Baseline<\/td>\n                        <td>Copper withstands millions more flex cycles <span class=\"chinese-text\">\u94dc\u627f\u53d7\u6570\u767e\u4e07\u6b21\u66f4\u591a\u7684\u5f2f\u66f2\u5faa\u73af<\/span><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Ultimate Tensile Strength <span class=\"chinese-text\">\u6781\u9650\u6297\u62c9\u5f3a\u5ea6<\/span><\/td>\n                        <td class=\"specification-value\">2.8\u00d7 Higher<\/td>\n                        <td>Baseline<\/td>\n                        <td>Reduced risk of necking and breaking during installation <span class=\"chinese-text\">\u51cf\u5c11\u5b89\u88c5\u671f\u95f4\u7f29\u9888\u548c\u65ad\u88c2\u7684\u98ce\u9669<\/span><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>0.2% Proof Stress <span class=\"chinese-text\">0.2%\u5c48\u670d\u5e94\u529b<\/span><\/td>\n                        <td class=\"specification-value\">3-6\u00d7 Higher<\/td>\n                        <td>Baseline<\/td>\n                        <td>Maintains integrity under pulling forces <span class=\"chinese-text\">\u5728\u62c9\u529b\u4e0b\u4fdd\u6301\u5b8c\u6574\u6027<\/span><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Minimum Stranded Size <span class=\"chinese-text\">\u6700\u5c0f\u7ede\u5408\u5c3a\u5bf8<\/span><\/td>\n                        <td class=\"specification-value\">0.5 mm\u00b2<\/td>\n                        <td>10 mm\u00b2<\/td>\n                        <td>Copper enables finer stranding for flexibility <span class=\"chinese-text\">\u94dc\u5b9e\u73b0\u66f4\u7ec6\u7684\u7ede\u5408\u4ee5\u63d0\u9ad8\u67d4\u6027<\/span><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Creep at Room Temperature <span class=\"chinese-text\">\u5ba4\u6e29\u8815\u53d8<\/span><\/td>\n                        <td class=\"specification-value\">Minimal<\/td>\n                        <td>Significant<\/td>\n                        <td>Copper maintains stable connections <span class=\"chinese-text\">\u94dc\u4fdd\u6301\u7a33\u5b9a\u7684\u8fde\u63a5<\/span><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Conductor Cross-Section (Equal Ampacity) <span class=\"chinese-text\">\u5bfc\u4f53\u6a2a\u622a\u9762\uff08\u7b49\u8f7d\u6d41\u91cf\uff09<\/span><\/td>\n                        <td class=\"specification-value\">Baseline<\/td>\n                        <td>156% Larger<\/td>\n                        <td>Aluminium requires larger diameter, reduced flexibility <span class=\"chinese-text\">\u94dd\u9700\u8981\u66f4\u5927\u76f4\u5f84\uff0c\u964d\u4f4e\u67d4\u6027<\/span><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Bending Radius Requirement <span class=\"chinese-text\">\u5f2f\u66f2\u534a\u5f84\u8981\u6c42<\/span><\/td>\n                        <td class=\"specification-value\">Baseline<\/td>\n                        <td>17% Larger<\/td>\n                        <td>Aluminium needs more space for routing <span class=\"chinese-text\">\u94dd\u9700\u8981\u66f4\u591a\u7684\u5e03\u7ebf\u7a7a\u95f4<\/span><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Oxidation Resistance <span class=\"chinese-text\">\u6297\u6c27\u5316\u6027<\/span><\/td>\n                        <td class=\"specification-value\">Excellent<\/td>\n                        <td>Poor (requires treatment)<\/td>\n                        <td>Copper maintains reliable connections without special treatment <span class=\"chinese-text\">\u94dc\u65e0\u9700\u7279\u6b8a\u5904\u7406\u5373\u53ef\u4fdd\u6301\u53ef\u9760\u8fde\u63a5<\/span><\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\n        <\/div>\n\n        <div class=\"content-section\">\n            <h2>Environmental Degradation and Corrosion Resistance <span class=\"chinese-text\">\u73af\u5883\u9000\u5316\u548c\u6297\u8150\u8680\u6027<\/span><\/h2>\n\n            <h3>Surface Oxidation and Electrical Performance <span class=\"chinese-text\">\u8868\u9762\u6c27\u5316\u548c\u7535\u6c14\u6027\u80fd<\/span><\/h3>\n            \n            <p>Mining environments expose cables to harsh conditions including moisture, chemical contaminants, temperature extremes, and abrasive materials. The behavior of conductor materials under these environmental stresses significantly impacts long-term cable reliability. Copper demonstrates exceptional resistance to most organic chemicals and can operate indefinitely in most industrial environments. While a green patina may form after long exposure to atmospheric conditions, this surface film is actually protective and does not affect electrical performance. According to Leonardo Energy&#8217;s technical documentation, the protection of copper is unnecessary even in salty offshore environments where corrosion concerns are paramount.