{"product_id":"12-awg-sis-switchboard-wire","title":"12 AWG High Temp SIS Switchboard Wire - 125°C","description":"\u003cp data-path-to-node=\"10\"\u003e\u003cstrong\u003e\"The professional standard for high-density control panels—engineered with high-performance XLPE insulation and tinned copper for maximum reliability in environments up to 125°C.\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eWhy Professionals Choose SIS Switchboard Wire\u003c\/h4\u003e\n\u003cp data-path-to-node=\"12\"\u003eThe 12 AWG SIS wire is a heavy-duty high-temperature conductor designed for precision electrical systems, fully compliant with \u003cb data-index-in-node=\"127\" data-path-to-node=\"12\"\u003eUL 3173\u003c\/b\u003e standards. It is the primary choice for utility-scale switchgear, industrial control panels, and transformer leads. Our \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eCross-linked polyethylene (XLP)\u003c\/span\u003e insulation is thermoset, meaning it provides superior resistance to melting or deformation even when exposed to high-thermal stress or accidental contact with soldering equipment.\u003c\/p\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,0,0\"\u003e125°C Heat Resistance:\u003c\/b\u003e Rated for continuous use in extreme thermal environments where standard building wire (90°C) fails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,1,0\"\u003eTinned Copper Conductor:\u003c\/b\u003e Features a tin coating over the stranded copper to prevent corrosion and ensure effortless soldering and termination in high-humidity panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,2,0\"\u003eChemically Cross-Linked (XLP):\u003c\/b\u003e The insulation is chemically bonded to ensure it maintains structural integrity under extreme heat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,3,0\"\u003eUL 3173 \/ CSA CL1251 Rated:\u003c\/b\u003e Fully compliant with industrial standards for switchgear, control circuits, and internal appliance wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"14\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15\"\u003eENGINEERING OVERVIEW: 12 AWG SIS UL 3173 600V\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,0,0\"\u003eAPPLICATION:\u003c\/b\u003e Internal wiring of switchboards, control panels, and power distribution equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,1,0\"\u003eVOLTAGE:\u003c\/b\u003e Rated for 600 Volts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,2,0\"\u003eCONDUCTORS:\u003c\/b\u003e 65-strand soft drawn tinned coated copper per ASTM B33 and B174.\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,3,0\"\u003eINSULATION:\u003c\/b\u003e Cross-linked polyethylene (XLP), Type SIS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,4,0\"\u003eTEMPERATURE:\u003c\/b\u003e 125°C (257°F).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16,5,0\"\u003eNOMINAL OD:\u003c\/b\u003e 0.156 inches (3.96 mm).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"18\"\u003eCommon 12 AWG SIS Applications\u003c\/h4\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,0,0\"\u003eSubstation Control Wiring:\u003c\/b\u003e The preferred gauge for high-reliability connections in utility power substations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,1,0\"\u003eIndustrial Power Supplies:\u003c\/b\u003e Wiring the internal components of large-frame DC power supplies and rectifiers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,2,0\"\u003eHeavy-Duty Motor Leads:\u003c\/b\u003e Providing power to industrial motors that operate in high-ambient temperature zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,3,0\"\u003eAutomated Production Lines:\u003c\/b\u003e Reliable wiring for the \"brains\" of manufacturing equipment that faces constant vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,4,0\"\u003eMarine \u0026amp; Harsh Environments:\u003c\/b\u003e Used in specialized marine panels where tinned copper is required to prevent salt-air corrosion.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"22\"\u003e \u003c\/p\u003e\n\u003chr data-path-to-node=\"23\"\u003e\n\u003cp data-path-to-node=\"24\"\u003e\u003cb data-path-to-node=\"24\" data-index-in-node=\"0\"\u003eTechnical Note:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eAll values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.\u003c\/p\u003e\n\u003cp data-path-to-node=\"24\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Wire America","offers":[{"title":"Black \/ 500 ft. Spool","offer_id":52590338933050,"sku":"12SIS-3173-500-BK","price":215.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 1000 ft. Spool","offer_id":52590338965818,"sku":"12SIS-3173-1K-BK","price":430.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2500 ft. Spool","offer_id":52590338998586,"sku":"12SIS-3173-2500-BK","price":1060.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 500 ft. Spool","offer_id":52590339031354,"sku":"12SIS-3173-500-BU","price":215.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 1000 ft. Spool","offer_id":52590339064122,"sku":"12SIS-3173-1K-BU","price":430.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 2500 ft. Spool","offer_id":52590339096890,"sku":"12SIS-3173-2500-BU","price":1060.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ 500 ft. Spool","offer_id":52590339129658,"sku":"12SIS-3173-500-RD","price":215.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ 1000 ft. Spool","offer_id":52590339162426,"sku":"12SIS-3173-1K-RD","price":430.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ 2500 ft. Spool","offer_id":52590339195194,"sku":"12SIS-3173-2500-RD","price":1060.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/0234\/9114\/files\/SIS_Switchboard_High_Temp_Wire_-_Black_e14139c9-3f5c-4251-91c2-5bd404aa7c6b.jpg?v=1767364799","url":"https:\/\/www.wireamerica.com\/products\/12-awg-sis-switchboard-wire","provider":"Wire America ","version":"1.0","type":"link"}