{"id":11963,"date":"2025-12-09T09:23:11","date_gmt":"2025-12-09T01:23:11","guid":{"rendered":"https:\/\/totcables.com\/?p=11963"},"modified":"2025-12-09T09:23:11","modified_gmt":"2025-12-09T01:23:11","slug":"what-is-steel-wire-armoured-cable-a-complete-guide-to-swa-cables","status":"publish","type":"post","link":"https:\/\/totcables.com\/?p=11963","title":{"rendered":"What Is Steel Wire Armoured Cable? A Complete Guide to SWA Cables"},"content":{"rendered":"<p>{&#8220;main-title&#8221;:{&#8220;component&#8221;:&#8221;hc_title&#8221;,&#8221;id&#8221;:&#8221;main-title&#8221;,&#8221;title&#8221;:&#8221;&#8221;,&#8221;subtitle&#8221;:&#8221;Steel Wire Armoured (SWA) cable is one of the most widely used forms of mechanical-protection power cable in industrial, commercial, and outdoor electrical installations. While \u201carmoured cable\u201d is a broad category, SWA cable specifically refers to power cables protected by layers of galvanized steel wires, offering exceptional strength, durability, and impact resistance.&#8221;,&#8221;title_content&#8221;:{&#8220;component&#8221;:&#8221;hc_title_image&#8221;,&#8221;id&#8221;:&#8221;title-image&#8221;,&#8221;image&#8221;:&#8221;https:\/\/totcables.com\/wp-content\/uploads\/2025\/04\/YJV42-Steel-Wire-Armored-High-Voltage-Power-Cables-e1744784173336.webp|639|639|2649&#8243;,&#8221;full_screen&#8221;:false,&#8221;full_screen_height&#8221;:&#8221;&#8221;,&#8221;parallax&#8221;:false,&#8221;bleed&#8221;:&#8221;&#8221;,&#8221;ken_burn&#8221;:&#8221;&#8221;,&#8221;overlay&#8221;:&#8221;transparent-dark&#8221;,&#8221;breadcrumbs&#8221;:true,&#8221;white&#8221;:true,&#8221;position&#8221;:&#8221;&#8221;}},&#8221;section_5ZtkF&#8221;:{&#8220;component&#8221;:&#8221;hc_section&#8221;,&#8221;id&#8221;:&#8221;section_5ZtkF&#8221;,&#8221;section_width&#8221;:&#8221;&#8221;,&#8221;animation&#8221;:&#8221;&#8221;,&#8221;animation_time&#8221;:&#8221;&#8221;,&#8221;timeline_animation&#8221;:&#8221;&#8221;,&#8221;timeline_delay&#8221;:&#8221;&#8221;,&#8221;timeline_order&#8221;:&#8221;&#8221;,&#8221;vertical_row&#8221;:&#8221;&#8221;,&#8221;box_middle&#8221;:&#8221;&#8221;,&#8221;css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_styles&#8221;:&#8221;&#8221;,&#8221;section_content&#8221;:[{&#8220;component&#8221;:&#8221;hc_column&#8221;,&#8221;id&#8221;:&#8221;column_vtfQF&#8221;,&#8221;column_width&#8221;:&#8221;col-md-12&#8243;,&#8221;animation&#8221;:&#8221;&#8221;,&#8221;animation_time&#8221;:&#8221;&#8221;,&#8221;timeline_animation&#8221;:&#8221;&#8221;,&#8221;timeline_delay&#8221;:&#8221;&#8221;,&#8221;timeline_order&#8221;:&#8221;&#8221;,&#8221;css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_styles&#8221;:&#8221;&#8221;,&#8221;main_content&#8221;:[{&#8220;component&#8221;:&#8221;hc_wp_editor&#8221;,&#8221;id&#8221;:&#8221;Xhugf&#8221;,&#8221;css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_styles&#8221;:&#8221;&#8221;,&#8221;editor_content&#8221;:&#8221;<\/p>\n<p data-start='259' data-end='636'>Steel Wire Armoured (SWA) cable is one of the most widely used forms of mechanical-protection power cable in industrial, commercial, and outdoor electrical installations. While \u201carmoured cable\u201d is a broad category, <strong data-start='474' data-end='569'>SWA cable specifically refers to power cables protected by layers of galvanized steel wires<\/strong>, offering exceptional strength, durability, and impact resistance.<\/p>\n<p>\\n\\n\\n<div id=\"attachment_4123\" style=\"width: 290px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-4123\" class='size-full wp-image-4123' src='https:\/\/totcables.com\/wp-content\/uploads\/2025\/04\/185mm-4-Core-Steel-Wire-Armoured-SWA-Cable.jpg' alt='185mm 4 Core Steel Wire Armoured SWA Cable' width='280' height='210'><p id=\"caption-attachment-4123\" class=\"wp-caption-text\">185mm 4 Core Steel Wire Armoured SWA Cable<\/p><\/div>\\n<\/p>\n<p data-start='638' data-end='784'>This guide explains what steel wire armoured cable is, how it is built, where it is used, and how it compares with other types of armoured cables.