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NEC
National Electrical Code
| Question | Answer |
|---|---|
| ARTICLE 90 | INTRODUCTION |
| ARTICLE 100 | DEFINITIONS |
| ARTICLE 110 | REQUIREMENTS FOR ELECTRICAL INSTALLATIONS |
| ARTICLE 200 | USE AND I.D. OF GROUNDED CONDUCTORS |
| ARTICLE 210 | BRANCH CIRCUITS |
| ARTICLE 215 | FEEDERS |
| ARTICLE 220 | CALCULATIONS |
| ARTICLE 225 | OUTSIDE BRANCH CIRCUITS AND FEEDERS |
| ARTICLE 230 | SERVICES |
| ARTICLE 240 | OVERCURRENT PROTECTION |
| ARTICLE 250 | GROUNDING AND BONDING |
| ARTICLE 280 | SURGE ARRESTERS |
| ARTICLE 285 | TVSS's |
| ARTICLE 300 | WIRING METHODS |
| ARTICLE 310 | CONDUCTORS FOR GENERAL WIRING |
| ARTICLE 312 | CABINETS, CUT OUT BOXES, AND METER SOCKETS ENCLOSURES |
| ARTICLE 314 | OUTLET, DEVICE, PULL, AND JUNCTION BOXES; CONDUIT BODIES; FITTINGS; AND MANHOLE ENCLOSURES |
| ARTICLE 320 | ARMORED CABLE: AC |
| ARTICLE 322 | FLAT CABLE ASSEMBLIES: FC |
| ARTICLE 324 | FLAT CONDUCTOR CABLE: FCC |
| ARTICLE 326 | INTEGRATED GAS SPACER CABLE: IGS |
| ARTICLE 328 | MEDIUM VOLTAGE CABLE: MV |
| ARTICLE 330 | METAL CLAD CABLE:MC |
| ARTICLE 332 | MINERAL-INSULATED METAL SHEATHED CABLE: MI |
| ARTICLE 334 | NON-METALLIC SHEATHED CABLE: NM,NMC, AND NMS |
| ARTICLE 336 | POWER AND CONTROL TRAY CABLE: TC |
| ARTICLE 338 | SERVICE ENTRANCE CABLE: SE AND USE |
| ARTICLE 340 | UNDERGROUND FEEDER AND BRANCH CIRCUIT CABLE: UF |
| ARTICLE 342 | INTERMEDIATE METAL CONDUIT: IMC |
| ARTICLE 344 | RIGID METAL CONDUIT: RMC |
| ARTICLE 348 | FLEXIBLE METAL CONDUIT: FMC |
| ARTICLE 350 | LIQUID TIGHT FLEXIBLE METAL CONDUIT: LFMC |
| ARTICLE 352 | RIGID NON-METALLIC CONDUIT: RNC |
| ARTICLE 353 | HIGH DENSITY POLYETHYLENE CONDUIT: HDPE |
| ARTICLE 354 | NON-METALLIC UNDERGROUND CONDUIT WITH CONDUCTORS: NUCC |
| ARTICLE 356 | LIQUIDTIGHT FLEXIBLE NON-METALLIC CONDUIT: LFNC |
| ARTICLE 358 | ELECTRICAL METALLIC TUBING: EMT |
| ARTICLE 360 | FLEXIBLE METALLIC TUBING: FMT |
| ARTICLE 362 | ELECTRICAL NON-METALLIC TUBING: ENT |
| ARTICLE 366 | AUXILIARY GUTTERS |
| ARTICLE 368 | BUSWAYS |
| ARTICLE 370 | CABLEBUS |
| ARTICLE 376 | METAL WIREWAYS |
| ARTICLE 378 | NON-METALLIC WIREWAYS |
| ARTICLE 380 | MULTI-OUTLET ASSEMBLY |
| ARTICLE 382 | NON-METALLIC EXTENSIONS |
