{"product_id":"southwire-500-ft-18-solid-tfn-building-wire-26977906","title":"Southwire 500 ft. 18 Solid TFN Building Wire","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for dependable indoor wiring, the Southwire 500 ft. 18 Solid TFN Building Wire combines a solid copper conductor with a rugged nylon jacket and PVC thermoplastic insulation. This 18 AWG TFN (Thermoplastic Non-Metallic) conductor is built for everyday building applications where moisture may be present, delivering reliable performance in wet indoor locations.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConductor: 18 AWG, solid copper\u003c\/li\u003e \u003cli\u003eCable Type: TFN (Thermoplastic Non-Metallic)\u003c\/li\u003e \u003cli\u003eInsulation: PVC thermoplastic\u003c\/li\u003e \u003cli\u003eJacket: Nylon\u003c\/li\u003e \u003cli\u003eLength: 500 ft\u003c\/li\u003e \u003cli\u003eColor: Black\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003eTemperature rating: 90°C\u003c\/li\u003e \u003cli\u003eAmp rating: 6 A\u003c\/li\u003e \u003cli\u003eUL Listed: Yes\u003c\/li\u003e \u003cli\u003eDirect burial: No\u003c\/li\u003e \u003cli\u003eWet location use: Yes\u003c\/li\u003e \u003cli\u003eIndoor use: Yes\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIdeal for indoor branch wiring where a durable, moisture-tolerant conductor is required.\u003c\/li\u003e \u003cli\u003eSolid 18 AWG copper provides stable conductivity and resistance to fatigue in fixed installations.\u003c\/li\u003e \u003cli\u003eNylon jacket delivers additional abrasion resistance and flexibility in conduit runs or tight spaces.\u003c\/li\u003e \u003cli\u003ePVC thermoplastic insulation offers reliable electrical isolation while maintaining manageable flexibility for hand or machine pulling.\u003c\/li\u003e \u003cli\u003e500 ft length reduces the need for frequent splices on longer runs, improving project efficiency.\u003c\/li\u003e \u003cli\u003eUL listed and rated for 600 V, making it suitable for standard building electrical systems that encounter damp indoor environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNot intended for direct burial—use appropriate enclosure or conduit when routing this wire indoors.\u003c\/li\u003e \u003cli\u003eEnsure wiring complies with local electrical codes and NEC guidelines for indoor, wet-location installations.\u003c\/li\u003e \u003cli\u003ePair with suitable conduit fittings and supports to maintain mechanical protection and code compliance.\u003c\/li\u003e \u003cli\u003eWhen wiring in damp or wet indoor areas, verify that all terminations are properly rated and bonded per code requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Southwire","offers":[{"title":"Default Title","offer_id":52405758034194,"sku":"3707965","price":0.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/3707965_A.eps_High.jpg?v=1781895212","url":"https:\/\/nationalhardwaregroup.com\/products\/southwire-500-ft-18-solid-tfn-building-wire-26977906","provider":"National Hardware Group","version":"1.0","type":"link"}