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='786' data-end='789'>\\n\\n<\/p>\n<h2 data-start='791' data-end='835'><strong data-start='794' data-end='835'>1. What Is Steel Wire Armoured Cable?<\/strong><\/h2>\n<p>\\n<\/p>\n<p data-start='837' data-end='1126'><a href='https:\/\/totcables.com\/steel-wire-armored-cable\/'>Steel Wire Armoured cable<\/a>\u2014commonly known as <strong data-start='881' data-end='894'>SWA cable<\/strong>\u2014is a power cable reinforced with <strong data-start='928' data-end='954'>galvanized steel wires<\/strong> placed underneath the outer sheath.<br data-start='990' data-end='993'>Its purpose is to provide <strong data-start='1019' data-end='1049'>high mechanical protection<\/strong> while ensuring reliable power transmission in harsh or exposed environments.<\/p>\n<p>\\n<\/p>\n<p data-start='1128' data-end='1255'>SWA cable is typically manufactured according to standards such as <strong data-start='1195' data-end='1205'>BS5467<\/strong> (PVC insulation) or <strong data-start='1226' data-end='1236'>BS6724<\/strong> (LSZH insulation).<\/p>\n<p>\\n<\/p>\n<p data-start='1257' data-end='1279'><strong data-start='1257' data-end='1277'>In simple terms:<\/strong><\/p>\n<p>\\n\\n<\/p>\n<blockquote data-start='1280' data-end='1364'><p>\\n<\/p>\n<p data-start='1282' data-end='1364'><em data-start='1282' data-end='1364'>SWA cable = electrical power cable + steel wire armor for mechanical protection.<\/em><\/p>\n<p>\\n<\/p><\/blockquote>\n<p>\\n\\n<\/p>\n<hr data-start='1366' data-end='1369'>\\n\\n<\/p>\n<h2 data-start='1371' data-end='1431'><strong data-start='1374' data-end='1431'>2. Structure of Steel Wire Armoured Cable (SWA Cable)<\/strong><\/h2>\n<p>\\n<\/p>\n<p data-start='1433' data-end='1486'>A typical SWA cable consists of the following layers:<\/p>\n<p>\\n\\n<\/p>\n<h3 data-start='1488' data-end='1526'><strong data-start='1492' data-end='1526'>\u2460 Copper or Aluminum Conductor<\/strong><\/h3>\n<p>\\n<\/p>\n<ul data-start='1527' data-end='1627'>\\n \\t<\/p>\n<li data-start='1527' data-end='1562'>\\n\n<p data-start='1529' data-end='1562'>Usually Class 2 stranded copper<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1563' data-end='1627'>\\n\n<p data-start='1565' data-end='1627'>Aluminum options available for large power distribution cables<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<h3 data-start='1629' data-end='1649'><strong data-start='1633' data-end='1649'>\u2461 Insulation<\/strong><\/h3>\n<p>\\n<\/p>\n<ul data-start='1650' data-end='1740'>\\n \\t<\/p>\n<li data-start='1650' data-end='1672'>\\n\n<p data-start='1652' data-end='1672'>PVC, XLPE, or LSZH<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1673' data-end='1740'>\\n\n<p data-start='1675' data-end='1740'>XLPE is the most common due to its high temperature rating (90\u00b0C)<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<h3 data-start='1742' data-end='1774'><strong data-start='1746' data-end='1774'>\u2462 Inner Sheath \/ Bedding<\/strong><\/h3>\n<p>\\n<\/p>\n<ul data-start='1775' data-end='1859'>\\n \\t<\/p>\n<li data-start='1775' data-end='1813'>\\n\n<p data-start='1777' data-end='1813'>Holds the insulated cores in place<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1814' data-end='1859'>\\n\n<p data-start='1816' data-end='1859'>Acts as a bedding layer for the armor wires<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<h3 data-start='1861' data-end='1894'><strong