{"product_id":"6-3-nm-b-copper-building-wire","title":"6\/3 NM-B Copper Building Wire with Ground, 600V (Black Jacket)","description":"\u003cp data-path-to-node=\"1\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"1\"\u003eA staple for modern residential electrical infrastructure, this 6 AWG NM-B Copper Building Wire is the professional’s choice for intermediate high-load circuits. Featuring two insulated current-carrying copper conductors and a dedicated bare ground, this cable provides a reliable, high-integrity power path for heavy household equipment while remaining flexible enough for easy routing through interior wood-frame construction.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"2\"\u003eWhy Choose 6\/3 NM-B Copper Building Wire?\u003c\/h4\u003e\n\u003cp data-path-to-node=\"3\"\u003eThis 2-conductor (plus ground) configuration is engineered specifically for indoor dry-location wiring. The \u003cb data-index-in-node=\"108\" data-path-to-node=\"3\"\u003eType NM-B\u003c\/b\u003e classification allows for installation without conduit, saving significant labor time and material costs in residential settings. The use of premium annealed copper ensures low electrical resistance and minimal heat buildup, even during peak demand.\u003c\/p\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,0,0\"\u003eOptimized Copper Performance:\u003c\/b\u003e Soft-drawn copper conductors deliver maximum conductivity and are easy to terminate in panel lugs and heavy-duty receptacles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,1,0\"\u003eSimplified Installation Profile:\u003c\/b\u003e The slick, black PVC outer jacket is designed to minimize drag when pulling through studs, joists, and tight attic spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,2,0\"\u003eIntegrated Safety Ground:\u003c\/b\u003e Includes a full-sized bare copper grounding wire, ensuring a continuous low-impedance path for fault currents.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,3,0\"\u003eTHHN-Grade Insulation:\u003c\/b\u003e Each conductor is wrapped in heat-resistant PVC and finished with a clear nylon jacket, offering superior protection against nicks and abrasions during the pull.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"5\"\u003eTechnical Specifications: 6\/3 NM-B Copper\u003c\/h4\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,0,0\"\u003eConductor Size:\u003c\/b\u003e 6 AWG\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,1,0\"\u003eNumber of Conductors:\u003c\/b\u003e 2 (plus Ground)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,2,0\"\u003eColor Code:\u003c\/b\u003e Black, White, Bare Ground\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,3,0\"\u003eAmpacity:\u003c\/b\u003e 55 Amps at 60°C (NEC Table 310.16)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,4,0\"\u003eVoltage:\u003c\/b\u003e 600V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,5,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,5,0\"\u003eInsulation:\u003c\/b\u003e Polyvinyl Chloride (PVC) with Nylon Covering (Type THHN)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,6,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,6,0\"\u003eMax Temp:\u003c\/b\u003e 90°C (Dry locations only)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,7,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,7,0\"\u003eConductor Material:\u003c\/b\u003e Annealed (Soft) Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,8,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,8,0\"\u003eStandards:\u003c\/b\u003e UL Standard 83, UL Standard 719, ASTM B-3, B-8, Federal Spec A-A-59544\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"7\"\u003eCommon Applications\u003c\/h4\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,0,0\"\u003eElectric Clothes Dryers:\u003c\/b\u003e The preferred gauge for high-efficiency residential drying units requiring dedicated 30A to 50A circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,1,0\"\u003eSmall HVAC Systems:\u003c\/b\u003e Ideal for powering mini-split systems, medium-sized air conditioning units, and specialized air handling equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,2,0\"\u003eKitchen Range Branch Circuits:\u003c\/b\u003e Frequently used for standard electric ovens and cooktops in modern kitchen remodels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,3,0\"\u003eHot Tub and Spa Feeders:\u003c\/b\u003e Often utilized for the interior portion of the run feeding hot tub disconnects or small indoor sauna heaters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"9\"\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\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. NM-B is for dry, indoor use only.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003ci data-index-in-node=\"0\" data-path-to-node=\"12\"\u003e*All values are nominal and subject to correction. Ampacity is based on the National Electrical Code (NEC) 60°C column for NM-B cable, regardless of the conductor temperature rating.\u003c\/i\u003e\u003c\/p\u003e","brand":"Wire America","offers":[{"title":"250 ft. Spool","offer_id":53372886548794,"sku":"NMB6-3-250","price":1375.0,"currency_code":"USD","in_stock":true},{"title":"500 ft. Spool","offer_id":53372886581562,"sku":"NMB6-3-500","price":2735.0,"currency_code":"USD","in_stock":true},{"title":"1000 ft. Spool","offer_id":53372886614330,"sku":"NMB6-3-1K","price":5441.0,"currency_code":"USD","in_stock":true},{"title":"2500 ft. Spool","offer_id":53372886647098,"sku":"NMB6-3-2500","price":13532.0,"currency_code":"USD","in_stock":true},{"title":"By the Foot","offer_id":53372886679866,"sku":"NMB6-3-FT","price":5.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/0234\/9114\/files\/6-3-nm-b-black-jacket-copper-romex-cable.jpg?v=1777311527","url":"https:\/\/www.wireamerica.com\/products\/6-3-nm-b-copper-building-wire","provider":"Wire America ","version":"1.0","type":"link"}