NFPA 70: National Electrical Code (NEC 2023

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NFPA 70: National Electrical Code (NEC

Published By	Publication Date	Number of Pages
NFPA	2023	915

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Category: NFPA

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Description

PDF Catalog

PDF Pages	PDF Title
26	90Introduction
29	Chapter 1 General 100 Definitions
66	110 General Requirements for Electrical Installations
79	Chapter 2 Wiring and Protection 200 Use and Identification of Grounded Conductors
81	210 Branch Circuits Not Over 1000 Volts ac, 1500 Volts dc, Nominal
93	215 Feeders
95	220 Branch-Circuit, Feeder, and Service Load Calculations
105	225 Outside Branch Circuits and Feeders
109	230 Services
119	235 Branch Circuits, Feeders, and Services Over 1000 Volts ac, 1500 Volts dc, Nominal
125	240 Overcurrent Protection
136	242 Overvoltage Protection
138	245 Overcurrent Protection for Systems Rated Over 1000 Volts ac, 1500 Volts dc
140	250 Grounding and Bonding
169	Chapter 3 Wiring Methods and Materials 300 General Requirements for Wiring Methods and Materials
178	305 General Requirements for Wiring Methods and Materials for Systems Rated Over 1000 Volts ac, 1500 Volts dc, Nominal
180	310 Conductors for General Wiring
193	312 Cabinets, Cutout Boxes, and Meter Socket Enclosures
197	314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures
205	315 Medium Voltage Conductors, Cable, Cable Joints, and Cable Terminations
220	320 Armored Cable: Type AC
221	322 Flat Cable Assemblies: Type FC
222	324 Flat Conductor Cable: Type FCC
224	326 Integrated Gas Spacer Cable: Type IGS 330 Metal-Clad Cable: Type MC
226	332 Mineral-Insulated, Metal-Sheathed Cable: Type MI
227	334 Nonmetallic-Sheathed Cable: Types NM and NMC
229	335 Instrumentation Tray Cable: Type ITC
230	336 Power and Control Tray Cable: Type TC
232	337 Type P Cable 338 Service-Entrance Cable: Types SE and USE
233	340 Underground Feeder and Branch-Circuit Cable: Type UF
234	342 Intermediate Metal Conduit (IMC)
235	344 Rigid Metal Conduit (RMC)
237	348 Flexible Metal Conduit (FMC)
239	350 Liquidtight Flexible Metal Conduit (LFMC)
240	352 Rigid Polyvinyl Chloride Conduit (PVC)
242	353 High Density Polyethylene Conduit (HDPE Conduit)
243	354 Nonmetallic Underground Conduit with Conductors (NUCC)
244	355 Reinforced Thermosetting Resin Conduit (RTRC)
246	356 Liquidtight Flexible Nonmetallic Conduit (LFNC)
248	358 Electrical Metallic Tubing (EMT)
249	360 Flexible Metallic Tubing (FMT)
250	362 Electrical Nonmetallic Tubing (ENT)
251	366 Auxiliary Gutters
253	368 Busways
255	369 Insulated Bus Pipe (IBP)/Tubular Covered Conductors (TCC) Systems
256	370 Cablebus
257	371 Flexible Bus Systems
258	372 Cellular Concrete Floor Raceways
259	374 Cellular Metal Floor Raceways
260	376 Metal Wireways
261	378 Nonmetallic Wireways
262	380 Multioutlet Assembly
263	382 Nonmetallic Extensions
264	384 Strut-Type Channel Raceway
265	386 Surface Metal Raceways
266	388 Surface Nonmetallic Raceways
267	390 Underfloor Raceways
268	392 Cable Trays
274	393 Low-Voltage Suspended Ceiling Power Distribution Systems
276	394 Concealed Knob-and-Tube Wiring 395 Outdoor Overhead Conductors over 1000 Volts
277	396 Messenger-Supported Wiring
278	398 Open Wiring on Insulators
280	Chapter 4 Equipment for General Use 400 Flexible Cords and Flexible Cables
294	402 Fixture Wires 404 Switches
300	406 Receptacles, Cord Connectors, and Attachment Plugs (Caps)
306	408 Switchboards, Switchgear, and Panelboards
310	409 Industrial Control Panels
311	410 Luminaires, Lampholders, and Lamps
320	411 Low-Voltage Lighting
321	422 Appliances
325	424 Fixed Electric Space-Heating Equipment
333	425 Fixed Resistance and Electrode Industrial Process Heating Equipment
337	426 Fixed Outdoor Electric Deicing and Snow-Melting Equipment
339	427 Fixed Electric Heating Equipment for Pipelines and Vessels
341	430 Motors, Motor Circuits, and Controllers
368	440 Air-Conditioning and Refrigerating Equipment
374	445 Generators
376	450 Transformers and Transformer Vaults (Including Secondary Ties)
382	455 Phase Converters
383	460 Capacitors
385	470 Resistors and Reactors 480 Stationary Standby Batteries
