2023 NFPA 70, National Electrical Code (NEC) Spiralbound - Current Edition
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  • Description

    The 2023 and 2020 editions of the NEC are available in print (spiralbound or softbound), or digitally through a subscription to NFPA LiNK® or NFCSS™. The 2017 edition of the NEC the is available in NFPA LiNK, NFCSS, and softbound (the spiralbound is available while supplies last).

     

    Keep the latest edition of NFPA 70®, National Electrical Code® (NEC®), at your fingertips with the popular spiralbound NEC.

    The NEC is the authoritative document addressing electrical installations in residential, commercial, and industrial settings. The 2023 edition represents a significant revision to modernize the code to reflect the rapidly evolving electrical landscape. Stay up to date as you design, install, and inspect with current requirements for wiring, overcurrent protection, grounding, and equipment.

    The spiralbound NEC comes with a coated protective cover and multiple rings to hold pages in place. Essential for busy electrical professionals looking to work safer and more efficiently, the sturdy spiralbound format opens flat for convenient access to the content you need to reference for your projects.

    The code you know and use—revamped to keep pace with ever-evolving electrical hazards and challenges.

    The new National Electrical Code is revised and expanded to stay in sync with industry practices, emerging trends, and the development and introduction of technologies. The document is completely reorganized for improved ease of use and features an expanded Article 100 that consolidates all the code’s defined terms in one place to help you quickly locate critical NEC content.

    Whether you are working with Class 4 fault-managed circuits or electrical systems operating over 1000 volts ac/1500 volts dc, you need the 2023 edition of the NEC to help you stay compliant.

    Changes include new, expanded, and revised content and provisions for:

    • All electrical systems, including the use and approval of reconditioned equipment, level/flat standing surfaces within the required working space for electrical equipment, servicing and maintenance of equipment, and opened electrical equipment doors that impede access to or egress from required equipment workspace
    • Residential electrical systems covering ground-fault circuit interrupters (GFCI) for specific appliances, optional installation of receptacle outlets serving island and peninsular countertops and work surfaces, emergency disconnects of one- and two-family dwellings, the use of 10-ampere branch circuits, and an annex providing guidelines on the use of electrically powered medical equipment in homes and residential board and care occupancies
    • Commercial/Industrial electrical systems accounting for everything from GFCI for specific appliances and the use of “replacement panelboards” to arc-fault circuit interrupter (AFCI) protection of sleeping areas of public safety and first responder facilities, disconnecting means in sight of luminaires using double-ended lamps to include LED type, and other considerations
    • Alternative energy systems and energy management addressing the interconnection of distributed on-site power supplies with electric utility supplies, the delineation between storage battery systems and emergency storage systems, commissioning energy storage systems (ESS), photovoltaic electric systems, emergency management systems, load calculations for outlets supplying electric vehicle supply equipment, and solar photovoltaic and wind power electric systems on floating structures and in offshore locations
    • Never covered before systems and equipment such as Class 4 fault-managed circuits, hazardous locations within commercial and industrial cannabis production facilities, equipotential bonding in and around areas with “splash pads,” insulated bus pipe/tubular covered conductors systems, flexible bus systems, germicidal irradiation lighting equipment, and more

    Don’t get left behind. Help usher in a new era of safety and give yourself and your team a competitive edge by upgrading to the 2023 NEC.

    For over 100 years, NFPA 70, National Electrical Code (NEC), has been your trusted source for the electrical information and requirements we rely on to build a safer world. Experience the code like never before by ordering your print 2023 edition and registering for digital access via NFPA LiNK®. (Spiralbound, 904 pp., 2023)

  • Prior Editions

    2020 Edition

    Keep the latest edition of NFPA 70, National Electrical Code, at your fingertips with the popular spiralbound NEC.

    Be ready for the challenges of tomorrow, today, with the benchmark standard for electrical safety. The 2020 edition of NFPA 70®, National Electrical Code® (NEC®), provides the most current requirements for safe electrical practices for public and private buildings, homes and structures, outdoor yards and lots, utility equipment, installations that connect to the power grid, and consumer-owned power generation systems and equipment.