<\/p>\n            \n            <p class=\"chinese-text\">\u91c7\u77ff\u73af\u5883\u4f7f\u7535\u7f06\u66b4\u9732\u5728\u6076\u52a3\u6761\u4ef6\u4e0b\uff0c\u5305\u62ec\u6e7f\u6c14\u3001\u5316\u5b66\u6c61\u67d3\u7269\u3001\u6781\u7aef\u6e29\u5ea6\u548c\u78e8\u6599\u3002\u5bfc\u4f53\u6750\u6599\u5728\u8fd9\u4e9b\u73af\u5883\u5e94\u529b\u4e0b\u7684\u884c\u4e3a\u663e\u8457\u5f71\u54cd\u957f\u671f\u7535\u7f06\u53ef\u9760\u6027\u3002<\/p>\n\n            <p>Aluminium presents a contrasting behavior profile. The metal readily forms an oxide layer when exposed to air, and while this oxide provides some protection against further oxidation, it creates electrical problems. The aluminium oxide layer has high electrical resistance, requiring removal before making electrical connections and application of oxide-inhibiting compounds to prevent reformation. In marine environments or locations with high humidity and salt exposure, galvanic corrosion becomes a particular concern when aluminium comes into contact with other metals. This electrochemical reaction can physically deteriorate the aluminium conductor, compromising both mechanical and electrical properties.<\/p>\n            \n            <p class=\"chinese-text\">\u94dd\u5448\u73b0\u51fa\u5bf9\u6bd4\u9c9c\u660e\u7684\u884c\u4e3a\u7279\u5f81\u3002\u91d1\u5c5e\u66b4\u9732\u4e8e\u7a7a\u6c14\u65f6\u5bb9\u6613\u5f62\u6210\u6c27\u5316\u5c42\uff0c\u867d\u7136\u8fd9\u5c42\u6c27\u5316\u7269\u5bf9\u8fdb\u4e00\u6b65\u6c27\u5316\u63d0\u4f9b\u4e86\u4e00\u4e9b\u4fdd\u62a4\uff0c\u4f46\u5b83\u4f1a\u9020\u6210\u7535\u6c14\u95ee\u9898\u3002<\/p>\n\n            <h3>Solderability and Repair Considerations <span class=\"chinese-text\">\u53ef\u710a\u6027\u548c\u7ef4\u4fee\u8003\u8651<\/span><\/h3>\n            \n            <p>Field repairs represent an inevitable requirement in mining operations, where cable damage from abrasion, impact, or environmental factors can occur despite protective measures. The ability to quickly and reliably repair conductor damage directly impacts operational uptime and maintenance costs. Copper ranks among the easiest metals to solder, and for this reason, combined with its conductivity, finds many applications where good joint integrity is essential. Standard electrical soldering techniques and materials work effectively with copper conductors, enabling field technicians to make reliable repairs using conventional equipment.<\/p>\n            \n            <p class=\"chinese-text\">\u73b0\u573a\u7ef4\u4fee\u662f\u91c7\u77ff\u4f5c\u4e1a\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u8981\u6c42\uff0c\u5c3d\u7ba1\u91c7\u53d6\u4e86\u4fdd\u62a4\u63aa\u65bd\uff0c\u4f46\u78e8\u635f\u3001\u51b2\u51fb\u6216\u73af\u5883\u56e0\u7d20\u9020\u6210\u7684\u7535\u7f06\u635f\u574f\u4ecd\u53ef\u80fd\u53d1\u751f\u3002\u5feb\u901f\u53ef\u9760\u5730\u4fee\u590d\u5bfc\u4f53\u635f\u574f\u7684\u80fd\u529b\u76f4\u63a5\u5f71\u54cd\u8fd0\u8425\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u548c\u7ef4\u62a4\u6210\u672c\u3002<\/p>\n\n            <p>Aluminium, conversely, is difficult to solder using conventional techniques. The oxide layer that forms on aluminium surfaces must be mechanically or chemically removed, and special fluxes are required to prevent rapid re-oxidation during the soldering process. Specialist solders with specific alloy compositions are necessary for aluminium connections. These requirements make field repairs of aluminium conductor cables more complex, requiring specialized training, tools, and materials that may not be readily available at remote mining sites. In applications where rapid restoration of power is critical to avoid costly equipment downtime, this repair complexity represents a significant operational disadvantage.<\/p>\n            \n            <p class=\"chinese-text\">\u76f8\u53cd\uff0c\u94dd\u4f7f\u7528\u5e38\u89c4\u6280\u672f\u96be\u4ee5\u710a\u63a5\u3002\u94dd\u8868\u9762\u5f62\u6210\u7684\u6c27\u5316\u5c42\u5fc5\u987b\u901a\u8fc7\u673a\u68b0\u6216\u5316\u5b66\u65b9\u6cd5\u53bb\u9664\uff0c\u5e76\u4e14\u9700\u8981\u7279\u6b8a\u52a9\u710a\u5242\u4ee5\u9632\u6b62\u710a\u63a5\u8fc7\u7a0b\u4e2d\u5feb\u901f\u518d\u6c27\u5316\u3002<\/p>\n        <\/div>\n\n        <div class=\"content-section\">\n            <h2>Operational Safety and Risk Management <span class=\"chinese-text\">\u8fd0\u8425\u5b89\u5168\u548c\u98ce\u9669\u7ba1\u7406<\/span><\/h2>\n\n            <h3>Failure Modes and Consequences <span class=\"chinese-text\">\u6545\u969c\u6a21\u5f0f\u548c\u540e\u679c<\/span><\/h3>\n            \n            <p>The safety implications of conductor material selection extend beyond simple electrical performance to encompass the entire spectrum of potential failure mechanisms and their consequences. When trailing cables fail in mining operations, the results can range from minor production interruptions to catastrophic events involving fire, electric shock, or equipment damage. The superior mechanical properties of copper conductors reduce the likelihood of several critical failure modes. Copper&#8217;s resistance to fatigue cracking means cables are less likely to develop open circuits or intermittent connections that can cause arcing and spark generation. In mining environments where combustible materials or explosive atmospheres may be present, this reliability represents a fundamental safety consideration.