nec 2023 flashcards

90

Introductions

100

Definitions

110

General requirements for electrical installations

200

Use and identification of grounded conductors

210

Branch Circuits not over 1000 volts

215

Feeders

220

Branch Circuit Feeder and Service Load Calculations

225

Outside branch circuits and feeders

235

Branch Circuits and Feeders over 1000 volts AC, 1500 DC

240

Overcurrent protection

242

Overvoltage protection

245

Overcurrent Protections for systems rated over 1000 Volts

250

Grounding and Bonding

300

General requirements for wiring methods and materials

305

General Requirements for wiring methods and materials for systems rated over 1000 volts

310

Conductors for general wiring

312

Cabinets , cutout boxes ; and meter socket enclosures

314

Outlet , device, pull and junction boxes; conduit bodies ; fittings ; handhole enclosures

315

Medium voltage conductors, cable, cable joints, cable terminations

320

Armored Cable Type AC

322

Flat Cable Assemblies Type FC

324

Flat Conductor Cable Type FCC

325

Integrated Gas Space Cable TYPE IGS

330

Metal Clad Cable Type MC

332

Mineral Insulated, Metal Sheathed Cable type MI

334

Nonmetallic Sheathed Cable: Types NM and NMC

335

Instrumentation Tray Cable Type ITC

336

Power and Control Tray Cable TYPE TC

337

Type P Cable

338

Service Enable Cable Types SE and USE

340

Underground Feeder and Branch Circuit Cable: Type UF

342

Intermediate Metal Conduit IMC

344

Flexible Metal Conduit

350

Liquid tight flexible metal conduit LFMC

352

Rigid Polyvinyl chloride conduit PVC

353

High Density Polyethylene Conduit HDPE Conduit

354

Nonmetallic Underground Conduit with conductors NUCC

355

Reinforced Thermosetting Resin Conduit RTRC

356

Liquid tight flexible nonmetallic conduit LFNC

358

Electric Metal Tubing EMT

360

Flexible Metal Tubing

362

Electric nonmetallic Tubing ENT

366

Auxiliary gutters

368

Busways

369

Insulated Bus Pipe / Tubular Covered Conductors

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

Messenger-Supporte Wiring

398

Open Wiring on Insulators

400

Flexible Cords and Flexible Cables

402

Fixture Wires

404

Switches

406

Receptables, Cord Connectors, and attachment plugs

408

Switchboards, Switchgear, and Panelboards

409

Industrial Control Panels

410

Luminaires

411

Low Voltage Lighting

422

Appliances

424

Fixed Electric Space-Heating Equipment

425

Fixed Resistance and Electrode Industrial Process Heating Equipment

426

Fixed Outdoor Electric Deicing and Snow Melting Equipment

427

Fixed Electric Heating Equipment for Pipelines and Vessels

430

Motors

440

AC / Refrigerating Equipment

445

Generators

450

Transformers and Transformer Vaults

455

Phase Converters

460

Capacitors

470

Resistors and Reactors

480

Stationary Standby Batteries

495

Equipment over 1000 Volts

500

Hazardous Locations

501

Class 1 Locations

502

Class 2 Locations

503

Class 3 Locations

504

Intrinsically Safe Systems

505

Zone 0, 1, and 2 locations

506

Zone 20, 21, and 22 Locations for combustable Dusts

511

Commercial Garages , Repair and Storage

512

Cannabis Oil Equipment and Cannabis Oil

513

Aircraft Hangars

514

Motor Fuel Dispensing Facilities

515

Bulk Storage Plants

516

Spray Application, Dipping, Coating

517

Health Care Facilities

518

Assembly Occupancies

520

Theaters