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