<\/p>\n            \n            <p class=\"chinese-text\">\u5bfc\u4f53\u6750\u6599\u9009\u62e9\u7684\u5b89\u5168\u5f71\u54cd\u4e0d\u4ec5\u9650\u4e8e\u7b80\u5355\u7684\u7535\u6c14\u6027\u80fd\uff0c\u8fd8\u5305\u62ec\u6f5c\u5728\u6545\u969c\u673a\u5236\u53ca\u5176\u540e\u679c\u7684\u6574\u4e2a\u8303\u56f4\u3002\u5f53\u91c7\u77ff\u4f5c\u4e1a\u4e2d\u7684\u62d6\u7f06\u53d1\u751f\u6545\u969c\u65f6\uff0c\u7ed3\u679c\u53ef\u80fd\u4ece\u8f7b\u5fae\u7684\u751f\u4ea7\u4e2d\u65ad\u5230\u6d89\u53ca\u706b\u707e\u3001\u7535\u51fb\u6216\u8bbe\u5907\u635f\u574f\u7684\u707e\u96be\u6027\u4e8b\u4ef6\u3002<\/p>\n\n            <p>Aluminium conductors, with their greater susceptibility to nicks, scratches, and fatigue failures, present elevated risks of developing high-resistance faults that generate excessive heat. According to safety bulletins published by Resources Safety and Health Queensland, high-potential incidents involving trailing cables have included cases where environmental exposure combined with mechanical stress led to short circuits and cable disintegration. The probability of such events increases when conductor materials with inferior mechanical properties are employed in demanding applications. The AS\/NZS 2802 standard&#8217;s restriction to copper conductors reflects a risk-management decision prioritizing operational safety over weight savings.<\/p>\n            \n            <p class=\"chinese-text\">\u94dd\u5bfc\u4f53\u5bf9\u5212\u75d5\u3001\u522e\u64e6\u548c\u75b2\u52b3\u5931\u6548\u5177\u6709\u66f4\u5927\u7684\u654f\u611f\u6027\uff0c\u5448\u73b0\u51fa\u4ea7\u751f\u4ea7\u751f\u8fc7\u591a\u70ed\u91cf\u7684\u9ad8\u7535\u963b\u6545\u969c\u7684\u98ce\u9669\u5347\u9ad8\u3002\u6839\u636e\u6606\u58eb\u5170\u5dde\u8d44\u6e90\u5b89\u5168\u4e0e\u5065\u5eb7\u5c40\u53d1\u5e03\u7684\u5b89\u5168\u516c\u62a5\u3002<\/p>\n\n            <h3>Life-Cycle Cost Analysis <span class=\"chinese-text\">\u751f\u547d\u5468\u671f\u6210\u672c\u5206\u6790<\/span><\/h3>\n            \n            <p>While aluminium conductors offer lower initial material costs and weight savings that appear attractive in procurement decisions, comprehensive life-cycle cost analysis reveals a different economic picture. The European Copper Institute&#8217;s white paper &#8220;A Comparative Evaluation of Copper and Aluminium Wires and Cables in Building Installations&#8221; demonstrates that when examining lifetime costs rather than purchase price alone, there remains no economic advantage to using initially less expensive aluminium rather than the more technically performant copper. This conclusion applies with even greater force to mining trailing cable applications where operational reliability directly impacts production economics.<\/p>\n            \n            <p class=\"chinese-text\">\u867d\u7136\u94dd\u5bfc\u4f53\u63d0\u4f9b\u8f83\u4f4e\u7684\u521d\u59cb\u6750\u6599\u6210\u672c\u548c\u5728\u91c7\u8d2d\u51b3\u7b56\u4e2d\u770b\u4f3c\u6709\u5438\u5f15\u529b\u7684\u91cd\u91cf\u8282\u7701\uff0c\u4f46\u5168\u9762\u7684\u751f\u547d\u5468\u671f\u6210\u672c\u5206\u6790\u63ed\u793a\u4e86\u4e0d\u540c\u7684\u7ecf\u6d4e\u524d\u666f\u3002\u6b27\u6d32\u94dc\u4e1a\u7814\u7a76\u6240\u7684\u767d\u76ae\u4e66\u5c55\u793a\u4e86\u5f53\u68c0\u67e5\u751f\u547d\u5468\u671f\u6210\u672c\u800c\u4e0d\u4ec5\u4ec5\u662f\u8d2d\u4e70\u4ef7\u683c\u65f6\u3002<\/p>\n\n            <p>The cost factors extending beyond initial purchase include reduced maintenance requirements for copper cables, lower failure rates resulting in fewer production interruptions, simpler connection hardware without the need for specialized bimetallic components, easier field repairs using standard equipment and techniques, and longer service life due to superior resistance to fatigue and environmental degradation. When a trailing cable failure causes a dragline excavator or continuous miner to cease operation, the production losses and emergency repair costs can exceed the cable&#8217;s purchase price within hours. This operational reality explains why mining operators consistently specify copper conductor cables despite their higher initial cost and greater weight.