387	495 Equipment Over 1000 Volts ac, 1500 Volts dc, Nominal
392	Chapter 5 Special Occupancies 500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2
399	501 Class I Locations
410	502 Class II Locations
415	503 Class III Locations
418	504 Intrinsically Safe Systems
420	505 Zone 0, 1, and 2 Locations
434	506 Zone 20, 21, and 22 Locations for Combustible Dusts or Ignitible Fibers/Flyings
440	511 Commercial Garages, Repair and Storage
443	512 Cannabis Oil Equipment and Cannabis Oil Systems Using Flammable Materials
446	513 Aircraft Hangars
449	514 Motor Fuel Dispensing Facilities
454	515 Bulk Storage Plants
457	516 Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials
467	517 Health Care Facilities
484	518 Assembly Occupancies
486	520 Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations
493	522 Control Systems for Permanent Amusement Attractions
494	525 Carnivals, Circuses, Fairs, and Similar Events
496	530 Motion Picture and Television Studios and Remote Locations
499	540 Motion Picture Projection Rooms
500	545 Manufactured Buildings and Relocatable Structures
501	547 Agricultural Buildings
503	550 Mobile Homes, Manufactured Homes, and Mobile Home Parks
511	551 Recreational Vehicles and Recreational Vehicle Parks
521	552 Park Trailers
530	555 Marinas, Boatyards, Floating Buildings, and Commercial and Noncommercial Docking Facilities
534	590 Temporary Installations
537	Chapter 6 Special Equipment 600 Electric Signs and Outline Lighting
543	604 Manufactured Wiring Systems
544	605 Office Furnishings
545	610 Cranes and Hoists
549	620 Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts
559	625 Electric Vehicle Power Transfer System
563	626 Electrified Truck Parking Spaces
566	630 Electric Welders
568	640 Audio Signal Processing, Amplification, and Reproduction Equipment
572	645 Information Technology Equipment
576	646 Modular Data Centers
579	647 Sensitive Electronic Equipment
580	650 Pipe Organs
581	660 X-Ray Equipment
582	665 Induction and Dielectric Heating Equipment
583	668 Electrolytic Cells
585	669 Electroplating
586	670 Industrial Machinery
587	675 Electrically Driven or Controlled Irrigation Machines
589	680 Swimming Pools, Fountains, and Similar Installations
603	682 Natural and Artificially Made Bodies of Water
605	685 Integrated Electrical Systems
606	690 Solar Photovoltaic (PV) Systems
616	691 Large-Scale Photovoltaic (PV) Electric Supply Stations
617	692 Fuel Cell Systems
618	694 Wind Electric Systems
621	695 Fire Pumps
628	Chapter 7 Special Conditions 700 Emergency Systems
635	701 Legally Required Standby Systems
639	702 Optional Standby Systems
641	705 Interconnected Electric Power Production Sources
646	706 Energy Storage Systems
649	708 Critical Operations Power Systems (COPS)
655	710 Stand-Alone Systems 722 Cables for Power-Limited Circuits and Fault-Managed Power Circuits
661	724 Class 1 Power-Limited Circuits and Class 1 Power-Limited Remote-Control and Signaling Circuits
664	725 Class 2 and Class 3 Power-Limited Circuits
667	726 Class 4 Fault-Managed Power Systems
670	728 Fire-Resistive Cable Systems
671	750 Energy Management Systems
672	760 Fire Alarm Systems
680	770 Optical Fiber Cables
689	Chapter 8 Communications Systems 800 General Requirements for Communications Systems
704	805 Communications Circuits
707	810 Antenna Systems.
710	820 Community Antenna Television and Radio Distribution Systems
711	830 Network-Powered Broadband Communications Systems
716	840 Premises-Powered Broadband Communications Systems
718	Chapter 9 Tables
737	Informative Annex A Product Safety Standards
763	Informative Annex B Application Information for Ampacity Calculation
837	Informative Annex D Examples
851	Informative Annex E Types of Construction
853	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
855	Informative Annex G Supervisory Control and Data Acquisition (SCADA)
856	Informative Annex H Administration and Enforcement
862	Informative Annex I Recommended Tightening Torque Tables from UL Standard 486A-486B
864	Informative Annex J ADA Standards for Accessible Design
867	Informative Annex K Use of Medical Electrical Equipment in Dwellings and Residential Board-and-Care Occupancies