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National Electrical Code

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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  


   






 
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