data-start='1865' data-end='1894'>\u2463 Steel Wire Armour (SWA)<\/strong><\/h3>\n<p>\\n<\/p>\n<ul data-start='1895' data-end='2147'>\\n \\t<\/p>\n<li data-start='1895' data-end='1967'>\\n\n<p data-start='1897' data-end='1967'>Multiple galvanized steel wires helically wrapped around the bedding<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1968' data-end='2147'>\\n\n<p data-start='1970' data-end='1979'>Provides:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='1982' data-end='2147'>\\n \\t<\/p>\n<li data-start='1982' data-end='2003'>\\n\n<p data-start='1984' data-end='2003'>Impact resistance<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2006' data-end='2029'>\\n\n<p data-start='2008' data-end='2029'>Mechanical strength<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2032' data-end='2086'>\\n\n<p data-start='2034' data-end='2086'>Resistance to crushing, digging, and rodent damage<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2089' data-end='2147'>\\n\n<p data-start='2091' data-end='2147'>Additional earth fault capability (in some applications)<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<h3 data-start='2149' data-end='2171'><strong data-start='2153' data-end='2171'>\u2464 Outer Sheath<\/strong><\/h3>\n<p>\\n<\/p>\n<ul data-start='2172' data-end='2249'>\\n \\t<\/p>\n<li data-start='2172' data-end='2187'>\\n\n<p data-start='2174' data-end='2187'>PVC or LSZH<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2188' data-end='2249'>\\n\n<p data-start='2190' data-end='2249'>Offers environmental, UV, moisture, and chemical resistance<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n\\n<\/p>\n<hr data-start='2251' data-end='2254'>\\n\\n<\/p>\n<h2 data-start='2256' data-end='2309'><strong data-start='2259' data-end='2309'>3. Key Advantages of Steel Wire Armoured Cable<\/strong><\/h2>\n<p>\\n<\/p>\n<h3 data-start='2311' data-end='2352'>\u2705 <strong data-start='2317' data-end='2352'>Excellent Mechanical Protection<\/strong><\/h3>\n<p>\\n<\/p>\n<p data-start='2353' data-end='2451'>Can withstand severe external impact and pressure, making it ideal for underground or exposed use.<\/p>\n<p>\\n\\n<\/p>\n<h3 data-start='2453' data-end='2484'>\u2705 <strong data-start='2459' data-end='2484'>High Tensile Strength<\/strong><\/h3>\n<p>\\n<\/p>\n<p data-start='2485' data-end='2559'>Suitable for installations where cables may be pulled over long distances.<\/p>\n<p>\\n\\n<\/p>\n<h3 data-start='2561' data-end='2590'>\u2705 <strong data-start='2567' data-end='2590'>Improved Durability<\/strong><\/h3>\n<p>\\n<\/p>\n<p data-start='2591' data-end='2622'>The armor prevents damage from:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='2623' data-end='2694'>\\n \\t<\/p>\n<li data-start='2623' data-end='2650'>\\n\n<p data-start='2625' data-end='2650'>Construction activities<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2651' data-end='2662'>\\n\n<p data-start='2653' data-end='2662'>Rodents<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2663' data-end='2676'>\\n\n<p data-start='2665' data-end='2676'>Vibration<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2677' data-end='2694'>\\n\n<p data-start='2679' data-end='2694'>Crushing forces<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<h3 data-start='2696' data-end='2736'>\u2705 <strong data-start='2702' data-end='2736'>Versatile Installation Options<\/strong><\/h3>\n<p>\\n<\/p>\n<p data-start='2737' data-end='2749'>Can be laid:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='2750' data-end='2873'>\\n \\t<\/p>\n<li data-start='2750' data-end='2776'>\\n\n<p data-start='2752' data-end='2776'>Directly in the ground<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2777' data-end='2799'>\\n\n<p