{"product_id":"nfpa-70-national-electrical-code-nec-2023","title":"NFPA 70, National Electrical Code (NEC) 2023","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:a4c32e15-d9fc-4f1d-b0ed-f2fbe3265ddc-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c1f25a5b-7a7d-42ba-a7e4-b60921c84faf\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"47\" data-end=\"248\"\u003eStay current with the code the electrical industry depends on to address today’s evolving electrical hazards, technologies, and installation practices with NFPA 70®, \u003cem data-start=\"213\" data-end=\"247\"\u003eNational Electrical Code® (NEC®)\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp data-start=\"250\" data-end=\"573\"\u003eThe NEC is the authoritative code governing electrical installations in residential, commercial, and industrial occupancies. Revised every three years, NFPA 70 helps keep pace with changing industry practices, renewable energy systems, electric vehicles, communication technologies, and modern electrical safety challenges.\u003c\/p\u003e\n\u003cp data-start=\"575\" data-end=\"838\"\u003eThe code provides comprehensive requirements for electrical design, installation, inspection, and maintenance, making it an essential resource for designers, installers, inspectors, engineers, electricians, contractors, and authorities having jurisdiction (AHJs).\u003c\/p\u003e\n\u003cp data-start=\"840\" data-end=\"1046\"\u003eCompletely reorganized for improved usability, the 2023 NEC also features an expanded Article 100 that consolidates all defined terms in one location, helping users quickly locate critical code information.\u003c\/p\u003e\n\u003ch3 data-section-id=\"xtvnl1\" data-start=\"1048\" data-end=\"1062\"\u003eHighlights\u003c\/h3\u003e\n\u003cp data-start=\"1064\" data-end=\"1187\"\u003eThe 2023 edition of NFPA 70®, \u003cem data-start=\"1094\" data-end=\"1128\"\u003eNational Electrical Code® (NEC®)\u003c\/em\u003e includes new, expanded, and revised requirements covering:\u003c\/p\u003e\n\u003ch4 data-start=\"1189\" data-end=\"1212\"\u003eElectrical Systems\u003c\/h4\u003e\n\u003cul data-start=\"1214\" data-end=\"1555\"\u003e\n\u003cli data-section-id=\"4te0wh\" data-start=\"1214\" data-end=\"1284\"\u003eUse and approval requirements for reconditioned electrical equipment\u003c\/li\u003e\n\u003cli data-section-id=\"17yqs79\" data-start=\"1285\" data-end=\"1375\"\u003eLevel and flat standing surfaces within required working spaces for electrical equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1v3pjmd\" data-start=\"1376\" data-end=\"1441\"\u003eServicing and maintenance requirements for electrical equipment\u003c\/li\u003e\n\u003cli data-section-id=\"180a8li\" data-start=\"1442\" data-end=\"1555\"\u003eProvisions addressing opened electrical equipment doors that obstruct access or egress from required workspaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1557\" data-end=\"1592\"\u003eResidential Electrical Systems\u003c\/h4\u003e\n\u003cul data-start=\"1594\" data-end=\"2031\"\u003e\n\u003cli data-section-id=\"1d5ycum\" data-start=\"1594\" data-end=\"1657\"\u003eExpanded GFCI protection requirements for specific appliances\u003c\/li\u003e\n\u003cli data-section-id=\"12hrhci\" data-start=\"1658\" data-end=\"1777\"\u003eOptional installation requirements for receptacle outlets serving island and peninsular countertops and work surfaces\u003c\/li\u003e\n\u003cli data-section-id=\"19zo33a\" data-start=\"1778\" data-end=\"1847\"\u003eEmergency disconnect requirements for one- and two-family dwellings\u003c\/li\u003e\n\u003cli data-section-id=\"n36qj8\" data-start=\"1848\" data-end=\"1908\"\u003eProvisions permitting the use of 10-ampere branch circuits\u003c\/li\u003e\n\u003cli data-section-id=\"p7itir\" data-start=\"1909\" data-end=\"2031\"\u003eNew annex guidance addressing electrically powered medical equipment in homes and residential board and care occupancies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2033\" data-end=\"2082\"\u003eCommercial and Industrial Electrical Systems\u003c\/h4\u003e\n\u003cul data-start=\"2084\" data-end=\"2469\"\u003e\n\u003cli data-section-id=\"15iwb1b\" data-start=\"2084\" data-end=\"2135\"\u003eUpdated GFCI requirements for specific appliances\u003c\/li\u003e\n\u003cli data-section-id=\"ynwult\" data-start=\"2136\" data-end=\"2185\"\u003eRequirements related to replacement panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"8pu6dw\" data-start=\"2186\" data-end=\"2283\"\u003eAFCI protection requirements for sleeping areas in public safety and first responder facilities\u003c\/li\u003e\n\u003cli data-section-id=\"1bv9mfo\" data-start=\"2284\" data-end=\"2379\"\u003eDisconnecting means requirements for luminaires using double-ended lamps, including LED types\u003c\/li\u003e\n\u003cli data-section-id=\"8zx5xu\" data-start=\"2380\" data-end=\"2469\"\u003eAdditional safety and installation provisions for