{"id":392151,"date":"2024-10-20T04:02:54","date_gmt":"2024-10-20T04:02:54","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/nfpa-70-national-electrical-code-nec-2020-3\/"},"modified":"2024-10-26T07:31:33","modified_gmt":"2024-10-26T07:31:33","slug":"nfpa-70-national-electrical-code-nec-2020-3","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/nfpa\/nfpa-70-national-electrical-code-nec-2020-3\/","title":{"rendered":"NFPA 70: National Electrical Code (NEC) 2020"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
32<\/td>\n | 90 Introduction <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | Chapter 1 General 100 Definitions <\/td>\n<\/tr>\n | ||||||
49<\/td>\n | 110 Requirements for Electrical Installations <\/td>\n<\/tr>\n | ||||||
61<\/td>\n | Chapter 2 Wiring and Protection 200 Use and Identification of Grounded Conductors <\/td>\n<\/tr>\n | ||||||
63<\/td>\n | 210 Branch Circuits <\/td>\n<\/tr>\n | ||||||
74<\/td>\n | 215 Feeders <\/td>\n<\/tr>\n | ||||||
76<\/td>\n | 220 Branch-Circuit, Feeder, and Service Load Calculations <\/td>\n<\/tr>\n | ||||||
85<\/td>\n | 225 Outside Branch Circuits and Feeders <\/td>\n<\/tr>\n | ||||||
91<\/td>\n | 230 Services <\/td>\n<\/tr>\n | ||||||
100<\/td>\n | 240 Overcurrent Protection <\/td>\n<\/tr>\n | ||||||
112<\/td>\n | 242 Overvoltage Protection <\/td>\n<\/tr>\n | ||||||
114<\/td>\n | 250 Grounding and Bonding <\/td>\n<\/tr>\n | ||||||
143<\/td>\n | Chapter 3 Wiring Methods and Materials 300 General Requirements for Wiring Methods and Materials <\/td>\n<\/tr>\n | ||||||
154<\/td>\n | 310 Conductors for General Wiring <\/td>\n<\/tr>\n | ||||||
168<\/td>\n | 311 Medium Voltage Conductors and Cable <\/td>\n<\/tr>\n | ||||||
182<\/td>\n | 312 Cabinets, Cutout Boxes, and Meter Socket Enclosures <\/td>\n<\/tr>\n | ||||||
185<\/td>\n | 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures <\/td>\n<\/tr>\n | ||||||
193<\/td>\n | 320 Armored Cable: Type AC <\/td>\n<\/tr>\n | ||||||
194<\/td>\n | 322 Flat Cable Assemblies: Type FC <\/td>\n<\/tr>\n | ||||||
195<\/td>\n | 324 Flat Conductor Cable: Type FCC <\/td>\n<\/tr>\n | ||||||
197<\/td>\n | 326 Integrated Gas Spacer Cable: Type IGS <\/td>\n<\/tr>\n | ||||||
198<\/td>\n | 330 Metal-Clad Cable: Type MC <\/td>\n<\/tr>\n | ||||||
200<\/td>\n | 332 Mineral-Insulated, Metal-Sheathed Cable: Type MI <\/td>\n<\/tr>\n | ||||||
201<\/td>\n | 334 Nonmetallic-Sheathed Cable: Types NM and NMC <\/td>\n<\/tr>\n | ||||||
203<\/td>\n | 336 Power and Control Tray Cable: Type TC <\/td>\n<\/tr>\n | ||||||
205<\/td>\n | 337 Type P Cable 338 Service-Entrance Cable: Types SE and USE <\/td>\n<\/tr>\n | ||||||
207<\/td>\n | 340 Underground Feeder and Branch-Circuit Cable: Type UF 342 Intermediate Metal Conduit: Type IMC <\/td>\n<\/tr>\n | ||||||
209<\/td>\n | 344 Rigid Metal Conduit: Type RMC <\/td>\n<\/tr>\n | ||||||