data-start='2779' data-end='2799'>In ducts and trays<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2800' data-end='2825'>\\n\n<p data-start='2802' data-end='2825'>On building exteriors<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2826' data-end='2846'>\\n\n<p data-start='2828' data-end='2846'>On cable ladders<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2847' data-end='2873'>\\n\n<p data-start='2849' data-end='2873'>In industrial facilities<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<h3 data-start='2875' data-end='2912'>\u2705 <strong data-start='2881' data-end='2912'>Reliable Power Transmission<\/strong><\/h3>\n<p>\\n<\/p>\n<p data-start='2913' data-end='3001'>XLPE insulation ensures better thermal performance and higher current-carrying capacity.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='3003' data-end='3006'>\\n\\n<\/p>\n<h2 data-start='3008' data-end='3050'><strong data-start='3011' data-end='3050'>4. Common Applications of SWA Cable<\/strong><\/h2>\n<p>\\n<\/p>\n<p data-start='3052' data-end='3080'>SWA cable is widely used in:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='3082' data-end='3377'>\\n \\t<\/p>\n<li data-start='3082' data-end='3118'>\\n\n<p data-start='3084' data-end='3118'><strong data-start='3084' data-end='3118'>Underground power distribution<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3119' data-end='3152'>\\n\n<p data-start='3121' data-end='3152'><strong data-start='3121' data-end='3152'>Industrial machinery wiring<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3153' data-end='3183'>\\n\n<p data-start='3155' data-end='3183'><strong data-start='3155' data-end='3183'>Outdoor lighting systems<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3184' data-end='3208'>\\n\n<p data-start='3186' data-end='3208'><strong data-start='3186' data-end='3208'>Construction sites<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3209' data-end='3264'>\\n\n<p data-start='3211' data-end='3264'><strong data-start='3211' data-end='3264'>Power to outbuildings (workshops, garages, sheds)<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3265' data-end='3307'>\\n\n<p data-start='3267' data-end='3307'><strong data-start='3267' data-end='3307'>Commercial and public infrastructure<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3308' data-end='3336'>\\n\n<p data-start='3310' data-end='3336'><strong data-start='3310' data-end='3336'>Water treatment plants<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3337' data-end='3377'>\\n\n<p data-start='3339' data-end='3377'><strong data-start='3339' data-end='3377'>Mining and heavy-duty applications<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<p data-start='3379' data-end='3475'>Its rugged design makes it ideal for any environment where the cable may be physically stressed.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='3477' data-end='3480'>\\n\\n<\/p>\n<h2 data-start='3482' data-end='3517'><strong data-start='3485' data-end='3517'>5. SWA Cable Voltage Ratings<\/strong><\/h2>\n<p>\\n<\/p>\n<p data-start='3519' data-end='3552'>Standard voltage ratings include:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='3554' data-end='3705'>\\n \\t<\/p>\n<li data-start='3554' data-end='3597'>\\n\n<p data-start='3556' data-end='3597'><strong data-start='3556' data-end='3581'>0.6\/1kV (Low Voltage)<\/strong> \u2014 most common<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3598' data-end='3651'>\\n\n<p data-start='3600' data-end='3651'><strong data-start='3600' data-end='3613'>3.8\/6.6kV<\/strong> \u2014 medium voltage variants available<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='3652' data-end='3705'>\\n\n<p data-start='3654' data-end='3705'>Higher