    The spiralbound NEC comes with a coated protective cover and multiple rings to hold pages in place. An essential for busy electrical professionals looking to work safer and more efficiently, the sturdy spiralbound format opens flat for convenient access to the content you need to reference for your projects.

    Get up to date with the code and informed on the safety challenges and hazards of new sources of electrical power.

    The revised and enhanced NFPA 70, National Electrical Code, provides the most relevant information on safer and more effective electrical design, installation, and inspection, including provisions for grounding, wiring, equipment, and overcurrent protection.

    The 2020 edition includes a variety of new and revised information addressing everything from limited energy and communication systems to worker safety, electric vehicles, and emerging energy systems.

    Reference the requirements relevant for your work at your desk or in the field!

    Incorporated by reference in all 50 states and used around the world, the NEC has been the quintessential resource for electrical work in residential, commercial, and industrial settings since first published in 1897. Keep pace with the rapidly changing and increasingly complex electrical industry by placing your order for the spiralbound NEC, 2020 edition, today. (Spiralbound, 901 pp., 2020)


    2017 Edition - Available while supplies last.

    By popular demand, the NEC® Spiralbound is here for the 2017 edition of the National Electrical Code®!

    NFPA 70®, National Electrical Code (NEC) presents the latest comprehensive regulations for electrical wiring, overcurrent protection, grounding, and installation of equipment. Order the NEC Spiralbound with a coated cover and multiple rings to hold pages secure. This convenient format opens flat for easy reference to requirements at your desk or on the job site.

    Five all-new articles and hundreds of changes in the newest NEC pave the way to a safe and efficient electrical future.

    Significant additions reflect the growth in renewable power technology. New Code articles address the advancement of privately owned wind and solar power generation and distribution equipment -- including coverage of higher voltage systems that were once only the utilities' domain. The new consumer role is a major factor in energy decentralization, and expanded NEC coverage is vital for designers, engineers, contractors, and AHJs. You'll work with:

    • Large-Scale Photovoltaic (PV) Electric Power Production Facility (New Article 691)
    • Energy Storage Systems (New Article 706)
    • Stand-Alone Systems (New Article 710)
    • Direct Current Microgrids (New Article 712)

    Other NEC revisions protect the public and workers from deadly hazards.

    • New labeling, such as detailed arc flash hazard warning on equipment, helps workers and supervisors assess electrical risks.
    • New minimum space clearances for equipment installation clarify the safeguards needed to protect installers and maintainers.
    • Fixed Resistance and Electrode Industrial Process Heating Equipment (New Article 425) presents needed regulations for industry.
    • Revised provisions for AFCI and GFCI protection improve electrical and fire safety in homes.

    Order your 2017 NEC Spiralbound today and be ready for any electrical project.

    NFPA 70, National Electrical Code is the nation's benchmark code for safe electrical installation, and the sturdy 2017 NEC Spiralbound is a smart choice for electrical professionals in the office or on the go. (Spiralbound, 888 pp., 2017)

  • Table of Contents (2023 Current Edition)