210<\/td>\n | 348 Flexible Metal Conduit: Type FMC <\/td>\n<\/tr>\n | ||||||
212<\/td>\n | 350 Liquidtight Flexible Metal Conduit: Type LFMC <\/td>\n<\/tr>\n | ||||||
213<\/td>\n | 352 Rigid Polyvinyl Chloride Conduit: Type PVC <\/td>\n<\/tr>\n | ||||||
215<\/td>\n | 353 High Density Polyethylene Conduit: Type HDPE Conduit <\/td>\n<\/tr>\n | ||||||
216<\/td>\n | 354 Nonmetallic Underground Conduit with Conductors: Type NUCC <\/td>\n<\/tr>\n | ||||||
218<\/td>\n | 355 Reinforced Thermosetting Resin Conduit: Type RTRC <\/td>\n<\/tr>\n | ||||||
220<\/td>\n | 356 Liquidtight Flexible Nonmetallic Conduit: Type LFNC <\/td>\n<\/tr>\n | ||||||
221<\/td>\n | 358 Electrical Metallic Tubing: Type EMT <\/td>\n<\/tr>\n | ||||||
222<\/td>\n | 360 Flexible Metallic Tubing: Type FMT <\/td>\n<\/tr>\n | ||||||
223<\/td>\n | 362 Electrical Nonmetallic Tubing: Type ENT <\/td>\n<\/tr>\n | ||||||
225<\/td>\n | 366 Auxiliary Gutters <\/td>\n<\/tr>\n | ||||||
227<\/td>\n | 368 Busways <\/td>\n<\/tr>\n | ||||||
229<\/td>\n | 370 Cablebus <\/td>\n<\/tr>\n | ||||||
230<\/td>\n | 372 Cellular Concrete Floor Raceways <\/td>\n<\/tr>\n | ||||||
231<\/td>\n | 374 Cellular Metal Floor Raceways <\/td>\n<\/tr>\n | ||||||
232<\/td>\n | 376 Metal Wireways <\/td>\n<\/tr>\n | ||||||
233<\/td>\n | 378 Nonmetallic Wireways <\/td>\n<\/tr>\n | ||||||
234<\/td>\n | 380 Multioutlet Assembly <\/td>\n<\/tr>\n | ||||||
235<\/td>\n | 382 Nonmetallic Extensions <\/td>\n<\/tr>\n | ||||||
236<\/td>\n | 384 Strut-Type Channel Raceway <\/td>\n<\/tr>\n | ||||||
237<\/td>\n | 386 Surface Metal Raceways <\/td>\n<\/tr>\n | ||||||
238<\/td>\n | 388 Surface Nonmetallic Raceways <\/td>\n<\/tr>\n | ||||||
239<\/td>\n | 390 Underfloor Raceways <\/td>\n<\/tr>\n | ||||||
240<\/td>\n | 392 Cable Trays <\/td>\n<\/tr>\n | ||||||
247<\/td>\n | 393 Low-Voltage Suspended Ceiling Power Distribution Systems <\/td>\n<\/tr>\n | ||||||
249<\/td>\n | 394 Concealed Knob-and-Tube Wiring <\/td>\n<\/tr>\n | ||||||
250<\/td>\n | 396 Messenger-Supported Wiring 398 Open Wiring on Insulators <\/td>\n<\/tr>\n | ||||||
252<\/td>\n | 399 Outdoor Overhead Conductors over 1000\u00a0Volts <\/td>\n<\/tr>\n | ||||||
253<\/td>\n | Chapter 4 Equipment for General Use 400 Flexible Cords and Flexible Cables <\/td>\n<\/tr>\n | ||||||
263<\/td>\n | 402 Fixture Wires <\/td>\n<\/tr>\n | ||||||
266<\/td>\n | 404 Switches <\/td>\n<\/tr>\n | ||||||
269<\/td>\n | 406 Receptacles, Cord Connectors, and Attachment Plugs (Caps) <\/td>\n<\/tr>\n | ||||||
274<\/td>\n | 408 Switchboards, Switchgear, and Panelboards <\/td>\n<\/tr>\n | ||||||
278<\/td>\n | 409 Industrial Control Panels <\/td>\n<\/tr>\n | ||||||
280<\/td>\n | 410 Luminaires, Lampholders, and Lamps <\/td>\n<\/tr>\n | ||||||
289<\/td>\n | 411 Low-Voltage Lighting 422 Appliances <\/td>\n<\/tr>\n | ||||||
