| 2002 | 1999 | Article Title |
|---|---|---|
| 300 | 300 | Wiring Methods |
| 310 | 310 | Conductors for General Wiring |
| 312 | 373 | Cabinets, Cutout Boxes, and Meter Socket Enclosures |
| 314 | 370 | Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Manholes |
| 320 | 333 | Armored Cable: Type AC |
| 322 | 363 | Flat Cable Assemblies: Type FC |
| 324 | 328 | Flat Conductor Cable: Type FCC |
| 326 | 325 | Integrated Gas Spacer Cable: Type IGS |
| 328 | 326 | Medium Voltage Cable: Type MV |
| 330 | 334 | Metal-Clad Cable: Type MC |
| 332 | 330 | Mineral-Insulated, Metal-Sheathed Cable: Type MI |
| 334 | 336 | Nonmetallic-Sheathed Cable: Types NM, NMC, and NMS |
| 336 | 340 | Power and Control Tray Cable: Type TC |
| 338 | 338 | Service-Entrance Cable: Types SE and USE |
| 340 | 339 | Underground Feeder and Branch-Circuit Cable: Type UF |
| 342 | 345 | Intermediate Metal Conduit: Type IMC |
| 344 | 346 | Rigid Metal Conduit: Type RMC |
| 348 | 350 | Flexible Metal Conduit: Type FMC |
| 350 | 351 | (Part A) Liquidtight Flexible Metal Conduit: Type LFMC |
| 352 | 347 | Rigid Nonmetallic Conduit: Type RNC |
| 354 | 343 | Nonmetallic Underground Conduit with Conductors: Type NUCC |
| 356 | 351 | (Part B) Liquidtight Flexible Nonmetallic Conduit: Type LFNC |
| 358 | 348 | Electrical Metallic Tubing: Type EMT |
| 360 | 349 | Flexible Metallic Tubing: Type FMT |
| 362 | 331 | Electrical Nonmetallic Tubing: Type ENT |
| 366 | 374 | Auxiliary Gutters |
| 368 | 364 | Busways |
| 370 | 365 | Cablebus |
| 372 | 358 | Cellular Concrete Floor Raceways |
| 374 | 356 | Cellular Metal Floor Raceways |
| 376 | 362 | (Part A) Metal Wireways |
| 378 | 362 | (Part B) Nonmetallic Wireways |
| 380 | 353 | Multioutlet Assembly |
| 382 | 342 | Nonmetallic Extensions |
| 384 | 352 | (Part C) Strut-Type Channel Raceway |
| 386 | 352 | (Part A) Surface Metal Raceways |
| 388 | 352 | (Part B) Surface Nonmetallic Raceways |
| 390 | 354 | Underfloor Raceways |
| 392 | 318 | Cable Trays |
| 394 | 324 | Concealed Knob-and-Tube Wiring |
| 396 | 321 | Messenger Supported Wiring |
| 398 | 320 | Open Wiring on Insulators |
| 404 | 380 | Switches |
| 406 | 410 | (Part L) Receptacles, Cord Connectors, and Attachment Plugs (Caps) |
| 408 | 384 | Switchboards and Panelboards |
| 527 | 305 | Temporary Installations |