<\/p>\n            \n            <p class=\"chinese-text\">\u8d85\u51fa\u521d\u59cb\u8d2d\u4e70\u7684\u6210\u672c\u56e0\u7d20\u5305\u62ec\u94dc\u7f06\u7684\u7ef4\u62a4\u8981\u6c42\u964d\u4f4e\u3001\u6545\u969c\u7387\u964d\u4f4e\u5bfc\u81f4\u751f\u4ea7\u4e2d\u65ad\u51cf\u5c11\u3001\u65e0\u9700\u4e13\u7528\u53cc\u91d1\u5c5e\u90e8\u4ef6\u7684\u66f4\u7b80\u5355\u8fde\u63a5\u786c\u4ef6\u3001\u4f7f\u7528\u6807\u51c6\u8bbe\u5907\u548c\u6280\u672f\u8fdb\u884c\u66f4\u7b80\u5355\u7684\u73b0\u573a\u7ef4\u4fee\uff0c\u4ee5\u53ca\u7531\u4e8e\u5353\u8d8a\u7684\u6297\u75b2\u52b3\u548c\u73af\u5883\u9000\u5316\u6027\u800c\u5ef6\u957f\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n\n            <div class=\"warning-box\">\n                <strong>Industry Consensus Position <span class=\"chinese-text\">\u884c\u4e1a\u5171\u8bc6\u7acb\u573a<\/span>:<\/strong> The exclusive specification of copper conductors in AS\/NZS 2802 represents international mining industry consensus developed through decades of operational experience. Similar requirements appear in equivalent international standards including IEC standards, MSHA regulations in the United States, and mining cable specifications worldwide. This convergence reflects universal recognition that the mechanical property advantages of copper are essential for reliable operation in demanding mobile power applications.\n            <\/div>\n        <\/div>\n\n        <div class=\"content-section\">\n            <h2>Technical Standards and Industry Best Practices <span class=\"chinese-text\">\u6280\u672f\u6807\u51c6\u548c\u884c\u4e1a\u6700\u4f73\u5b9e\u8df5<\/span><\/h2>\n\n            <h3>AS\/NZS 2802 Conductor Specifications <span class=\"chinese-text\">AS\/NZS 2802\u5bfc\u4f53\u89c4\u683c<\/span><\/h3>\n            \n            <p>The AS\/NZS 2802:2000 standard, incorporating Amendment Number 1 from December 2003, provides explicit requirements for conductor construction in trailing and reeling cables. Section 5.1 titled &#8220;Power and Earth Conductors&#8221; specifies that conductors shall consist of electrolytic multiple-stranded circular flexible tinned copper wire manufactured using rope lay construction conforming to AS\/NZS 1125. This specification applies to all cable types within the standard, from Type 409 low-voltage cables through Type 455 high-voltage variants rated for 33 kilovolt operation. The standard permits no alternatives or substitutions, reflecting the critical importance of copper&#8217;s material properties for these applications.<\/p>\n            \n            <p class=\"chinese-text\">AS\/NZS 2802:2000\u6807\u51c6\uff0c\u7eb3\u5165\u4e862003\u5e7412\u6708\u7684\u7b2c1\u53f7\u4fee\u6b63\u6848\uff0c\u4e3a\u62d6\u7f06\u548c\u5377\u7b52\u7535\u7f06\u4e2d\u7684\u5bfc\u4f53\u7ed3\u6784\u63d0\u4f9b\u4e86\u660e\u786e\u7684\u8981\u6c42\u3002\u6807\u9898\u4e3a&#8221;\u7535\u6e90\u548c\u63a5\u5730\u5bfc\u4f53&#8221;\u7684\u7b2c5.1\u8282\u89c4\u5b9a\u3002<\/p>\n\n            <p>The requirement for tinned copper specifically addresses oxidation concerns in harsh environments. The tin plating provides additional corrosion protection while maintaining excellent electrical conductivity and solderability. The rope lay construction specification ensures maximum flexibility by using multiple layers of fine strands twisted in opposite directions, a construction technique that would be impossible to achieve with aluminium due to its inferior mechanical properties. Conductor sizes specified in the standard range from 16 square millimeters to 300 square millimeters, with precise dimensional tolerances and current-carrying capacity calculations provided in comprehensive tables throughout the standard documentation.<\/p>\n            \n            <p class=\"chinese-text\">\u9540\u9521\u94dc\u7684\u8981\u6c42\u4e13\u95e8\u89e3\u51b3\u4e86\u6076\u52a3\u73af\u5883\u4e2d\u7684\u6c27\u5316\u95ee\u9898\u3002\u9521\u9540\u5c42\u63d0\u4f9b\u989d\u5916\u7684\u9632\u8150\u4fdd\u62a4\uff0c\u540c\u65f6\u4fdd\u6301\u4f18\u5f02\u7684\u5bfc\u7535\u6027\u548c\u53ef\u710a\u6027\u3002\u7ef3\u7d22\u7ede\u5408\u7ed3\u6784\u89c4\u8303\u901a\u8fc7\u4f7f\u7528\u76f8\u53cd\u65b9\u5411\u626d\u66f2\u7684\u591a\u5c42\u7ec6\u7ede\u7ebf\u786e\u4fdd\u6700\u5927\u67d4\u6027\u3002<\/p>\n\n            <h3>International Standards Alignment <span class=\"chinese-text\">\u56fd\u9645\u6807\u51c6\u5bf9\u9f50<\/span><\/h3>\n            \n            <p>The prohibition of aluminium conductors in mining trailing cables extends beyond Australian and New Zealand practice to represent a global industry standard. The International Electrotechnical Commission&#8217;s IEC 60228 standard governing conductors for insulated cables includes specific restrictions on aluminium use in flexible applications. Similarly, the United States Mine Safety and Health Administration regulations specified in 30 CFR Part 18 for electric motor-driven mine equipment and trailing cables mandate minimum conductor sizes and construction standards that effectively require copper for portable and trailing cable applications due to the mechanical properties needed.