294<\/td>\n | 424 Fixed Electric Space-Heating Equipment <\/td>\n<\/tr>\n | ||||||
302<\/td>\n | 425 Fixed Resistance and Electrode Industrial Process Heating Equipment <\/td>\n<\/tr>\n | ||||||
306<\/td>\n | 426 Fixed Outdoor Electric Deicing and Snow-Melting Equipment <\/td>\n<\/tr>\n | ||||||
308<\/td>\n | 427 Fixed Electric Heating Equipment for Pipelines and Vessels <\/td>\n<\/tr>\n | ||||||
311<\/td>\n | 430 Motors, Motor Circuits, and Controllers <\/td>\n<\/tr>\n | ||||||
338<\/td>\n | 440 Air-Conditioning and Refrigerating Equipment <\/td>\n<\/tr>\n | ||||||
343<\/td>\n | 445 Generators <\/td>\n<\/tr>\n | ||||||
345<\/td>\n | 450 Transformers and Transformer Vaults (Including Secondary Ties) <\/td>\n<\/tr>\n | ||||||
352<\/td>\n | 455 Phase Converters <\/td>\n<\/tr>\n | ||||||
353<\/td>\n | 460 Capacitors <\/td>\n<\/tr>\n | ||||||
355<\/td>\n | 470 Resistors and Reactors 480 Storage Batteries <\/td>\n<\/tr>\n | ||||||
358<\/td>\n | 490 Equipment Over 1000\u00a0Volts, Nominal <\/td>\n<\/tr>\n | ||||||
364<\/td>\n | Chapter 5 Special Occupancies 500 Hazardous (Classified) Locations, Classes\u00a0I, II, and\u00a0III, Divisions\u00a01 and\u00a02 <\/td>\n<\/tr>\n | ||||||
371<\/td>\n | 501 Class\u00a0I Locations <\/td>\n<\/tr>\n | ||||||
380<\/td>\n | 502 Class\u00a0II Locations <\/td>\n<\/tr>\n | ||||||
386<\/td>\n | 503 Class\u00a0III Locations <\/td>\n<\/tr>\n | ||||||
389<\/td>\n | 504 Intrinsically Safe Systems <\/td>\n<\/tr>\n | ||||||
391<\/td>\n | 505 Zone 0, 1, and 2\u00a0Locations <\/td>\n<\/tr>\n | ||||||
405<\/td>\n | 506 Zone 20, 21, and 22\u00a0Locations for Combustible Dusts or Ignitible Fibers\/Flyings <\/td>\n<\/tr>\n | ||||||
411<\/td>\n | 510 Hazardous (Classified) Locations \u2014 Specific <\/td>\n<\/tr>\n | ||||||
412<\/td>\n | 511 Commercial Garages, Repair and Storage <\/td>\n<\/tr>\n | ||||||
414<\/td>\n | 513 Aircraft Hangars <\/td>\n<\/tr>\n | ||||||
417<\/td>\n | 514 Motor Fuel Dispensing Facilities <\/td>\n<\/tr>\n | ||||||
423<\/td>\n | 515 Bulk Storage Plants <\/td>\n<\/tr>\n | ||||||
426<\/td>\n | 516 Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials <\/td>\n<\/tr>\n | ||||||
437<\/td>\n | 517 Health Care Facilities <\/td>\n<\/tr>\n | ||||||
455<\/td>\n | 518 Assembly Occupancies <\/td>\n<\/tr>\n | ||||||
456<\/td>\n | 520 Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations <\/td>\n<\/tr>\n | ||||||
464<\/td>\n | 522 Control Systems for Permanent Amusement Attractions <\/td>\n<\/tr>\n | ||||||
465<\/td>\n | 525 Carnivals, Circuses, Fairs, and Similar Events <\/td>\n<\/tr>\n | ||||||
467<\/td>\n | 530 Motion Picture and Television Studios and Similar Locations <\/td>\n<\/tr>\n | ||||||
470<\/td>\n | 540 Motion Picture Projection Rooms <\/td>\n<\/tr>\n | ||||||
471<\/td>\n | 545 Manufactured Buildings and Relocatable Structures <\/td>\n<\/tr>\n | ||||||
