{"product_id":"14-3-nm-b-copper-building-wire","title":"14\/3 NM-B Copper Building Wire with Ground, 600V (Blue Jacket)","description":"\u003cp data-path-to-node=\"1\"\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"0\"\u003eSpecifically designed for specialized residential lighting and 15-amp branch circuits, this 14 AWG NM-B Copper Building Wire with a distinctive Blue Jacket offers a high-visibility solution for modern electrical systems. Featuring two high-conductivity copper conductors and a dedicated bare ground, this cable is engineered for interior dry-location wiring where circuit differentiation and installer efficiency are high priorities.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"2\"\u003eWhy Choose 14\/3 NM-B Blue Building Wire?\u003c\/h4\u003e\n\u003cp data-path-to-node=\"3\"\u003eWhile 14 AWG is the standard for 15-amp lighting and general-purpose outlets, the \u003cb data-path-to-node=\"3\" data-index-in-node=\"82\"\u003eBlue Jacket\u003c\/b\u003e serves as a specialized indicator. Often used by contractors to distinguish specific circuit types—such as dedicated lighting controls, smoke detector interconnections, or Arc-Fault Circuit Interrupter (AFCI) protected lines—from standard white-jacketed 14 AWG runs.\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-path-to-node=\"4,0,0\" data-index-in-node=\"0\"\u003eDistinctive Blue Color Coding:\u003c\/b\u003e The blue PVC jacket provides immediate visual recognition, helping to organize complex panels and reducing the risk of wiring errors during rough-in and trim-out phases.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"0\"\u003ePremium Copper Performance:\u003c\/b\u003e Annealed (soft) copper conductors provide maximum electrical reliability and flexibility, making terminations in narrow switch boxes much easier.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"0\"\u003eLow-Friction Outer Shell:\u003c\/b\u003e The slick-finish PVC jacket is formulated to glide through bored studs and floor joists, minimizing the physical force required for long pulls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"0\"\u003eDual-Layer Insulation Durability:\u003c\/b\u003e Individual conductors are protected by heat-resistant PVC and a slick nylon jacket (THHN\/THWN-2), providing superior resistance to the abrasions and nicks common on active job sites.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"5\"\u003eTechnical Specifications: 14\/3 NM-B Copper (Blue)\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-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eConductor Size:\u003c\/b\u003e 14 AWG\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"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-path-to-node=\"6,2,0\" data-index-in-node=\"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-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eJacket Color:\u003c\/b\u003e Blue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,4,0\"\u003e\u003cb data-path-to-node=\"6,4,0\" data-index-in-node=\"0\"\u003eAmpacity:\u003c\/b\u003e 15 Amps at 60°C (NEC Table 310.16)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,5,0\"\u003e\u003cb data-path-to-node=\"6,5,0\" data-index-in-node=\"0\"\u003eVoltage:\u003c\/b\u003e 600V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,6,0\"\u003e\u003cb data-path-to-node=\"6,6,0\" data-index-in-node=\"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=\"6,7,0\"\u003e\u003cb data-path-to-node=\"6,7,0\" data-index-in-node=\"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=\"6,8,0\"\u003e\u003cb data-path-to-node=\"6,8,0\" data-index-in-node=\"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=\"6,9,0\"\u003e\u003cb data-path-to-node=\"6,9,0\" data-index-in-node=\"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-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eResidential Lighting Circuits:\u003c\/b\u003e The go-to gauge for overhead lighting, recessed cans, and general-purpose illumination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eSmoke and Carbon Monoxide Detectors:\u003c\/b\u003e Frequently utilized for interconnected safety alarm systems to distinguish them from standard power circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eHome Automation Systems:\u003c\/b\u003e Ideal for wiring smart switches and lighting control hubs where color-coded circuit management is essential.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eGeneral Purpose Outlets:\u003c\/b\u003e A reliable and efficient choice for bedroom and living area receptacles that do not require 20-amp capacity.\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-path-to-node=\"10\" data-index-in-node=\"0\"\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-path-to-node=\"12\" data-index-in-node=\"0\"\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":53372884451642,"sku":"NMB14-3-250","price":207.0,"currency_code":"USD","in_stock":true},{"title":"500 ft. Spool","offer_id":53372884484410,"sku":"NMB14-3-500","price":412.0,"currency_code":"USD","in_stock":true},{"title":"1000 ft. Spool","offer_id":53372884517178,"sku":"NMB14-3-1K","price":819.0,"currency_code":"USD","in_stock":true},{"title":"2500 ft. Spool","offer_id":53372884549946,"sku":"NMB14-3-2500","price":2037.0,"currency_code":"USD","in_stock":true},{"title":"By the Foot","offer_id":53372884582714,"sku":"NMB14-3-FT","price":0.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/0234\/9114\/files\/14-3-nm-b-blue-jacket-afci-specialty-copper-romex.jpg?v=1777311806","url":"https:\/\/www.wireamerica.com\/products\/14-3-nm-b-copper-building-wire","provider":"Wire America ","version":"1.0","type":"link"}