52 Modern Commercial Wiring Copyright Goodheart-Willcox Co., Inc. Goodheart-Willcox Publisher Figure 4-13. This table lists the articles contained in the General Installation section of the Code. Section One—General Installations Article Title Article Title 90 Introduction 360 362 366 368 370 372 374 376 378 380 382 384 386 388 390 392 393 394 396 398 399 Flexible Metallic Tubing: Type FMT Electrical Nonmetallic Tubing: Type ENT Auxiliary Gutters Busways Cablebus Cellular Concrete Floor Raceways Cellular Metal Floor Raceways Metal Wireways Nonmetallic Wireways Multioutlet Assembly Nonmetallic Extensions Strut-Type Channel Raceway Surface Metal Raceways Surface Nonmetallic Raceways Underfl oor Raceways Cable Trays Low-Voltage Suspended Ceiling Power Distribution Systems Concealed Knob-and-Tube Wiring Messenger-Supported Wiring Open Wiring on Insulators Outdoor Overhead Conductors over 1000 Volts 100 110 Defi nitions Requirements for Electrical Installations 200 210 215 220 225 230 240 242 250 280 285 Use and Identifi cation of Grounded Conductors Branch Circuits Feeders Branch-Circuit, Feeder, and Service Calculations Outside Branch Circuits and Feeders Services Overcurrent Protection Overvoltage Protection Grounding and Bonding Surge Arresters, Over 1 kV Surge-Protective Devices (SPDs), 1 kV or Less 300 310 312 314 320 322 324 326 328 330 332 334 336 338 340 342 344 348 350 352 353 354 355 356 358 General Requirements for Wiring Methods and Materials Conductors for General Wiring Cabinets, Cutout Boxes, and Meter Socket Enclosures Outlet, Device, Pull and Junction Boxes Conduit Bodies Fittings and Handhole Enclosures Armored Cable: Type AC Flat Cable Assemblies: Type FC Flat Conductor Cable: Type FCC Integrated Gas Spacer Cable: Type IGS Medium Voltage Cable: Type MV Metal-Clad Cable: Type MC Mineral-Insulated, Metal-Sheathed Cable: Type MI Nonmetallic-Sheathed Cable: Types NM, NMC, NMS Power and Control Tray Cable: Type TC Service-Entrance Cable: Types SE and USE Underground Feeder and Branch-Circuit Cable: Type UF Intermediate Metal Conduit: Type IMC Rigid Metal Conduit: Type RMC Flexible Metal Conduit: Type FMC Liquidtight Flexible Metal Conduit: Type LFMC Rigid Polyvinyl Chloride Conduit: Type PVC High Density Polyethylene Conduit: Type HDPE Conduit Nonmetallic Underground Conduit with Conductors: Type NUCC Reinforced Thermosetting Resin Conduit: Type RTRC Liquidtight Flexible Nonmetallic Conduit: Type LFNC Electrical Metallic Tubing: Type EMT 400 402 404 406 408 409 410 411 422 424 425 426 427 430 440 445 450 455 460 470 480 490 Flexible Cords and Flexible Cables Fixture Wires Switches Receptacles, Cord Connectors, and Attachment Plugs (Caps) Switchboards, Switchgear, and Panelboards Industrial Control Panels Luminaires, Lampholders, and Lamps Low-Voltage Lighting Appliances Fixed Electric Space-Heating Equipment Fixed Resistance and Electrode Industrial Process Heating Equipment Fixed Outdoor Electric Deicing and Snow- Melting Equipment Fixed Electric Heating Equipment for Pipelines and Vessels Motors, Motor Circuits, and Controllers Air-Conditioning and Refrigerating Equipment Generators Transformers and Transformer Vaults (Including Secondary Ties) Phase Converters Capacitors Resistors and Reactors Storage Batteries Equipment Over 1000 Volts, Nominal