voltages possible depending on specification<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n\\n<\/p>\n<hr data-start='3707' data-end='3710'>\\n\\n<\/p>\n<h2 data-start='3712' data-end='3757'><strong data-start='3715' data-end='3757'>6. SWA Cable vs. Other Armoured Cables<\/strong><\/h2>\n<p>\\n<\/p>\n<p data-start='3759' data-end='3841'>To distinguish clearly from your earlier \u201cwhat is armoured cable\u201d article,\u4ee5\u4e0b\u662f\u91cd\u70b9\u5bf9\u6bd4\uff1a<\/p>\n<p>\\n\\n<\/p>\n<h3 data-start='3843' data-end='3871'>\ud83d\udd39 <strong data-start='3850' data-end='3871'>SWA vs. AWA Cable<\/strong><\/h3>\n<p>\\n<\/p>\n<div class='TyagGW_tableContainer'>\\n<\/p>\n<div class='group TyagGW_tableWrapper flex w-fit flex-col-reverse' tabindex='-1'>\\n<\/p>\n<table class='w-fit min-w-(--thread-content-width)' data-start='3872' data-end='4153'>\\n<\/p>\n<thead data-start='3872' data-end='3924'>\\n<\/p>\n<tr data-start='3872' data-end='3924'>\\n<\/p>\n<th data-start='3872' data-end='3882' data-col-size='sm'>Feature<\/th>\n<p>\\n<\/p>\n<th data-start='3882' data-end='3901' data-col-size='sm'>SWA (Steel Wire)<\/th>\n<p>\\n<\/p>\n<th data-start='3901' data-end='3924' data-col-size='sm'>AWA (Aluminum Wire)<\/th>\n<p>\\n<\/tr>\n<p>\\n<\/thead>\n<p>\\n<\/p>\n<tbody data-start='3978' data-end='4153'>\\n<\/p>\n<tr data-start='3978' data-end='4039'>\\n<\/p>\n<td data-start='3978' data-end='3996' data-col-size='sm'>Armour Material<\/td>\n<p>\\n<\/p>\n<td data-start='3996' data-end='4021' data-col-size='sm'>Galvanized steel wires<\/td>\n<p>\\n<\/p>\n<td data-start='4021' data-end='4039' data-col-size='sm'>Aluminum wires<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='4040' data-end='4093'>\\n<\/p>\n<td data-start='4040' data-end='4051' data-col-size='sm'>Best for<\/td>\n<p>\\n<\/p>\n<td data-start='4051' data-end='4071' data-col-size='sm'>Multi-core cables<\/td>\n<p>\\n<\/p>\n<td data-start='4071' data-end='4093' data-col-size='sm'>Single-core cables<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='4094' data-end='4118'>\\n<\/p>\n<td data-start='4094' data-end='4106' data-col-size='sm'>Magnetic?<\/td>\n<p>\\n<\/p>\n<td data-start='4106' data-end='4112' data-col-size='sm'>Yes<\/td>\n<p>\\n<\/p>\n<td data-start='4112' data-end='4118' data-col-size='sm'>No<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='4119' data-end='4153'>\\n<\/p>\n<td data-start='4119' data-end='4126' data-col-size='sm'>Cost<\/td>\n<p>\\n<\/p>\n<td data-start='4126' data-end='4144' data-col-size='sm'>Slightly higher<\/td>\n<p>\\n<\/p>\n<td data-start='4144' data-end='4153' data-col-size='sm'>Lower<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/tbody>\n<p>\\n<\/table>\n<p>\\n<\/p><\/div>\n<p>\\n<\/p><\/div>\n<p>\\n<\/p>\n<h3 data-start='4155' data-end='4183'>\ud83d\udd39 <strong data-start='4162' data-end='4183'>SWA vs. STA Cable<\/strong><\/h3>\n<p>\\n<\/p>\n<div class='TyagGW_tableContainer'>\\n<\/p>\n<div class='group TyagGW_tableWrapper flex w-fit flex-col-reverse' tabindex='-1'>\\n<\/p>\n<table class='w-fit min-w-(--thread-content-width)' data-start='4184' data-end='4476'>\\n<\/p>\n<thead data-start='4184' data-end='4229'>\\n<\/p>\n<tr data-start='4184' data-end='4229'>\\n<\/p>\n<th data-start='4184' data-end='4194' data-col-size='sm'>Feature<\/th>\n<p>\\n<\/p>\n<th data-start='4194' data-end='4200' data-col-size='sm'>SWA<\/th>\n<p>\\n<\/p>\n<th data-start='4200' data-end='4229' data-col-size='sm'>STA (Steel Tape Armoured)<\/th>\n<p>\\n<\/tr>\n<p>\\n<\/thead>\n<p>\\n<\/p>\n<tbody data-start='4279' data-end='4476'>\\n<\/p>\n<tr data-start='4279' data-end='4326'>\\n<\/p>\n<td data-start='4279' data-end='4292' data-col-size='sm'>Armor Type<\/td>\n<p>\\n<\/p>\n<td data-start='4292' data-end='4312' data-col-size='sm'>Round