2014 NFPA 70: NEC
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  • Description

    Many new and revised requirements in the 2014 NEC® impact residential, commercial, and industrial electrical installations.

    The 2014 NFPA 70®: NEC® covers the latest requirements on electrical wiring and equipment installation issues, including minimum provisions for the use of connections, voltage markings, conductors, and cables. Chapters address specific circumstances surrounding special occupancies and industrial equipment and machines. It also contains specific details on the safe installation and use of communications and signaling conductors.

    All requirements in the National Electrical Code® are confirmed through a rigorous process of comprehensive review, markup, annotation and revision. The NEC has been published since 1897, and in that time the code and its accompanying National Electrical Code Handbook have undergone radical restructuring to reflect the latest electrical and wiring technologies.

    The 2014 edition of the NEC has been revised to include important changes such as:

    • Expanded AFCI and GFCI protection in homes
    • Continued emphasis on making installations safe for electrical workers
    • Coverage of new methods to distribute low voltage power
    • New approaches toward ensuring safety of photovoltaic (PV) electric systems
    • Changes to the long-standing voltage thresholds used in the Code
    • Plus hundreds of others that allow for the safe implementation of the latest in electrical system and equipment technology.

    Stay ahead with the 2014 NEC's safety updates and time-tested, trusted guidance.

    Electrical hazards result in many thousands of accidents in residences and commercial spaces each year. NFPA 70: National Electrical Code is the nation's singular code for safe electrical installation. Over its 100+ years of publication, the NEC has become the most trusted electrical standard throughout much of the world, lending considerable weight to its authoritative collection of code requirements. As time moves forward, so does the NEC. The 2014 edition added four all-new Articles on growing technologies such as:

    • Low Voltage Direct Current Distribution Systems (Article 393)
    • Modular Data Centers (Article 646)
    • Fire Resistive Cable Systems (Article 728)
    • Energy Management Systems (Article 750)

    The NEC 70 provides the most comprehensive set of rules for all types of electrical wiring and equipment.

    The Code's charter is broad, covering electrical conductors, equipment, and raceways for a wide array of spaces and premises. This includes all public and private buildings, homes, and structures; outdoor yards and lots; installations that connect to the power grid; and utility equipment. Major changes in the NEC also respond to electrical safety concerns with respect to NFPA 70E®: Standard for Electrical Safety in the Workplace®, such as new centralized locking requirements, field marking of equipment, and hazard warning labels.

    Get up-to-code with the new 2014 National Electrical Code from NFPA!

    NFPA 70 is the foundation of all electrical wiring and practice in the United States, and going without the latest edition creates a needless risk. Protect lives and property from electrical dangers and buy the 2014 National Electrical Code today. (Print, 910 pp., 2014)

  • Table of Contents
    NFPA 70<sup>®</sup> National Electrical Code<sup>®</sup> 2014 Edition