<\/p>\n            \n            <p class=\"chinese-text\">\u91c7\u77ff\u62d6\u7f06\u4e2d\u94dd\u5bfc\u4f53\u7684\u7981\u4ee4\u4e0d\u4ec5\u9650\u4e8e\u6fb3\u5927\u5229\u4e9a\u548c\u65b0\u897f\u5170\u7684\u5b9e\u8df5\uff0c\u800c\u662f\u4ee3\u8868\u4e86\u5168\u7403\u884c\u4e1a\u6807\u51c6\u3002\u56fd\u9645\u7535\u5de5\u59d4\u5458\u4f1a\u7684IEC 60228\u6807\u51c6\u7ba1\u7406\u7edd\u7f18\u7535\u7f06\u7684\u5bfc\u4f53\u3002<\/p>\n\n            <p>European mining cable manufacturers including Prysmian Group, Nexans, and Tratos Cavi uniformly specify copper conductors for mining trailing and reeling cable products, aligning with AS\/NZS 2802 requirements. This international consistency reflects shared understanding of the technical requirements for mobile power distribution in mining applications and the unsuitable nature of aluminium conductors for these demanding service conditions.<\/p>\n            \n            <p class=\"chinese-text\">\u5305\u62ec\u666e\u777f\u53f8\u66fc\u96c6\u56e2\u3001\u8010\u514b\u68ee\u548cTratos Cavi\u5728\u5185\u7684\u6b27\u6d32\u91c7\u77ff\u7535\u7f06\u5236\u9020\u5546\u4e00\u81f4\u4e3a\u91c7\u77ff\u62d6\u7f06\u548c\u5377\u7b52\u7535\u7f06\u4ea7\u54c1\u6307\u5b9a\u94dc\u5bfc\u4f53\uff0c\u4e0eAS\/NZS 2802\u8981\u6c42\u4e00\u81f4\u3002<\/p>\n        <\/div>\n\n        <div class=\"content-section\">\n            <h2>Conclusion: Engineering Decisions Based on Operational Reality <span class=\"chinese-text\">\u7ed3\u8bba\uff1a\u57fa\u4e8e\u8fd0\u8425\u73b0\u5b9e\u7684\u5de5\u7a0b\u51b3\u7b56<\/span><\/h2>\n            \n            <p>The strict prohibition of aluminium conductors in AS\/NZS 2802 trailing cables, despite the material&#8217;s significant weight advantages, represents a fundamental engineering decision prioritizing operational reliability, safety, and long-term performance over initial cost and weight savings. This specification reflects decades of industry experience demonstrating that aluminium&#8217;s inferior mechanical properties make it fundamentally unsuitable for applications involving continuous flexing, mechanical stress, and harsh environmental exposure.<\/p>\n            \n            <p class=\"chinese-text\">AS\/NZS 2802\u62d6\u7f06\u4e2d\u4e25\u683c\u7981\u6b62\u94dd\u5bfc\u4f53\uff0c\u5c3d\u7ba1\u8be5\u6750\u6599\u5177\u6709\u663e\u8457\u7684\u91cd\u91cf\u4f18\u52bf\uff0c\u4ee3\u8868\u4e86\u4e00\u9879\u57fa\u672c\u7684\u5de5\u7a0b\u51b3\u7b56\uff0c\u4f18\u5148\u8003\u8651\u8fd0\u8425\u53ef\u9760\u6027\u3001\u5b89\u5168\u6027\u548c\u957f\u671f\u6027\u80fd\uff0c\u800c\u4e0d\u662f\u521d\u59cb\u6210\u672c\u548c\u91cd\u91cf\u8282\u7701\u3002<\/p>\n\n            <p>The comprehensive technical analysis presented demonstrates that copper&#8217;s advantages in fatigue resistance, tensile strength, flexibility capability, creep resistance, connection integrity, and environmental durability are not marginal improvements but rather essential characteristics for reliable trailing cable operation. The 1.6 times higher fatigue limit, 2.8 times higher ultimate tensile strength, and three to six times higher proof stress of copper compared to aluminium translate directly to reduced failure rates, extended service life, and enhanced operational safety in mining applications.<\/p>\n            \n            <p class=\"chinese-text\">\u6240\u63d0\u4f9b\u7684\u7efc\u5408\u6280\u672f\u5206\u6790\u8868\u660e\uff0c\u94dc\u5728\u75b2\u52b3\u62b5\u6297\u3001\u6297\u62c9\u5f3a\u5ea6\u3001\u67d4\u6027\u80fd\u529b\u3001\u6297\u8815\u53d8\u6027\u3001\u8fde\u63a5\u5b8c\u6574\u6027\u548c\u73af\u5883\u8010\u4e45\u6027\u65b9\u9762\u7684\u4f18\u52bf\u4e0d\u662f\u8fb9\u9645\u6539\u8fdb\uff0c\u800c\u662f\u53ef\u9760\u62d6\u7f06\u8fd0\u884c\u7684\u57fa\u672c\u7279\u6027\u3002<\/p>\n\n            <p>For mining operators, electrical engineers, and procurement professionals working with AS\/NZS 2802 applications, understanding these material property differences provides essential context for specification compliance and system design decisions. While the weight savings offered by aluminium conductors remain attractive in certain stationary applications, the unique mechanical and environmental demands of trailing cable service categorically require the superior properties that only copper conductors can provide. The AS\/NZS 2802 standard&#8217;s restriction to copper represents not an arbitrary specification but rather a carefully considered requirement ensuring the safety and reliability that mining operations demand.