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| Preface | |
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| General | |
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| Definitions | |
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| Requirements for Electrical Installations | |
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| Wiring Design and Protection | |
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| Use and Identification of Grounded Conductors | |
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| Branch Circuits | |
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| Feeders | |
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| Branch-Circuit, Feeder, and Service Calculations | |
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| Outside Branch Circuits and Feeders | |
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| Services | |
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| Overcurrent Protection | |
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| Grounding | |
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| Surge Arresters | |
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| Wiring Methods and Materials | |
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| Wiring Methods | |
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| Temporary Wiring | |
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| Conductors for General Wiring | |
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| Cable Trays | |
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| Open Wiring on Insulators | |
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| Messenger Supported Wiring | |
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| Concealed Knob-and-Tube Wiring | |
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| Integrated Gas Spacer Cable�Type IGS | |
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| Medium Voltage Cable�Type MV | |
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| Flat Conductor Cable�Type FCC | |
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| Mineral-Insulated, Metal-Sheathed Cable� Type MI | |
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| Electrical Nonmetallic Tubing | |
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| Armored Cable�Type AC | |
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| Metal-Clad Cable | |
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| Nonmetallic-Sheathed Cable�Types NM, NMC, and NMS | |
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| Service-Entrance Cable�Types SE and USE | |
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| Underground Feeder and Branch-Circuit Cable�Type UF | |
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| Power and Control Tray Cable� Type TC | |
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| Nonmetallic Extensions | |
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| Nonmetallic Underground Conduit With Conductors | |
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| Intermediate Metal Conduit | |
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| Rigid Metal Conduit | |
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| Rigid Nonmetallic Conduit | |
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| Electrical Metallic Tubing | |
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| Flexible Metallic Tubing | |
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| Flexible Metal Conduit | |
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| Liquidtight Flexible Metal Conduit and Liquidtight Flexible Nonmetallic Conduit | |
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| Surface Metal Raceways and Surface Nonmetallic Raceways | |
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| Multioutlet Assembly | |
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| Underfloor Raceways | |
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| Cellular Metal Floor Raceways | |
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| Cellular Concrete Floor Raceways | |
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| Metal Wireways and Nonmetallic Wireways | |
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| Flat Cable Assemblies--Type FC | |
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| Busways | |
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| Cablebus | |
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| Outlet, Device, Pull and Junction Boxes, Conduit Bodies and Fittings | |
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| Cabinets, Cutout Boxes, and Metal Socket Enclosures | |
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| Auxiliary Gutters | |
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| Switches | |
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| Switchboards and Panelboards | |
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| Equipment for General Use | |
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| Flexible Cords and Cables | |
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| Fixture Wires | |
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| Lighting Fixtures, Lampholders, Lamps, and Receptacles | |
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| Lighting Systems Operating at 30 Volts or Less | |
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| Appliances | |
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| Fixed Electric Space Heating Equipment | |
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| Fixed Outdoor Electric De-icing and Snow-Melting Equipment | |
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| Fixed Electric Heating Equipment for Pipelines and Vessels | |
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| Motors, Motor Circuits, and Controllers | |
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| Air Conditioning and Refrigerating Equipment | |
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| Generators | |
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| Transformers and Transformer Vaults (Including Secondary Ties) | |
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| Phase Converters | |
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| Capacitors | |
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| Resistors and Reactors (for Rheostats, See Section 480-82) | |
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| Storage Batteries | |
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| Equipment, over 600 Volts, Nominal | |
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| Special Occupancies | |
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| Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2 | |
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| Class I Locations | |
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| Class II Locations | |
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| Class III Locations | |
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| Intrinsically Safe Systems | |
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| Class I, Zone 0, 1, and 2 Locations | |
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| Hazardous (Classified) Locations�Specific | |