    NFPA 70® National Electrical Code®, 2023 Edition

    90 Introduction
    Chapter 1 General
    100 Definitions
    110 General Requirements for Electrical Installations
    Chapter 2 Wiring and Protection
    200 Use and Identification of Grounded Conductors
    210 Branch Circuits Not Over 1000 Volts ac, 1500 Volts dc, Nominal
    215 Feeders
    220 Branch-Circuit, Feeder, and Service Load Calculations
    225 Outside Branch Circuits and Feeders
    230 Services
    235 Branch Circuits, Feeders, and Services Over 1000 Volts ac, 1500 Volts dc, Nominal
    240 Overcurrent Protection
    242 Overvoltage Protection
    245 Overcurrent Protection for Systems Rated Over 1000 Volts ac, 1500 Volts dc
    250 Grounding and Bonding
    Chapter 3 Wiring Methods and Materials
    300 General Requirements for Wiring Methods and Materials
    305 General Requirements for Wiring Methods and Materials for Systems Rated Over 1000 Volts ac, 1500 Volts dc, Nominal
    310 Conductors for General Wiring
    312 Cabinets, Cutout Boxes, and Meter Socket Enclosures
    314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures
    315 Medium Voltage Conductors, Cable, Cable Joints, and Cable Terminations
    320 Armored Cable: Type AC
    322 Flat Cable Assemblies: Type FC
    324 Flat Conductor Cable: Type FCC
    326 Integrated Gas Spacer Cable: Type IGS
    330 Metal-Clad Cable: Type MC
    332 Mineral-Insulated, Metal-Sheathed Cable: Type MI
    334 Nonmetallic-Sheathed Cable: Types NM and NMC
    335 Instrumentation Tray Cable: Type ITC
    336 Power and Control Tray Cable: Type TC
    337 Type P Cable
    338 Service-Entrance Cable: Types SE and USE
    340 Underground Feeder and Branch-Circuit Cable: Type UF
    342 Intermediate Metal Conduit (IMC)
    344 Rigid Metal Conduit (RMC)
    348 Flexible Metal Conduit (FMC)
    350 Liquidtight Flexible Metal Conduit (LFMC)
    352 Rigid Polyvinyl Chloride Conduit (PVC)
    353 High Density Polyethylene Conduit (HDPE Conduit)
    354 Nonmetallic Underground Conduit with Conductors (NUCC)
    355 Reinforced Thermosetting Resin Conduit (RTRC)
    356 Liquidtight Flexible Nonmetallic Conduit (LFNC)
    358 Electrical Metallic Tubing (EMT)
    360 Flexible Metallic Tubing (FMT)
    362 Electrical Nonmetallic Tubing (ENT)
    366 Auxiliary Gutters
    368 Busways
    369 Insulated Bus Pipe (IBP)/Tubular Covered Conductors (TCC) Systems
    370 Cablebus
    371 Flexible Bus Systems
    372 Cellular Concrete Floor Raceways
    374 Cellular Metal Floor Raceways
    376 Metal Wireways
    378 Nonmetallic Wireways
    380 Multioutlet Assembly
    382 Nonmetallic Extensions
    384 Strut-Type Channel Raceway
    386 Surface Metal Raceways
    388 Surface Nonmetallic Raceways
    390 Underfloor Raceways
    392 Cable Trays
    393 Low-Voltage Suspended Ceiling Power Distribution Systems
    394 Concealed Knob-and-Tube Wiring
    395 Outdoor Overhead Conductors over 1000 Volts
    396 Messenger-Supported Wiring
    398 Open Wiring on Insulators
    Chapter 4 Equipment for General Use
    400 Flexible Cords and Flexible Cables
    402 Fixture Wires
    404 Switches
    406 Receptacles, Cord Connectors, and Attachment Plugs (Caps)
    408 Switchboards, Switchgear, and Panelboards
    409 Industrial Control Panels
    410 Luminaires, Lampholders, and Lamps
    411 Low-Voltage Lighting
    422 Appliances
    424 Fixed Electric Space-Heating Equipment
    425 Fixed Resistance and Electrode Industrial Process Heating Equipment
    426 Fixed Outdoor Electric Deicing and Snow-Melting Equipment
    427 Fixed Electric Heating Equipment for Pipelines and Vessels
    430 Motors, Motor Circuits, and Controllers
    440 Air-Conditioning and Refrigerating Equipment
    445 Generators
    450 Transformers and Transformer Vaults (Including Secondary Ties)
    455 Phase Converters
    460 Capacitors
    470 Resistors and Reactors
    480 Stationary Standby Batteries
    495 Equipment Over 1000 Volts ac, 1500 Volts dc, Nominal
    Chapter 5 Special Occupancies
    500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2
    501 Class I Locations
    502 Class II Locations
    503 Class III Locations
    504 Intrinsically Safe Systems