<\/p>\n            \n            <p class=\"chinese-text\">\u5bf9\u4e8e\u4e0eAS\/NZS 2802\u5e94\u7528\u76f8\u5173\u7684\u91c7\u77ff\u8fd0\u8425\u5546\u3001\u7535\u6c14\u5de5\u7a0b\u5e08\u548c\u91c7\u8d2d\u4e13\u4e1a\u4eba\u5458\uff0c\u7406\u89e3\u8fd9\u4e9b\u6750\u6599\u6027\u80fd\u5dee\u5f02\u4e3a\u89c4\u8303\u5408\u89c4\u6027\u548c\u7cfb\u7edf\u8bbe\u8ba1\u51b3\u7b56\u63d0\u4f9b\u4e86\u57fa\u672c\u80cc\u666f\u3002<\/p>\n        <\/div>\n\n        <div class=\"contact-section\">\n            <h2>Contact Anhui Feichun Special Cable Co., Ltd. <span class=\"chinese-text\">\u8054\u7cfb\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/span><\/h2>\n            <p>For technical consultation, AS\/NZS 2802 compliant cable specifications, and mining cable solutions, contact our engineering team. <span class=\"chinese-text\">\u5982\u9700\u6709\u5173AS\/NZS 2802\u5408\u89c4\u7535\u7f06\u89c4\u683c\u548c\u91c7\u77ff\u7535\u7f06\u89e3\u51b3\u65b9\u6848\u7684\u6280\u672f\u54a8\u8be2\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\u7684\u5de5\u7a0b\u56e2\u961f\u3002<\/span><\/p>\n            \n            <div class=\"contact-grid\">\n                <div class=\"contact-item\">\n                    <div class=\"contact-label\">WhatsApp <span class=\"chinese-text\">\u5fae\u4fe1\/\u7535\u8bdd<\/span><\/div>\n                    <div class=\"contact-value\">+86 13855123218<\/div>\n                <\/div>\n                <div class=\"contact-item\">\n                    <div class=\"contact-label\">Technical Support <span class=\"chinese-text\">\u6280\u672f\u652f\u6301<\/span><\/div>\n                    <div class=\"contact-value\"><a href=\"mailto:tech@feichuncables.com\" rel=\"nofollow\" class=\"reference-link\">tech@feichuncables.com<\/a><\/div>\n                <\/div>\n                <div class=\"contact-item\">\n                    <div class=\"contact-label\">Sales Engineer 1 <span class=\"chinese-text\">\u9500\u552e\u5de5\u7a0b\u5e081<\/span><\/div>\n                    <div class=\"contact-value\"><a href=\"mailto:zihao.yang@feichuncables.com\" rel=\"nofollow\" class=\"reference-link\">zihao.yang@feichuncables.com<\/a><\/div>\n                <\/div>\n                <div class=\"contact-item\">\n                    <div class=\"contact-label\">Sales Engineer 2 <span class=\"chinese-text\">\u9500\u552e\u5de5\u7a0b\u5e082<\/span><\/div>\n                    <div class=\"contact-value\"><a href=\"mailto:ziyu.huang@feichuncables.com\" rel=\"nofollow\" class=\"reference-link\">ziyu.huang@feichuncables.com<\/a><\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n\n        <div class=\"references\">\n            <h3>Technical References and Standards <span class=\"chinese-text\">\u6280\u672f\u53c2\u8003\u548c\u6807\u51c6<\/span><\/h3>\n            \n            <div class=\"reference-item\">\n                Standards Australia. &#8220;AS\/NZS 2802:2000 (Incorporating Amendment No. 1) &#8211; Electric cables &#8211; Reeling and trailing &#8211; For mining and general use (other than underground coal mining).&#8221; December 2003. <a href=\"https:\/\/www.standards.org.au\/standards-catalogue\/standard-details?designation=as-nzs-2802-2000\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/www.standards.org.au\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                European Copper Institute. &#8220;Copper has high fatigue strength.&#8221; Leonardo Energy Knowledge Platform. <a href=\"https:\/\/help.leonardo-energy.org\/hc\/en-us\/articles\/207900965-Copper-has-high-fatigue-strength\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/help.leonardo-energy.org\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                European Copper Institute. &#8220;Copper has high yield strength.&#8221; Leonardo Energy Technical Library. <a href=\"https:\/\/help.leonardo-energy.org\/hc\/en-us\/articles\/207190219-Copper-has-high-yield-strength\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/help.leonardo-energy.org\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                European Copper Institute. &#8220;What makes the better flexible stranded conductor: copper or aluminium?