    NFPA 70® National Electrical Code® 2014 Edition

    90 Introduction
    Chapter 1 General
    100 Definitions
    110 Requirements for Electrical Installations
    Chapter 2 Wiring and Protection
    200 Use and Identification of Grounded Conductors
    210 Branch Circuits
    215 Feeders
    220 Branch-Circuit, Feeder, and Service Calculations
    225 Outside Branch Circuits and Feeders
    230 Services
    240 Overcurrent Protection
    250 Grounding and Bonding
    280 Surge Arresters, Over 1000 Volts
    285 Surge-Protective Devices (SPDs), 1000 Volts or Less
    Chapter 3 Wiring Methods and Materials
    300 General Requirements for Wiring Methods and Materials
    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
    320 Armored Cable: Type AC
    322 Flat Cable Assemblies: Type FC
    324 Flat Conductor Cable: Type FCC
    326 Integrated Gas Spacer Cable: Type IGS
    328 Medium Voltage Cable: Type MV
    330 Metal-Clad Cable: Type MC
    332 Mineral-Insulated, Metal-Sheathed Cable: Type MI
    334 Nonmetallic-Sheathed Cable: Types NM, NMC, and NMS
    336 Power and Control Tray Cable: Type TC
    338 Service-Entrance Cable: Types SE and USE
    340 Underground Feeder and Branch-Circuit Cable: Type UF
    342 Intermediate Metal Conduit: Type IMC
    344 Rigid Metal Conduit: Type RMC
    348 Flexible Metal Conduit: Type FMC
    350 Liquidtight Flexible Metal Conduit: Type LFMC
    352 Rigid Polyvinyl Chloride Conduit: Type PVC
    353 High Density Polyethylene Conduit: Type HDPE Conduit
    354 Nonmetallic Underground Conduit with Conductors: Type NUCC
    355 Reinforced Thermosetting Resin Conduit: Type RTRC
    356 Liquidtight Flexible Nonmetallic Conduit: Type LFNC
    358 Electrical Metallic Tubing: Type EMT
    360 Flexible Metallic Tubing: Type FMT
    362 Electrical Nonmetallic Tubing: Type ENT
    366 Auxiliary Gutters
    368 Busways
    370 Cablebus
    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
    396 Messenger-Supported Wiring
    398 Open Wiring on Insulators
    399 Outdoor Overhead Conductors over 1000 Volts
    Chapter 4 Equipment for General Use
    400 Flexible Cords and 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 Lighting Systems Operating at 30 Volts or Less and Lighting Equipment Connected to Class-2 Power Sources
    422 Appliances
    424 Fixed Electric Space-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 Storage Batteries
    490 Equipment Over 1000 Volts, 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
    510 Hazardous (Classified) Locations  Specific
    511 Commercial Garages, Repair and Storage
    513 Aircraft Hangars
    514 Motor Fuel Dispensing Facilities
    515 Bulk Storage Plants
    516 Spray Application, Dipping, Coating, and Printing Processes Using Flammable 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 Similar Locations
    540 Motion Picture Projection Rooms
    545 Manufactured Buildings
    547 Agricultural Buildings
    550 Mobile Homes, Manufactured Homes, and Mobile Home Parks
    551 Recreational Vehicles and Recreational Vehicle Parks
    552 Park Trailers
    553 Floating Buildings
    555 Marinas and Boatyards
    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 Charging 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
    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
    708 Critical Operations Power Systems (COPS)
    720 Circuits and Equipment Operating at Less Than 50 Volts
    725 Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits
    727 Instrumentation Tray Cable: Type ITC
    728 Fire-Resistive Cable Systems
    750 Energy Management Systems
    760 Fire Alarm Systems
    770 Optical Fiber Cables and Raceways
    Chapter 8 Communications Systems
    800 Communications Circuits
    810 Radio and Television Equipment
    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 BApplication Information for Ampacity Calculation
    Informative Annex C Conduit and Tubing 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-B
    Informative Annex J ADA Standards for Accessible Design
    Index
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  • NEC Tabs

    Boost your referencing power with NFPA®'s best-selling NEC® Tabs for your NEC Code or NEC Handbook.

    Invest in this easy way to save time on every electrical job. Self-adhesive NEC Tabs affix to the edition your copy of NFPA 70®: National Electrical Code® or NEC Handbook, so you can flip open your book to the latest electrical safety information.

    NEC Tabs highlight electrical topics by Code article and name including:

    • 210 Branch Circuits
    • 8 GFCI Protection
    • 12 AFCI Protection
    • 215 Feeders
    • 220 Calculations
    • 240 Overcurrent Protection
    • 250 Grounding and Bonding
    • 310 Conductors
    • 404 Switches
    • 408 Panelboards
    • 422 Appliances
    • 430 Motors
    • 500 Hazardous Locations
    • 517 Health Care Facilities
    • 706 Energy Storage Systems
    • 760 Fire Alarm Systems
    • Plus 4 blank Tabs you can customize! 

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    Discover why thousands of electrical professionals won't work without self-adhesive NEC Tabs. (For use with NEC Softbound, Looseleaf, Spiralbound, and the hardbound NEC Handbook; Set of 96)