commercial and industrial occupancies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2471\" data-end=\"2524\"\u003eAlternative Energy and Energy Management Systems\u003c\/h4\u003e\n\u003cul data-start=\"2526\" data-end=\"3068\"\u003e\n\u003cli data-section-id=\"8d1nqm\" data-start=\"2526\" data-end=\"2619\"\u003eRequirements for interconnection of distributed on-site power supplies with utility systems\u003c\/li\u003e\n\u003cli data-section-id=\"141wofn\" data-start=\"2620\" data-end=\"2705\"\u003eClarification distinguishing storage battery systems from emergency storage systems\u003c\/li\u003e\n\u003cli data-section-id=\"cco82j\" data-start=\"2706\" data-end=\"2767\"\u003eCommissioning requirements for energy storage systems (ESS)\u003c\/li\u003e\n\u003cli data-section-id=\"mhvbl\" data-start=\"2768\" data-end=\"2819\"\u003eUpdated photovoltaic electric system requirements\u003c\/li\u003e\n\u003cli data-section-id=\"enqokv\" data-start=\"2820\" data-end=\"2867\"\u003eEmergency energy management system provisions\u003c\/li\u003e\n\u003cli data-section-id=\"lpxhpg\" data-start=\"2868\" data-end=\"2951\"\u003eRevised load calculations for outlets supplying electric vehicle supply equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1esvq6q\" data-start=\"2952\" data-end=\"3068\"\u003eRequirements for solar photovoltaic and wind power systems installed on floating structures and offshore locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"3070\" data-end=\"3113\"\u003eNew Articles and Emerging Technologies\u003c\/h4\u003e\n\u003cp data-start=\"3115\" data-end=\"3239\"\u003eThe 2023 NEC introduces new articles and requirements addressing technologies and systems not previously covered, including:\u003c\/p\u003e\n\u003cul data-start=\"3241\" data-end=\"3611\"\u003e\n\u003cli data-section-id=\"qtyh5c\" data-start=\"3241\" data-end=\"3273\"\u003eClass 4 fault-managed circuits\u003c\/li\u003e\n\u003cli data-section-id=\"1ealw79\" data-start=\"3274\" data-end=\"3359\"\u003eHazardous locations within commercial and industrial cannabis production facilities\u003c\/li\u003e\n\u003cli data-section-id=\"exvrwr\" data-start=\"3360\" data-end=\"3415\"\u003eEquipotential bonding requirements around splash pads\u003c\/li\u003e\n\u003cli data-section-id=\"1lwyeoo\" data-start=\"3416\" data-end=\"3474\"\u003eInsulated bus pipe and tubular covered conductor systems\u003c\/li\u003e\n\u003cli data-section-id=\"lh5hpr\" data-start=\"3475\" data-end=\"3497\"\u003eFlexible bus systems\u003c\/li\u003e\n\u003cli data-section-id=\"1be22nn\" data-start=\"3498\" data-end=\"3541\"\u003eGermicidal irradiation lighting equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1oqwgrt\" data-start=\"3542\" data-end=\"3611\"\u003eAdditional emerging technologies and specialized electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy customers choose us over buying directly from publishers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe provide faster and more reliable service compared to ordering directly from publisher.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSame-day shipping available on eligible orders\u003c\/li\u003e\n\u003cli\u003eTrue overnight shipping options available\u003c\/li\u003e\n\u003cli\u003eFaster order processing and delivery support\u003c\/li\u003e\n\u003cli\u003eProfessional customer assistance for code and standards orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile publisher orders may typically require 7–10 business days for delivery, we help professionals get critical fire protection standards faster when timing matters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"NFPA","offers":[{"title":"New Book \/ No Practice Exam \/ No Pre-Printed Tabs","offer_id":52426860790072,"sku":null,"price":168.99,"currency_code":"USD","in_stock":true},{"title":"New Book \/ No Practice Exam \/ Add pre-printed tabs","offer_id":52426860822840,"sku":null,"price":183.98,"currency_code":"USD","in_stock":true},{"title":"New Book \/ Add Practice Exam \/ No Pre-Printed Tabs","offer_id":52426860855608,"sku":null,"price":193.98,"currency_code":"USD","in_stock":true},{"title":"New Book \/ Add Practice Exam \/ Add pre-printed tabs","offer_id":52426860888376,"sku":null,"price":208.98,"currency_code":"USD","in_stock":true},{"title":"No Book \/ No Practice Exam \/ Add pre-printed tabs","offer_id":52426860921144,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true},{"title":"No Book \/ Add Practice Exam \/ No Pre-Printed Tabs","offer_id":52426860953912,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true},{"title":"No Book \/ Add Practice Exam \/ Add pre-printed tabs","offer_id":52426860986680,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/2633\/7080\/files\/nfpa-70-code-7023SB_1.webp?v=1779799983","url":"https:\/\/nfpa-online.myshopify.com\/products\/nfpa-70-national-electrical-code-nec-2023","provider":"nfpa.online","version":"1.0","type":"link"}