&#8221; Technical Documentation. <a href=\"https:\/\/help.leonardo-energy.org\/hc\/en-us\/articles\/202835431\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/help.leonardo-energy.org\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                European Copper Institute. &#8220;Why use copper rather than aluminium as the conductor in power cables?&#8221; Leonardo Energy Technical Reference. <a href=\"https:\/\/help.leonardo-energy.org\/hc\/en-us\/articles\/205394842\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/help.leonardo-energy.org\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                Prysmian Group. &#8220;Aluminum cables or copper cables?&#8221; Technical Article, December 2023. <a href=\"https:\/\/tr.prysmian.com\/en\/media\/technical-article\/aluminum-cables-or-copper-cables\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/tr.prysmian.com\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                Nexans. &#8220;Aluminium versus copper &#8211; Technical Comparison.&#8221; Cable Technology Documentation. <a href=\"https:\/\/www.nexans.be\/en\/business\/Building-Territories\/Building\/Distributors\/Aluminium-versus-Copper.html\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/www.nexans.be\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                Anixter, Inc. &#8220;Copper vs. Aluminum Conductors &#8211; Technical Comparison.&#8221; Wire Wisdom Technical Library. <a href=\"https:\/\/www.anixter.com\/en_us\/resources\/literature\/wire-wisdom\/copper-vs-aluminum-conductors.html\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/www.anixter.com\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                International Wire Group. &#8220;Aluminum vs. Copper Conductors &#8211; Material Property Comparison.&#8221; Technical Blog, February 2025. <a href=\"https:\/\/internationalwire.com\/blog\/aluminum-vs-copper-conductors\/\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/internationalwire.com\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                Resources Safety &#038; Health Queensland. &#8220;Handling and management of surface trailing cables.&#8221; Mines Safety Bulletin No. 6, April 2000. <a href=\"https:\/\/www.rshq.qld.gov.au\/safety-notices\/mines\/handling-and-management-of-surface-trailing-cables\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/www.rshq.qld.gov.au\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                Amplex Mining. &#8220;Cable Guide for the Mining Industry: Types, Installation &#038; Safety Tips.&#8221; Technical Documentation, June 2025. <a href=\"https:\/\/www.amplexmining.com.au\/cable-guide-for-the-mining-industry-types-installation-and-safety-tips\" rel=\"nofollow noopener\" class=\"reference-link\" target=\"_blank\">https:\/\/www.amplexmining.com.au\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                Feichun Special Cable. &#8220;What Are the Differences Between Various Cable Types in the AS Standard?&#8221; Technical Blog, October 2025. <a href=\"https:\/\/feichuncables.com\/blog\/what-are-the-differences-between-various-cable-types-in-the-as-standard\/\" rel=\"nofollow\" class=\"reference-link\">https:\/\/feichuncables.com\/<\/a>\n            <\/div>\n            \n            <div class=\"reference-item\">\n                European Copper Institute. &#8220;High Conductivity Copper for Electrical Engineering.&#8221; Publication No. Cu0232, February 2016.\n            <\/div>\n            \n            <div class=\"reference-item\">\n                European Copper Institute. &#8220;A Comparative Evaluation of Copper and Aluminium Wires and Cables in Building Installations.&#8221; White Paper Publication No. Cu0172, December 2015.\n            <\/div>\n        <\/div>\n\n        <footer>\n            <p>&copy; 2026 Anhui Feichun Special Cable Co., Ltd. <span class=\"chinese-text\">\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/span> | All Rights Reserved <span class=\"chinese-text\">\u7248\u6743\u6240\u6709<\/span><\/p>\n            <p>Professional Mining Cable Solutions Compliant with AS\/NZS 2802<\/p>\n            <p class=\"chinese-text\">\u7b26\u5408AS\/NZS 2802\u6807\u51c6\u7684\u4e13\u4e1a\u91c7\u77ff\u7535\u7f06\u89e3\u51b3\u65b9\u6848<\/p>\n        <\/footer>\n    <\/div>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"When engineers first encounter the AS\/NZS 2802 standard for electric reeling and trailing cables used in mining and general industrial applications, a seemingly contradictory requirement immediately stands out. The standard mandates the exclusive use of electrolytic multiple-stranded circular flexible tinned copper wire conductors, explicitly rejecting aluminium despite its well-documented weight advantages. Given that aluminium weighs approximately 30 percent of copper&#8217;s mass for equivalent electrical resistance, this specification appears counterintuitive, particularly for mobile mining equipment where weight reduction directly translates to improved fuel efficiency, reduced structural loading, and enhanced operational flexibility.