| ARTICLE 384 | STRUT TYPE CHANNEL RACEWAY |
| ARTICLE 386 | SURFACE METAL RACEWAYS |
| ARTICLE 390 | UNDERFLOOR RACEWAYS |
| ARTICLE 392 | CABLE TRAYS |
| ARTICLE 394 | CONCEALED KNOB AND TUBE WIRING |
| ARTICLE 396 | MESSENGER SUPPORTED WIRING |
| ARTICLE 398 | OPEN WIRING ON INSULATORS |
| ARTICLE 400 | FLEXIBLE CORDS AND CABLES |
| ARTICLE 402 | FIXTURE WIRES |
| ARTICLE 404 | SWITCHES |
| ARTICLE 406 | RECEPTACLES, CORD CONNECTORS, AND ATTACHMENT PLUGS |
| ARTICLE 408 | SWITCHBOARDS AND PANELBOARDS |
| ARTICLE 409 | INDUSTRIAL CONTROL PANELS |
| ARTICLE 410 | LUMINAIRES |
| ARTICLE 411 | LIGHTING SYSTEMS OPERATING > 30V |
| ARTICLE 422 | APPLIANCES |
| ARTICLE 424 | FIXED ELECTRIC SPACE HEATING EQUIPMENT |
| ARTICLE 426 | FIXED ELECTRIC DE-ICING AND SNOW MELTING EQIPMENT |
| ARTICLE 427 | FIXED ELECTRIC HEATING EQUIPMENT FOR PIPELINES AND VESSELS |
| ARTICLE 430 | MOTORS, MOTOR CIRCUITS, AND CONTROLLERS |
| ARTICLE 440 | AIR CONDITIONING AND REFRIDGERATING EQUIPMENT |
| ARTICLE 445 | GENERATORS |
| ARTICLE 450 | XFMR's AND XFMR VAULTS |
| ARTICLE 460 | CAPACITORS |
| ARTICLE 470 | RESISTERS AND REACTORS |
| ARTICLE 480 | STORAGE BATTERIES |
| ARTICLE 490 | EQUIPMENT < 600V |
| ARTICLE 500 | HAZARDOUS LOCATIONS |
| ARTICLE 501 | CLASS 1 LOCATIONS |
| ARTICLE 502 | CLASS 2 LOCATIONS |
| ARTICLE 503 | CLASS 3 LOCATIONS |
| ARTICLE 504 | INTRINSICALLY SAFE LOCATIONS |
| ARTICLE 505 | CLASS ONE, ZONE 0, 1 AND 2 LOCATIONS |
| ARTICLE 506 | ZONE 20, 21, AND 22 LOCATIONS |
| ARTICLE 510 | HAZARDOUS LOCATIONS SPECIFIC |
| ARTICLE 511 | COMMERCIAL GARAGES, REPAIR, AND STORAGE |
| ARTICLE 513 | AIRCRAFT HANGERS |
| ARTICLE 514 | MOTOR FUEL DISPENSING FACILITIES |
| ARTICLE 515 | BULK STORAGE PLANTS |
| ARTICLE 516 | SPRAY APPLICATION, DIPPING, AND COATING PROCESSES |
| ARTICLE 517 | HEALTH CARE FACILITIES |
| ARTICLE 518 | ASSEMBLY OCCUPANCIES |
| ARTICLE 520 | THEATERS, MOTION PICTURE AND TELEVISION STUDIO AUDIENCE AREAS, PERFORMANCE AREA AND SIMILAR LOCATIONS |
| ARTICLE 525 | CARNIVLES, CIRCUSES, FAIRS, AND SIMILAR LOCATIONS |
| ARTICLE 530 | MOTION PICTURE AND TELEVISION STUDIOS AND SIMILAR LOCATIONS |
| ARTICLE 540 | MOTION PICTURE PROJECTION ROOMS |
| ARTICLE 545 | MANUFACTURED BUILDINGS |