    505 Zone 0, 1, and 2 Locations
    506 Zone 20, 21, and 22 Locations for Combustible Dusts or Ignitible Fibers/Flyings
    511 Commercial Garages, Repair and Storage
    512 Cannabis Oil Equipment and Cannabis Oil Systems Using Flammable Materials
    513 Aircraft Hangars
    514 Motor Fuel Dispensing Facilities
    515 Bulk Storage Plants
    516 Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials
    517 Health Care Facilities
    518 Assembly Occupancies
    520 Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations
    522 Control Systems for Permanent Amusement Attractions
    525 Carnivals, Circuses, Fairs, and Similar Events
    530 Motion Picture and Television Studios and Remote Locations
    540 Motion Picture Projection Rooms
    545 Manufactured Buildings and Relocatable Structures
    547 Agricultural Buildings
    550 Mobile Homes, Manufactured Homes, and Mobile Home Parks
    551 Recreational Vehicles and Recreational Vehicle Parks
    552 Park Trailers
    555 Marinas, Boatyards, Floating Buildings, and Commercial and Noncommercial Docking Facilities
    590 Temporary Installations
    Chapter 6 Special Equipment
    600 Electric Signs and Outline Lighting
    604 Manufactured Wiring Systems
    605 Office Furnishings
    610 Cranes and Hoists
    620 Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts
    625 Electric Vehicle Power Transfer System
    626 Electrified Truck Parking Spaces
    630 Electric Welders
    640 Audio Signal Processing, Amplification, and Reproduction Equipment
    645 Information Technology Equipment
    646 Modular Data Centers
    647 Sensitive Electronic Equipment
    650 Pipe Organs
    660 X-Ray Equipment
    665 Induction and Dielectric Heating Equipment
    668 Electrolytic Cells
    669 Electroplating
    670 Industrial Machinery
    675 Electrically Driven or Controlled Irrigation Machines
    680 Swimming Pools, Fountains, and Similar Installations
    682 Natural and Artificially Made Bodies of Water
    685 Integrated Electrical Systems
    690 Solar Photovoltaic (PV) Systems
    691 Large-Scale Photovoltaic (PV) Electric Supply Stations
    692 Fuel Cell Systems
    694 Wind Electric Systems
    695 Fire Pumps
    Chapter 7 Special Conditions
    700 Emergency Systems
    701 Legally Required Standby Systems
    702 Optional Standby Systems
    705 Interconnected Electric Power Production Sources
    706 Energy Storage Systems
    708 Critical Operations Power Systems (COPS)
    710 Stand-Alone Systems
    722 Cables for Power-Limited Circuits and Fault-Managed Power Circuits
    724 Class 1 Power-Limited Circuits and Class 1 Power-Limited Remote-Control and Signaling Circuits
    725 Class 2 and Class 3 Power-Limited Circuits
    726 Class 4 Fault-Managed Power Systems
    728 Fire-Resistive Cable Systems
    750 Energy Management Systems
    760 Fire Alarm Systems
    770 Optical Fiber Cables
    Chapter 8 Communications Systems
    800 General Requirements for Communications Systems
    805 Communications Circuits
    810 Antenna Systems.
    820 Community Antenna Television and Radio Distribution Systems
    830 Network-Powered Broadband Communications Systems
    840 Premises-Powered Broadband Communications Systems
    Chapter 9 Tables
    Informative Annex A Product Safety Standards
    Informative Annex B Application Information for Ampacity Calculation
    Informative Annex C Conduit, Tubing, and Cable Tray Fill Tables for Conductors and Fixture Wires of the Same Size
    Informative Annex D Examples
    Informative Annex E Types of Construction
    Informative Annex F Availability and Reliability for Critical Operations Power Systems; and Development and Implementation of Functional Performance Tests (FPTs) for Critical Operations Power Systems
    Informative Annex G Supervisory Control and Data Acquisition (SCADA)
    Informative Annex H Administration and Enforcement
    Informative Annex I Recommended Tightening Torque Tables from UL Standard 486A-486B
    Informative Annex J ADA Standards for Accessible Design
    Informative Annex K Use of Medical Electrical Equipment in Dwellings and Residential Board-and-Care Occupancies
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