Title Details

Introduction.

Article Chapter 1: General.

100 Definitions.

110 Requirements for Electrical Installations.

Chapter 2: Wiring Design 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.

280 Surge Arresters.

Chapter 3: Wiring Methods and Materials.

300 Wiring Methods.

310 Conductors for General Wiring.

312 Cabinets and Cutout Boxes.

314 Outlet, Device, Pull, and Junction Boxes, Conduit Bodies, and Fittings.

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 and NMC.

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.

344 Rigid Metal Conduit.

348 Flexible Metal Conduit.

356 Liquid-Tight Flexible Nonmetallic Conduit.

352 Rigid Nonmetallic Conduit.

354 Nonmetallic Underground Conduit with Conductors.

358 Electrical Metallic Tubing.

360 Flexible Metallic Tubing.

362 Electrical Nonmetallic Tubing.

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.

386 Surface Metal Raceways.

388 Surface Nonmetallic Raceways.

390 Underfloor Raceways.

392 Cable Trays.

394 Concealed Knob-and-Tube Wiring.

396 Messenger-Supported Wiring.

398 Open Wiring on Insulators.

Chapter 4: Equipment for General Use.

400 Flexible Cords and Cables.

402 Fixture Wires.

404 Switches.

408 Switchboards and Panelboards.

410 Lighting Fixtures, Lampholders, Lamps, Receptacles, and Rosettes.

422 Appliances.

424 Fixed Electrical Space-Heating Equipment.

426 Fixed Outdoor Electric De-icing 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).

460 Capacitors.

470 Resistors and Reactors.

480 Storage Batteries.

490 Equipment Over 600 Volts, Nominal.

Chapter 5: Special Occupancies.

500 Hazardous (Classified) Locations.

501 Class I Locations.

502 Class II Locations.

503 Class III Locations.

504 Intrinsically Safe Systems.

505 Class I, Zone 0, 1, and 2 Locations.

510 Hazardous (Classified) Locations—Specific.

511 Commercial Garages, Repair, and Storage.

513 Aircraft Hangars.

514 Gasoline-Dispensing and Service Stations.

515 Bulk Storage Plants.

516 Spray Application, Dipping, and Coating Processes.

517 Health Care Facilities.

518 Places of Assembly.

520 Theaters and Similar Locations.

527 Temporary Wiring.

530 Motion Picture and Television Studios and Similar Locations.

540 Motion-Picture Projectors.

545 Manufactured Building.

547 Agricultural Buildings.

550 Mobile Homes and Mobile Home Parks.

551 Recreational Vehicles and Recreational Vehicle Parks.

553 Floating Buildings.

555 Marinas and Boatyards.

Chapter 6: Special Equipment.

600 Electric Signs and Outline Lighting.

604 Manufactured Wiring Systems.

605 Office Furnishings (Consisting of Lighting Accessories and Wired Partitions).

610 Cranes and Hoists.

620 Elevators, Dumbwaiters, Escalators, and Moving Walks.

630 Electric Welders.

640 Sound-Recording and Similar Equipment.

645 Information Technology Equipment.

650 Organs.

660 X-Ray Equipment.

665 Induction and Dielectric Heating Equipment.

668 Electrolytic Cells.

669 Electroplating.

670 Industrial Machinery.

675 Electrically Driven and Controlled Irrigation Machines.

680 Swimming Pools, Fountains, and Similar Installations.

685 Integrated Electrical Systems.

690 Solar Photovoltaic Systems.

Chapter 7: Special Conditions.

700 Emergency Systems.

701 Legally Required Standby Systems.

702 Optional Standby Systems.

705 Interconnected Electric Power Production Sources.

720 Circuits and Equipment Operating at Less Than 50 Volts.

725 Class 1, Class 2, Class 3, and Class 4 Remote-Control, Signaling, and Power-Limited Circuits.

760 Fire Protective Signaling Systems.

770 Optical Fiber Cables and Raceways.

780 Closed-Loop and Programmed Power Distribution.

Chapter 8: Communications Systems.

800 Communication Circuits.

810 Radio and Television Equipment.

820 Community Antenna Television and Radio Distribution Systems.

Chapter 9 Tables and Examples.

Annex A.

Annex B.

Annex C.

Annex D.

Index.