473<\/td>\n | 547 Agricultural Buildings <\/td>\n<\/tr>\n | ||||||
475<\/td>\n | 550 Mobile Homes, Manufactured Homes, and Mobile Home Parks <\/td>\n<\/tr>\n | ||||||
483<\/td>\n | 551 Recreational Vehicles and Recreational Vehicle Parks <\/td>\n<\/tr>\n | ||||||
494<\/td>\n | 552 Park Trailers <\/td>\n<\/tr>\n | ||||||
503<\/td>\n | 555 Marinas, Boatyards, Floating Buildings, and Commercial and Noncommercial Docking Facilities <\/td>\n<\/tr>\n | ||||||
507<\/td>\n | 590 Temporary Installations <\/td>\n<\/tr>\n | ||||||
511<\/td>\n | Chapter 6 Special Equipment 600 Electric Signs and Outline Lighting <\/td>\n<\/tr>\n | ||||||
517<\/td>\n | 604 Manufactured Wiring Systems <\/td>\n<\/tr>\n | ||||||
518<\/td>\n | 605 Office Furnishings <\/td>\n<\/tr>\n | ||||||
519<\/td>\n | 610 Cranes and Hoists <\/td>\n<\/tr>\n | ||||||
524<\/td>\n | 620 Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts <\/td>\n<\/tr>\n | ||||||
534<\/td>\n | 625 Electric Vehicle Power Transfer System <\/td>\n<\/tr>\n | ||||||
538<\/td>\n | 626 Electrified Truck Parking Spaces <\/td>\n<\/tr>\n | ||||||
543<\/td>\n | 630 Electric Welders <\/td>\n<\/tr>\n | ||||||
545<\/td>\n | 640 Audio Signal Processing, Amplification, and Reproduction Equipment <\/td>\n<\/tr>\n | ||||||
549<\/td>\n | 645 Information Technology Equipment <\/td>\n<\/tr>\n | ||||||
552<\/td>\n | 646 Modular Data Centers <\/td>\n<\/tr>\n | ||||||
556<\/td>\n | 647 Sensitive Electronic Equipment <\/td>\n<\/tr>\n | ||||||
557<\/td>\n | 650 Pipe Organs <\/td>\n<\/tr>\n | ||||||
558<\/td>\n | 660 X-Ray Equipment <\/td>\n<\/tr>\n | ||||||
560<\/td>\n | 665 Induction and Dielectric Heating Equipment <\/td>\n<\/tr>\n | ||||||
561<\/td>\n | 668 Electrolytic Cells <\/td>\n<\/tr>\n | ||||||
563<\/td>\n | 669 Electroplating <\/td>\n<\/tr>\n | ||||||
564<\/td>\n | 670 Industrial Machinery <\/td>\n<\/tr>\n | ||||||
565<\/td>\n | 675 Electrically Driven or Controlled Irrigation Machines <\/td>\n<\/tr>\n | ||||||
567<\/td>\n | 680 Swimming Pools, Fountains, and Similar Installations <\/td>\n<\/tr>\n | ||||||
582<\/td>\n | 682 Natural and Artificially Made Bodies of Water <\/td>\n<\/tr>\n | ||||||
584<\/td>\n | 685 Integrated Electrical Systems <\/td>\n<\/tr>\n | ||||||
585<\/td>\n | 690 Solar Photovoltaic (PV) Systems <\/td>\n<\/tr>\n | ||||||
596<\/td>\n | 691 Large-Scale Photovoltaic (PV) Electric Supply Stations <\/td>\n<\/tr>\n | ||||||
597<\/td>\n | 692 Fuel Cell Systems <\/td>\n<\/tr>\n | ||||||
599<\/td>\n | 694 Wind Electric Systems <\/td>\n<\/tr>\n | ||||||
603<\/td>\n | 695 Fire Pumps <\/td>\n<\/tr>\n | ||||||
608<\/td>\n | Chapter 7 Special Conditions 700 Emergency Systems <\/td>\n<\/tr>\n | ||||||
615<\/td>\n | 701 Legally Required Standby Systems <\/td>\n<\/tr>\n | ||||||
618<\/td>\n | 702 Optional Standby Systems <\/td>\n<\/tr>\n | ||||||