| ARTICLE 547 | AGRICULTURAL BUILDINGS |
| ARTICLE 550 | MOBILE HOMES, MANUFACTURED HOMES, AND MOBILE HOME PARKS |
| ARTICLE 551 | RECREATIONAL VEHICLES AND RECREATIONAL VEHICLE PARKS |
| ARTICLE 552 | PARK TRAILERS |
| ARTICLE 553 | FLOATING BUILDINGS |
| ARTICLE 555 | MARINAS AND BOATYARDS |
| ARTICLE 590 | TEMPORARY INSTALLATIONS |
| ARTICLE 600 | ELECTRIC SIGNS AND OUTLINE LIGHTING |
| ARTICLE 604 | MANUFACTURED WIRING SYSTEMS |
| ARTICLE 605 | OFFICE FURNISHINGS WITH LIGHTS AND WIRED PARTITIONS |
| ARTICLE 610 | CRANES AND HOISTS |
| ARTICLE 620 | ELEVATORS, DUMBWAITERS, ESCALATORS, MOVING WALKS, WHEELCHAIR LIFTS, AND STAIRWAY CHAIR LIFTS |
| ARTICLE 625 | ELECTRIC VEHICLE CHARGING SYSTEM |
| ARTICLE 630 | ELECTRIC WELDERS |
| ARTICLE 640 | AUDIO SIGNAL PROCESSING, AMPLIFICATION, AND REPRODUCTION EQUIPMENT |
| ARTICLE 645 | IMFORMATION TECHNOLOGY EQUIPMENT |
| ARTICLE 647 | SENSITIVE ELECTRONIC EQUIPMENT |
| ARTICLE 650 | PIPE ORGANS |
| ARTICLE 660 | X-RAY EQUIPMENT |
| ARTICLE 665 | INDUCTION AND DIELECTRIC HEATING |
| ARTICLE 668 | ELECTROLYTIC CELLS |
| ARTICLE 669 | ELECTROPLATING |
| ARTICLE 670 | INDUSTRIAL MACHINERY |
| ARTICLE 675 | ELECTRICALLY DRIVEN OR CONTROLLED IRRIGATION MACHINES |
| ARTICLE 680 | SWIMMING POOLS, FOUNTAINS, AND SIMILAR LOCATIONS |
| ARTICLE 682 | NATURAL AND ARTIFICIALLY MADE BODIES OF WATER |
| ARTICLE 685 | INTERGRATED ELECTRICAL SYSTEMS |
| ARTICLE 690 | SOLAR VOLTAIC SYSTEMS |
| ARTICLE 692 | FUEL CELL SYSTEMS |
| ARTICLE 695 | FIRE PUMPS |
| ARTICLE 700 | EMERGENCY SYSTEMS |
| ARTICLE 701 | LEGALLY REQUIRED STANDBY SYSTEMS |
| ARTICLE 702 | OPTIONAL STANDBY SYSTEMS |
| ARTICLE 705 | INTERCONNECTED POWER PRODUCTION SOURCES |
| ARTICLE 720 | CIRCUIT AND EQUIPMENT > 50V |
| ARTICLE 725 | CLASS 1, 2, 3 REMOTE CONTROL, SIGNALING, AND POWER LIMITED CIRCUITS |
| ARTICLE 727 | INSTUMENTATION TRAY CABLE: ITC |
| ARTICLE 760 | FIRE ALARM SYSTEMS |
| ARTICLE 770 | OPTICAL FIBER CABLES AND RACWEWAYS |
| ARTICLE 780 | CLOSED-LOOP AND PROGRAMMED POWER DISTRIBUTION |
| ARTICLE 800 | COMMUNICATION CIRCUITS |
| ARTICLE 810 | RADIO AND TELEVISION EQUIPMENT |
| ARTICLE 820 | COMMUNITY ANTENNA TELEVISION AND RADIO |
| ARTICLE 830 | NETWORK POWERED BROADBAND COMMUNICATIONS SYSTEMS |