steel wires<\/td>\n<p>\\n<\/p>\n<td data-start='4312' data-end='4326' data-col-size='sm'>Steel tape<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='4327' data-end='4359'>\\n<\/p>\n<td data-start='4327' data-end='4341' data-col-size='sm'>Flexibility<\/td>\n<p>\\n<\/p>\n<td data-start='4341' data-end='4350' data-col-size='sm'>Higher<\/td>\n<p>\\n<\/p>\n<td data-start='4350' data-end='4359' data-col-size='sm'>Lower<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='4360' data-end='4405'>\\n<\/p>\n<td data-start='4360' data-end='4384' data-col-size='sm'>Mechanical Protection<\/td>\n<p>\\n<\/p>\n<td data-start='4384' data-end='4393' data-col-size='sm'>Higher<\/td>\n<p>\\n<\/p>\n<td data-start='4393' data-end='4405' data-col-size='sm'>Moderate<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='4406' data-end='4476'>\\n<\/p>\n<td data-start='4406' data-end='4421' data-col-size='sm'>Applications<\/td>\n<p>\\n<\/p>\n<td data-start='4421' data-end='4442' data-col-size='sm'>General-purpose LV<\/td>\n<p>\\n<\/p>\n<td data-start='4442' data-end='4476' data-col-size='sm'>Mainly underground low-voltage<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/tbody>\n<p>\\n<\/table>\n<p>\\n<\/p><\/div>\n<p>\\n<\/p><\/div>\n<p>\\n<\/p>\n<h3 data-start='4478' data-end='4521'>\ud83d\udd39 <strong data-start='4485' data-end='4521'>SWA vs. NYY \/ Non-armoured Cable<\/strong><\/h3>\n<p>\\n<\/p>\n<div class='TyagGW_tableContainer'>\\n<\/p>\n<div class='group TyagGW_tableWrapper flex w-fit flex-col-reverse' tabindex='-1'>\\n<\/p>\n<table class='w-fit min-w-(--thread-content-width)' data-start='4522' data-end='4749'>\\n<\/p>\n<thead data-start='4522' data-end='4566'>\\n<\/p>\n<tr data-start='4522' data-end='4566'>\\n<\/p>\n<th data-start='4522' data-end='4532' data-col-size='sm'>Feature<\/th>\n<p>\\n<\/p>\n<th data-start='4532' data-end='4544' data-col-size='sm'>SWA Cable<\/th>\n<p>\\n<\/p>\n<th data-start='4544' data-end='4566' data-col-size='sm'>NYY \/ Non-Armoured<\/th>\n<p>\\n<\/tr>\n<p>\\n<\/thead>\n<p>\\n<\/p>\n<tbody data-start='4616' data-end='4749'>\\n<\/p>\n<tr data-start='4616' data-end='4659'>\\n<\/p>\n<td data-start='4616' data-end='4640' data-col-size='sm'>Mechanical Protection<\/td>\n<p>\\n<\/p>\n<td data-start='4640' data-end='4652' data-col-size='sm'>Very high<\/td>\n<p>\\n<\/p>\n<td data-start='4652' data-end='4659' data-col-size='sm'>Low<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='4660' data-end='4723'>\\n<\/p>\n<td data-start='4660' data-end='4678' data-col-size='sm'>Underground Use<\/td>\n<p>\\n<\/p>\n<td data-start='4678' data-end='4686' data-col-size='sm'>Ideal<\/td>\n<p>\\n<\/p>\n<td data-start='4686' data-end='4723' data-col-size='sm'>Not recommended unless in conduit<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='4724' data-end='4749'>\\n<\/p>\n<td data-start='4724' data-end='4731' data-col-size='sm'>Cost<\/td>\n<p>\\n<\/p>\n<td data-start='4731' data-end='4740' data-col-size='sm'>Higher<\/td>\n<p>\\n<\/p>\n<td data-start='4740' data-end='4749' data-col-size='sm'>Lower<\/td>\n<p>\\n<\/tr>\n<p>\\n<\/tbody>\n<p>\\n<\/table>\n<p>\\n<\/p><\/div>\n<p>\\n<\/p><\/div>\n<p>\\n\\n<\/p>\n<hr data-start='4751' data-end='4754'>\\n\\n<\/p>\n<h2 data-start='4756' data-end='4818'><strong data-start='4759' data-end='4818'>7. Typical Specifications of Steel Wire Armoured Cables<\/strong><\/h2>\n<p>\\n<\/p>\n<p data-start='4820' data-end='4851'>Common SWA cable sizes include:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='4853' data-end='5000'>\\n \\t<\/p>\n<li data-start='4853' data-end='4908'>\\n\n<p data-start='4855' data-end='4908'><strong data-start='4855' data-end='4873'>1.5mm\u00b2 \u2013 16mm\u00b2<\/strong> (lighting, small power