619<\/td>\n | 705 Interconnected Electric Power Production Sources <\/td>\n<\/tr>\n | ||||||
624<\/td>\n | 706 Energy Storage Systems <\/td>\n<\/tr>\n | ||||||
627<\/td>\n | 708 Critical Operations Power Systems (COPS) <\/td>\n<\/tr>\n | ||||||
632<\/td>\n | 710 Stand-Alone Systems <\/td>\n<\/tr>\n | ||||||
633<\/td>\n | 712 Direct Current Microgrids <\/td>\n<\/tr>\n | ||||||
634<\/td>\n | 720 Circuits and Equipment Operating at Less Than 50\u00a0Volts <\/td>\n<\/tr>\n | ||||||
635<\/td>\n | 725 Class\u00a01, Class\u00a02, and Class\u00a03 Remote-Control, Signaling, and Power-Limited Circuits <\/td>\n<\/tr>\n | ||||||
647<\/td>\n | 727 Instrumentation Tray Cable: Type ITC <\/td>\n<\/tr>\n | ||||||
648<\/td>\n | 728 Fire-Resistive Cable Systems 750 Energy Management Systems <\/td>\n<\/tr>\n | ||||||
649<\/td>\n | 760 Fire Alarm Systems <\/td>\n<\/tr>\n | ||||||
659<\/td>\n | 770 Optical Fiber Cables <\/td>\n<\/tr>\n | ||||||
667<\/td>\n | Chapter 8 Communications Systems 800 General Requirements for Communications Systems <\/td>\n<\/tr>\n | ||||||
678<\/td>\n | 805 Communications Circuits <\/td>\n<\/tr>\n | ||||||
683<\/td>\n | 810 Radio and Television Equipment <\/td>\n<\/tr>\n | ||||||
687<\/td>\n | 820 Community Antenna Television and Radio Distribution Systems <\/td>\n<\/tr>\n | ||||||
689<\/td>\n | 830 Network-Powered Broadband Communications Systems <\/td>\n<\/tr>\n | ||||||
694<\/td>\n | 840 Premises-Powered Broadband Communications Systems <\/td>\n<\/tr>\n | ||||||
698<\/td>\n | Chapter 9 Tables <\/td>\n<\/tr>\n | ||||||
713<\/td>\n | Informative Annex A Product Safety Standards <\/td>\n<\/tr>\n | ||||||
719<\/td>\n | Informative Annex B Application Information for Ampacity Calculation <\/td>\n<\/tr>\n | ||||||
732<\/td>\n | Informative Annex C Conduit, Tubing, and Cable Tray Fill Tables for Conductors and Fixture Wires of the Same Size <\/td>\n<\/tr>\n | ||||||
818<\/td>\n | Informative Annex D Examples <\/td>\n<\/tr>\n | ||||||
832<\/td>\n | Informative Annex E Types of Construction <\/td>\n<\/tr>\n | ||||||
834<\/td>\n | Informative Annex F Availability and Reliability for Critical Operations Power Systems; and Development and Implementation of Functional Performance Tests (FPTs) for Critical Operations Power Systems <\/td>\n<\/tr>\n | ||||||
836<\/td>\n | Informative Annex G Supervisory Control and Data Acquisition (SCADA) <\/td>\n<\/tr>\n | ||||||
837<\/td>\n | Informative Annex H Administration and Enforcement <\/td>\n<\/tr>\n | ||||||
843<\/td>\n | Informative Annex I Recommended Tightening Torque Tables from UL Standard 486A-486B <\/td>\n<\/tr>\n | ||||||
845<\/td>\n | Informative Annex J ADA Standards for Accessible Design <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" NFPA 70: National Electrical Code (NEC)<\/b><\/p>\n |