{"product_id":"350-mcm-thhn-thwn-2-copper-building-wire","title":"350 MCM THHN\/THWN-2 Copper Building Wire | Stranded 600V","description":"\u003cp data-path-to-node=\"20\"\u003e\u003cb data-index-in-node=\"16\" data-path-to-node=\"20\"\u003e\"The industrial powerhouse for main service entrances—engineered with dual-rated THHN\/THWN-2 insulation and a friction-reducing nylon jacket for maximum reliability in 600V applications.\"\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"21\"\u003eWhy Electricians Choose 350 MCM THHN\/THWN-2 Copper\u003c\/b\u003e The 350 MCM copper building wire is a massive conductor designed for the most demanding electrical loads. It is a go-to for 400-amp services (when paralleled) or single 310-amp industrial feeders. At this gauge, the friction-reducing nylon jacket is a critical feature, allowing these heavy conductors to slide through large-diameter conduits with significantly less resistance.\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-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eDual Rated (THHN\/THWN-2):\u003c\/b\u003e Engineered for dry locations up to 90°C (THHN) and wet locations (THWN-2), providing maximum versatility for indoor and outdoor conduits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eTough PVC\/Nylon Jacket:\u003c\/b\u003e The high-heat and moisture-resistant PVC insulation is protected by a tough, friction-reducing Nylon outer sheath, making for easier pulls through tight bends.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eHigh-Conductivity Copper:\u003c\/b\u003e Manufactured with soft-annealed stranded copper to provide maximum flexibility and superior electrical conductivity for branch circuits and feeders.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003eOil \u0026amp; Gasoline Resistant:\u003c\/b\u003e The specialized jacket is designed to resist chemical degradation, making it ideal for industrial environments and service station wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"12\"\u003eCommon 350 MCM THHN\/THWN-2 Applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,0,0\"\u003e300-Amp Feeders:\u003c\/b\u003e The primary conductor for supplying high-amperage power to large commercial distribution boards and sub-panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,1,0\"\u003eIndustrial Switchgear:\u003c\/b\u003e Connecting the main utility transformer to a building's primary distribution switchgear or motor control centers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,2,0\"\u003eMajor HVAC Chillers:\u003c\/b\u003e Providing the massive power required for commercial rooftop units (RTUs) and high-rise refrigeration systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,3,0\"\u003eData Center Power Mains:\u003c\/b\u003e Used in parallel sets to provide reliable, high-conductivity power to massive server farms and UPS systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,4,0\"\u003eHigh-Rise Utility Rises:\u003c\/b\u003e The go-to size for vertical power distribution in multi-story office buildings and luxury apartments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"14\"\u003e\n\u003ch4 data-path-to-node=\"15\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16\"\u003eENGINEERING OVERVIEW: 350 MCM STR THHN 600V\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,0,0\"\u003eAPPLICATION:\u003c\/b\u003e Feeder wire for sub-panels, large appliances, and industrial power distribution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,1,0\"\u003eVOLTAGE:\u003c\/b\u003e Rated for 600 Volts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,2,0\"\u003eCONDUCTORS:\u003c\/b\u003e Stranded soft-annealed copper.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,3,0\"\u003eINSULATION:\u003c\/b\u003e Heat and moisture-resistant PVC (Polyvinyl Chloride).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,4,0\"\u003eJACKET:\u003c\/b\u003e Tough, abrasion-resistant Nylon.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,5,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,5,0\"\u003eTEMPERATURE:\u003c\/b\u003e 90°C Dry (THHN), 90°C Wet (THWN-2).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,5,0\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,5,0\"\u003eAmpacity:\u003c\/b\u003e  310\u003cspan\u003e amps at 75°C | 350 amps at 90°C \u003c\/span\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-index-in-node=\"0\" data-path-to-node=\"24\"\u003eTechnical Note:\u003c\/b\u003e All 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","brand":"Wire America","offers":[{"title":"Black \/ 250 ft. Spool","offer_id":53318556385594,"sku":"THN350CST-250-BK","price":3601.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 500 ft. Spool","offer_id":53318556418362,"sku":"THN350CST-500-BK","price":7164.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 1000 ft. Spool","offer_id":53318556451130,"sku":"THN350CST-1K-BK","price":14255.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2500 ft. 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