circuits)<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='4909' data-end='4956'>\\n\n<p data-start='4911' data-end='4956'><strong data-start='4911' data-end='4928'>25mm\u00b2 \u2013 95mm\u00b2<\/strong> (industrial distribution)<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='4957' data-end='5000'>\\n\n<p data-start='4959' data-end='5000'><strong data-start='4959' data-end='4978'>120mm\u00b2 \u2013 300mm\u00b2<\/strong> (heavy power systems)<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<p data-start='5002' data-end='5020'>Conductors can be:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='5021' data-end='5105'>\\n \\t<\/p>\n<li data-start='5021' data-end='5059'>\\n\n<p data-start='5023' data-end='5059'><strong data-start='5023' data-end='5057'>Copper (standard for LV power)<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='5060' data-end='5105'>\\n\n<p data-start='5062' data-end='5105'><strong data-start='5062' data-end='5105'>Aluminum (cost-effective for long runs)<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<p data-start='5107' data-end='5120'>Available in:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='5121' data-end='5186'>\\n \\t<\/p>\n<li data-start='5121' data-end='5186'>\\n\n<p data-start='5123' data-end='5186'><strong data-start='5123' data-end='5186'>2-core, 3-core, 3.5-core, 4-core, and 5-core configurations<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n\\n<\/p>\n<hr data-start='5188' data-end='5191'>\\n\\n<\/p>\n<h2 data-start='5193' data-end='5230'><strong data-start='5196' data-end='5230'>8. How SWA Cables Are Grounded<\/strong><\/h2>\n<p>\\n<\/p>\n<p data-start='5232' data-end='5393'>In many installations, the <strong data-start='5259' data-end='5316'>steel wire armour acts as an earth (ground) conductor<\/strong>.<br data-start='5317' data-end='5320'>However, this depends on the cable size and local electrical regulations.<\/p>\n<p>\\n<\/p>\n<p data-start='5395' data-end='5469'>In high-fault-current systems, a separate earth conductor may be required.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='5471' data-end='5474'>\\n\\n<\/p>\n<h2 data-start='5476' data-end='5519'><strong data-start='5479' data-end='5519'>9. Conclusion: Why SWA Cable Matters<\/strong><\/h2>\n<p>\\n<\/p>\n<p data-start='5521' data-end='5837'>Steel Wire Armoured cable is a durable, reliable, and versatile solution for low-voltage power distribution in challenging environments. Its combination of <strong data-start='5677' data-end='5763'>mechanical protection, environmental resistance, and stable electrical performance<\/strong> makes it one of the most trusted industrial and outdoor cables worldwide.<\/p>\n<p>\\n<\/p>\n<p data-start='5839' data-end='5968'>Whether used underground, outdoors, or in demanding industrial sites, <strong data-start='5909' data-end='5967'>SWA cable ensures long-lasting and safe power delivery<\/strong>.<\/p>\n<p>&#8220;}]}],&#8221;section_settings&#8221;:&#8221;&#8221;},&#8221;scripts&#8221;:{},&#8221;css&#8221;:{},&#8221;css_page&#8221;:&#8221;&#8221;,&#8221;template_setting&#8221;:{&#8220;settings&#8221;:{&#8220;id&#8221;:&#8221;settings&#8221;}},&#8221;template_setting_top&#8221;:{},&#8221;page_setting&#8221;:{&#8220;settings&#8221;:[&#8220;lock-mode-off&#8221;]},&#8221;post_type_setting&#8221;:{&#8220;settings&#8221;:{&#8220;image&#8221;:&#8221;https:\/\/totcables.com\/wp-content\/uploads\/2025\/04\/YJV42-Steel-Wire-Armored-High-Voltage-Power-Cables-e1744784173336.webp|639|639|2649&#8243;,&#8221;excerpt&#8221;:&#8221;Steel Wire Armoured (SWA) cable is one of the most widely used forms of mechanical-protection power cable in industrial, commercial, and outdoor electrical installations. 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