NEC 2023 Chapter and Article Titles
What is the title of Chapter 1?
General
What is the title of Chapter 2?
Wiring and Protection
What is the title of Chapter 3?
Wiring Methods and Materials
What is the title of Chapter 4?
Equipment for General Use
What is the title of Chapter 5?
Special Occupancies
What is the title of Chapter 6?
Special Equipment
What is the title of Chapter 7?
Special Conditions
What is the title of Chapter 8?
Communications Systems
What is the title of Chapter 9?
Tables
Definitions
100
General Requirements for Electrical Installations
110
Use and Identification of Grounded Conductors
200
Branch Circuits Not Over 1000 Volts ac, 1500 Volts dc, Nominal
210
Feeders
215
Branch-Circuit, Feeder, and Service Load Calculations
220
Outside Branch Circuits and Feeders
225
Services
230
Branch Circuits, Feeders, and Services Over 1000 Volts ac, 1500 Volts dc, Nominal
235
Overcurrent Protection
240
Overvoltage Protection
242
Overcurrent Protection for Systems Rated Over 1000 Volts ac, 1500 Volts dc
245
Grounding and Bonding
250
General Requirements for Wiring Methods and Materials
300
General Requirements for Wiring Methods and Materials for Systems Rated Over 1000 Volts ac, 1500 Volts dc, Nominal
305
Conductors for General Wiring
310
Cabinets, Cutout Boxes, and Meter Socket Enclosures
312
Outlet, Device, Pull and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures
314
Medium Voltage Conductors, Cable, Cable Joints, and Cable Terminations
315
Armored Cable: Type AC
320
Metal-Clad Cable: Type MC
330
Nonmetallic-Sheathed Cable: Types NM and NMC
334
Underground Feeder and Branch-Circuit Cable: Type UF
340
Rigid Metallic Conduit (RMC)
344
Liquidtight Flexible Metal Conduit (LFMC)
350
Rigid Polyvinyl Chloride Conduit (PVC)
352
Electrical Metallic Tubing (EMT)
358
Auxiliary Gutters
366
Busways
368
Metal Wireways
376
Nonmetallic Wireways
378
Cable Trays
392
Outdoor Overhead Conductors Over 1000 Volts
395
Flexible Cords and Flexible Cables
400
Fixture Wires
402
Switches
404
Receptacles, Cord Connectors, and Attachment Plugs (Caps)
406
Switchboards, Switchgear, and Panelboards
408
Industrial Control Panels
409
Luminaires, Lampholders, and Lamps
410
Low-Voltage Lighting
411
Appliances
422
Fixed Electric Space-Heating Equipment
424
Motors, Motor Circuits, and Controllers
430
Air-Conditioning and Refrigerating Equipment
440
Generators
445
Transformers and Transformer Vaults (Including Secondary Ties)
450
Equipment Over 1000 Volts ac, 1500 Volts dc, Nominal
495
Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2
500
Class I Locations
501
Class II Locations
502
Class III Locations
503
Zone 0, 1, and 2 Locations
505
Zone 20, 21, and 22 Locations for Combustible Dusts or Ignitible Fibers/Flyings
506
Commercial Garages, Repair and Storage
511
Aircraft Hangars
513
Motor Fuel Dispensing Facilities
514
Bulk Storage Plants
515
Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials
516
Health Care Facilities
517
Assembly Occupancies
518
Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations
520
Manufactured Buildings and Relocatable Structures
545
Agricultural Buildings
547
Mobile Homes, Manufactured Homes, and Mobile Home Parks
550
Recreational Vehicles and Recreational Vehicle Parks
551
Park Trailers
552
Marinas, Boatyards, Floating Buildings, and Commercial and Noncommercial Docking Facilities
555
Temporary Installations
590
Electric Signs and Outline Lighting
600
Cranes and Hoists
610
Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts
620
Electric Vehicle Power Transfer Systems
625
Electric Welders
630
Information Technology Equipment
645
Swimming Pools, Fountains, and Similar Installations
680
Natural and Artificially Made Bodies of Water
682
Solar Photovoltaic (PV) Systems
690
Fire Pumps
695
Emergency Systems
700
Legally Required Standby Systems
701
Optional Standby Systems
702
Interconnected Electric Power Production Sources
705
Energy Storage Systems
706
Class 2 and Class 3 Power-Limited Circuits
725
Fire Alarm Systems
760
Optical Fiber Cables
770
General Requirements for Communications Systems
800
Communications Circuits
805