\n\u5f53\u5de5\u7a0b\u5e08\u9996\u6b21\u63a5\u89e6AS\/NZS 2802\u6807\u51c6\u65f6\uff0c\u7528\u4e8e\u91c7\u77ff\u548c\u4e00\u822c\u5de5\u4e1a\u5e94\u7528\u7684\u7535\u52a8\u5377\u7b52\u548c\u62d6\u7f06\uff0c\u4e00\u4e2a\u770b\u4f3c\u77db\u76fe\u7684\u8981\u6c42\u7acb\u5373\u51f8\u663e\u51fa\u6765\u3002\u8be5\u6807\u51c6\u5f3a\u5236\u8981\u6c42\u4e13\u95e8\u4f7f\u7528\u7535\u89e3\u591a\u80a1\u5706\u5f62\u67d4\u6027\u9540\u9521\u94dc\u7ebf\u5bfc\u4f53\uff0c\u660e\u786e\u62d2\u7edd\u4f7f\u7528\u94dd\u6750\uff0c\u5c3d\u7ba1\u94dd\u7684\u91cd\u91cf\u4f18\u52bf\u6709\u5145\u5206\u8bb0\u5f55\u3002","protected":false},"author":1,"featured_media":5392,"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":[222,66],"tags":[37380,37387,37379,37382,37385,37386,37377,37361,37442,37357,36997,4012,37391,37392,37364,37360,37359,16,1079,4017,36564,1687,171,832,152,107,176,37393,2441,111,37356,139,214,204,1696,37404,3739,37401,17,1697,5151,22240,1908,37362,2790,37358,4071,4154,4250,4257,4302,37363,4348,1091,37448,37403,37368,37419,11987,37375,37411,37430,37405,37415,37432,37446,37429,37408,37390,37420,37422,37402,37394,37439,37434,37427,37388,37398,37400,37383,37366,37381,37365,36431,37406,37423,37374,37414,36567,37370,37444,37397,37424,37399,37445,37431,37410,31878,37437,37435,37412,37417,37426,37378,37447,37436,37449,31718,37421,37384,37376,37428,33571,37443,37416,37396,37395,37193,37418,37413,37373,37407,37367,37438,37433,37440,37369,37372,37409,37389,37371,37425,33120,36425,37441],"class_list":["post-5391","post","type-post","status-publish","format-standard","has-post-thumbnail","category-as-nzs-1802-reeling-cables-for-underground-mining","category-common-problems-encountered-in-cable-applications","tag-37380","tag-37387","tag-37379","tag-37382","tag-37385","tag-37386","tag-37377","tag-aluminium-conductor-prohibition","tag-as-nzs-1125","tag-as-nzs-2802-standard","tag-as-nzs-2802","tag-australian-mining-cable-standard","tag-class-5","tag-class-6","tag-conductor-fatigue-strength","tag-copper-conductor-requirement","tag-copper-vs-aluminium-conductors","tag-din-vde-0250","tag-dragline-cable","tag-elastomer-insulated-cable","tag-epr","tag-excavator-trailing-cable","tag-explosion-proof-mining-cable","tag-flexible-reeling-cable","tag-heavy-duty-mining-cable","tag-heavy-duty-e-loader-mining-cable","tag-icea-s-75-381-2","tag-iec-60228","tag-mechanical-stress-cable","tag-mining-cable","tag-mining-cable-conductors","tag-mining-cables","tag-mining-power-cable","tag-mining-trailing-cable","tag-mobile-equipment-cable","tag-msha","tag-new-zealand-mining-cable","tag-pcp","tag-reeling-cable","tag-reeling-cable-specification","tag-rope-lay-conductor","tag-stranded-copper-wire","tag-surface-mining-cable","tag-tensile-strength-comparison","tag-tinned-copper-conductor","tag-trailing-cable-aluminium","tag-type-409-mining-cable","tag-type-412-mining-cable","tag-type-440-mining-cable","tag-type-441-mining-cable","tag-type-450-mining-cable","tag-type-451-mining-cable","tag-type-455-mining-cable","tag-underground-mining-cable","tag-37448","tag-37403","tag-37368","tag-37419","tag-11987","tag-37375","tag-37411","tag-37430","tag-37405","tag-37415","tag-37432","tag-37446","tag-37429","tag-37408","tag-37390","tag-37420","tag-37422","tag-37402","tag-37394","tag-37439","tag-37434","tag-37427","tag-37388","tag-37398","tag-37400","tag-37383","tag-37366","tag-37381","tag-37365","tag-36431","tag-37406","tag-37423","tag-37374","tag-37414","tag-36567","tag-37370","tag-37444","tag-37397","tag-37424","tag-37399","tag-37445","tag-37431","tag-37410","tag-31878","tag-37437","tag-37435","tag-37412","tag-37417","tag-37426","tag-37378","tag-37447","tag-37436","tag-37449","tag-31718","tag-37421","tag-37384","tag-37376","tag-37428","tag-33571","tag-37443","tag-37416","tag-37396","tag-37395","tag-37193","tag-37418","tag-37413","tag-37373","tag-37407","tag-37367","tag-37438","tag-37433","tag-37440","tag-37369","tag-37372","tag-37409","tag-37389","tag-37371","tag-37425","tag-33120","tag-36425","tag-37441","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/5391","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=5391"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/5391\/revisions"}],"predecessor-version":[{"id":5393,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/5391\/revisions\/5393"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/5392"}]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