Chapter 3 Wiring Methods and Materials

Articles

300 General Requirements for Wiring Methods and Materials

305 General Requirements for Wiring Methods and Materials for Systems Rated Over 1000 Volts ac, 1500 Volts dc, Nominal

310 Conductors for General Wiring

312 Cabinets, Cutout Boxes, and Meter Socket Enclosures

314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhold Enclosures

315 Medium Voltage Conductors, Cable, Cable Joints, and Cable Terminations

320 Type AC – Armored Cables

322 Type FC – Flat Cable Assemblies

324 Type FCC – Flat Conductor Cable

326 Type IGS – Integrated Gas Spacer Cable

330 Type MC – Metal-Clad Cable

332 Type MI – Mineral-Insulated, Metal-Sheethed Cable

334 Type NM and NMC – Nonmetallic-Sheathed Cable

335 Type ITC – Instrumentation Tray Cable

336 Type TC – Power and Control Tray Cable

337 Type P Cable

338 Type SE and USE – Service-Entrance Cable

340 Type UF – Underground Feeder and Branch-Circuit Cable

342 IMC – Intermediate Metal Conduit

344 RMC – Rigid metal Conduit

348 FMC – flexible Metal Conduit

350 LFMC – Liquidtight Flexible Metal Conduit

352 PVC – Rigid Polyvinyl Chloride Conduit

353 HPDE Conduit – High Density Polyethylene Conduit

354 NUCC – Nonmetallic Underground Conduit with Conductors

355 RTRC – Reinforced Thermosetting Resin Conduit

356 LFNC – Liquidtight Flexible Nonmetallic Conduit

358 EMT – Electrical Metallic Tubng

360 FMT – Flexible Metallic Tubing

362 ENT – Electrical Nonmetallic Tubing

366 Auxiliary Gutters

368 Buseays

369 IBP / TCC – Insulated Bus Pipe / Tubular Covered Conductors Systems

370 Cablebus

371 Flexible Bus Systems

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

395 Outdoor Overhead Conductors over 1000 Volts

396 Messenger-Supported Wiring

398 Open Wiring on Insulators

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