{"product_id":"southwire-500-ft-12-stranded-thhn-building-wire","title":"Southwire 500 ft. 12 Stranded THHN Building Wire","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Southwire 500 ft. 12 Stranded THHN Building Wire — a purpose-built solution for clean, reliable indoor wiring runs. This 2-conductor, 12 AWG cable delivers flexible, easy-pull performance in conduit, backed by Southwire’s long-standing reputation for durable electrical wiring.\u003c\/p\u003e \u003ch2\u003eWhy this THHN 12\/2 Stranded Wire stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eStranded copper conductors\u003c\/strong\u003e provide superior flexibility for pulling through conduit and making tight turns without kinking, reducing installation time and fatigue on long runs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermoplastic insulation\u003c\/strong\u003e rated up to 90°C ensures safer operation in a variety of indoor environments, while maintaining conductivity and durability under normal loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNylon jacket\u003c\/strong\u003e adds abrasion resistance and ruggedness in crowded electrical spaces, helping the cable endure the wear and tear of indoor installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrange jacket color\u003c\/strong\u003e aids quick identification in conduit, panels, and junction boxes, supporting safer code-compliant wiring practices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUL listed\u003c\/strong\u003e and \u003cstrong\u003e600V voltage rating\u003c\/strong\u003e confirm suitability for standard building circuits, lighting runs, and control wiring inside walls and ceilings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e500 ft spool\u003c\/strong\u003e minimizes joints and splices, streamlining larger projects or multiple-room installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmp rating 20A\u003c\/strong\u003e aligns with typical residential and light commercial branch circuits for dependable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndoor use only\u003c\/strong\u003e with \u003cstrong\u003enot for direct burial\u003c\/strong\u003e and \u003cstrong\u003enot flame-retardant\u003c\/strong\u003e specifications kept in mind for appropriate applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo conductors with copper ground\u003c\/strong\u003e deliver reliable, low-resistance pathways for hot and neutral along with a solid ground reference.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUV-resistant (sunlight resistant)\u003c\/strong\u003e jacket offers peace of mind for storage in bright or sunlit environments before or after installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eConductor: Copper, stranded\u003c\/li\u003e \u003cli\u003eConductor gauge: 12 AWG\u003c\/li\u003e \u003cli\u003eNumber of conductors: 2\u003c\/li\u003e \u003cli\u003eInsulation: Thermoplastic\u003c\/li\u003e \u003cli\u003eJacket: Nylon\u003c\/li\u003e \u003cli\u003eColor: Orange\u003c\/li\u003e \u003cli\u003eTemperature rating: 90°C\u003c\/li\u003e \u003cli\u003eVoltage rating: 600V\u003c\/li\u003e \u003cli\u003eAmp rating: 20A\u003c\/li\u003e \u003cli\u003eUL listed: Yes\u003c\/li\u003e \u003cli\u003eDirect burial: No\u003c\/li\u003e \u003cli\u003eFlame retardant: No\u003c\/li\u003e \u003cli\u003eGround material: Copper\u003c\/li\u003e \u003cli\u003eWet location use: Not specified for wet locations\u003c\/li\u003e \u003cli\u003eIndoor\/outdoor: Indoor\u003c\/li\u003e \u003cli\u003eSunlight\/UV resistant: Yes\u003c\/li\u003e \u003cli\u003eLength: 500 ft\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal uses and practical scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eIndoor branch wiring for outlets, lighting, and switches routed through conduits in walls, ceilings, and utility spaces.\u003c\/li\u003e \u003cli\u003eControl circuits and low-load feeders inside panels and junction boxes where a flexible, easy-pull wire is advantageous.\u003c\/li\u003e \u003cli\u003eResidential remodels and new construction projects where a durable, code-compliant 12 AWG THHN is required inside conduit runs.\u003c\/li\u003e \u003cli\u003eSituations demanding long, continuous runs with fewer splices, thanks to the 500 ft length.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation tips and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify indoor-only use and avoid direct burial; pair with proper conduit, connectors, and pulling lubricant as needed for your pull length.\u003c\/li\u003e \u003cli\u003ePlan routes to minimize sharp bends and excessive friction inside conduit to maximize the nylon jacket’s lifespan and the insulation’s performance.\u003c\/li\u003e \u003cli\u003eStore the 500 ft spool in a dry place away from direct sunlight before installation to preserve jacket integrity.\u003c\/li\u003e \u003cli\u003eFollow local electrical codes and use the correct gauges, amp ratings, and voltage requirements for your circuit design.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor dependable indoor wiring that combines ease of installation with robust, code-conscious performance, the Southwire 500 ft. 12 Stranded THHN Building Wire delivers consistent results. Its stranded copper conductors, durable thermoplastic insulation, and rugged nylon jacket make it a reliable choice for professional electricians and serious DIY enthusiasts tackling conduit-based projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Southwire","offers":[{"title":"Default Title","offer_id":52218387693842,"sku":"3014792","price":0.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/3014792_A.eps_High.jpg?v=1777077326","url":"https:\/\/nationalhardwaregroup.com\/products\/southwire-500-ft-12-stranded-thhn-building-wire","provider":"National Hardware Group","version":"1.0","type":"link"}