Cover
Contents
Introduction
Chapter 1 - General
100 - Definitions
110 - Requirements for Electrical Installations
Chapter 2 - Wiring and Protection
200 - Use and Identification of Grounded Conductors
210 - Branch Circuits
215 - Feeders
220 - Branch-Circuit, Feeder, and Service Load Calculations
230 - Services
240 - Overcurrent Protection
242 - Overvoltage Protection
250 - Grounding and Bonding
Chapter 3 - Wiring Methods and Materials
300 - General Requirements for Wiring Methods and Materials
310 - Conductors for General Wiring
311 - Medium Voltage Conductors and Cable
312 - Cabinets, Cutout Boxes, and Meter Socket Enclosures
314 - Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures
320 - Armored Cable: Type AC
322 - Flat Cable Assemblies: Type FC
324 - Flat Conductor Cable: Type FCC
326 - Integrated Gas Spacer 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
336 - Power and Control Tray Cable: Type TC
337 - Type P Cable
338 - Service-Entrance Cable: Types SE and USE
340 - Underground Feeder and Branch-Circuit Cable: Type UF
342 - Intermediate Metal Conduit: Type IMC
344 - Rigid Metal Conduit: Type RMC
348 - Flexible Metal Conduit: Type FMC
350 - Liquidtight Flexible Metal Conduit: TypeI LFMC
352 - Rigid Polyvinyl Chloride Conduit: Type PVC
353 - High Density Polyethylene Conduit: Type HDPE Conduit
354 - Nonmetallic Underground Conduit with Conductors: Type NUCC
355 - Reinforced Thermosetting Resin Conduit: Type RTRC
356 - Liquidtight Flexible Nonmetallic Conduit: Type LFNC
358 - Electrical Metallic Tubing: Type EMT
360 - Flexible Metallic Tubing: Type FMT
362 - Electrical Nonmetallic Tubing: Type ENT
366 - Auxiliary Gutters
368 - Busways
370 - Cablebus
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
396 - Messenger-Supported Wiring
398 - Open Wiring on Insulators
399 - Outdoor Overhead Conductors over 1000 Volts
Chapter 4 - Equipment for General Use
400 - Flexible Cords and Flexible Cables
402 - Fixture Wires
404 - Switches
406 - Receptacles, Cord Connectors, and Attachment Plugs (Caps)
408 - Switchboards, Switchgear, and Panelboards
409 - Industrial Control Panels
410 - Luminaires, Lampholders, and Lamps
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-MeltingEquipment
427 - Fixed Electric Heating Equipment for Pipelines and Vessels
430 - Motors, Motor Circuits, and Controllers
440 - Air-Conditioning and Refrigerating Equipment
445 - Generators
450 - Transformers and Transformer Vaults (Including Secondary Ties)
455 - Phase Converters
460 - Capacitors
470 - Resistors and Reactors
480 - Storage Batteries
490 - Equipment Over 1000 Volts, Nominal
Chapter 5 - Special Occupancies
500 - Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2
501 - Class I Locations
502 - Class II Locations
503 - Class III Locations
504 - Intrinsically Safe Systems
505 - Zone 0, 1, and 2 Locations
506 - Zone 20, 21, and 22 Locations for Combustible Dusts or lgnitible Fibers/Flyings
510 - Hazardous (Classified) Locations - Specific
511 - Commercial Garages, Repair and Storage
513 - Aircraft Hangars
514 - Motor Fuel Dispensing Facilities
515 - Bulk Storage Plants
516 - Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials
517 - Health Care Facilities
518 - Assembly Occupancies
520 - Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations
522 - Control Systems for Permanent Amusement Attractions
525 - Carnivals, Circuses, Fairs, and Similar Events
530 - Motion Picture and Television Studios and Similar Locations
540 - Motion Picture Projection Rooms
545 - Manufactured Buildings and Relocatable Structures
547 - Agricultural Buildings
550 - Mobile Homes, Manufactured Homes, and Mobile Home Parks
551 - Recreational Vehicles and Recreational Vehicle Parks
552 - Park Trailers
555 - Marinas, Boatyards, Floating Buildings, and Commercial and Noncommercial Docking Facilities
590 - Temporary Installations
Chapter 6 - Special Equipment
600 - Electric Signs and Outline Lighting
604 - Manufactured Wiring Systems
605 - Office Furnishings
610 - Cranes and Hoists
620 - Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts
625 - Electric Vehicle Power Transfer System
626 - Electrified Truck Parking Spaces
630 - Electric Welders
640 - Audio Signal Processing, Amplification, and Reproduction Equipment
645 - Information Technology Equipment
646 - Modular Data Centers
647 - Sensitive Electronic Equipment
650 - Pipe Organs
660 - X-Ray Equipment
665 - Induction and Dielectric Heating Equipment
668 - Electrolytic Cells
669 - Electroplating
670 - Industrial Machinery
675 - Electrically Driven or Controlled Irrigation Machines
680 - Swimming Pools, Fountains, and Similar Installations
682 - Natural and Artificially Made Bodies of Water
685 - futegrated Electrical Systems
690 - Solar Photovoltaic (PV) Systems
691 - Large-Scale Photovoltaic (PV) Electric Supply Stations
692 - Fuel Cell Systems
694 - Wind Electric Systems
695 - Fire Pumps
Chapter 7 - Special Conditions
700 - Emergency Systems
701 - Legally Required Standby Systems
702 - Optional Standby Systems
705 - Interconnected Electric Power Production Sources
706 - Energy Storage Systems
708 - Critical Operations Power Systems (COPS)
710 - Stand-Alone Systems
712 - Direct Current Microgricls
720 - Circuits and Equipment Operating at Less Than 50 Volts
725 - Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits
727 - Instrumentation Tray Cable: Type ITC
728 - Fire-Resistive Cable Systems
750 - Energy Management Systems
760 - Fire Alarm Systems
770 - Optical Fiber Cables
Chapter 8 - Communications Systems
800 - General Requirements for Communications Systems
805 - Communications Circuits
810 - Radio and Television Equipment
820 - Radio and Television Equipment
830 - Network-Powered Broadband Communications Systems
840 - Premises-Powered Broadband Communications Systems
Chapter 9 - Tables
Percent of Cross Section of Conduit and Tubing for Conductors and Cables
Radius of Conduit and Tubing Bends
Dimensions and Percent Area of Conduit and Tubing
Dimensions of Insulated Conductors and Fixture Wires
Compact Copper and Aluminum Building Wire Nominal Dimensions and Areas
Conductor Properties
Alternating-Current Resistance and Reactance for 600-Volt Cables, 3-Phase, 60 Hz, 75°C (167°F) - Three Single Conductors in Conduit
Conductor Stranding
Appendix
Informative Annex
Product Standards
Ampacities
Tables
Examples
Construction Types
Critical Operations Power Systems
SCADA - Supervisory Control and Data Acquisition
Administration
Tightening Torque Tables
ADA Standards for Accessible Design
Index
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Sequence of Events for the StandardsDevelopment Process
Committee Membership Classifications
Submitting Public Input
Information on the NFPA Standards Development Process

lgrsnf/2020 - NFPA 70 - National Electrical Code.pdf

zlib/Housekeeping & Leisure/Interior Design & Decoration/National Fire Protection Association/NFPA 70, National Electrical Code_11853297.pdf

Delmar Cengage Learning

The Association

United States, United States of America

2020 edition, Quincy, Mass, c2019

1, 2019-09-18

Sep 18, 2019

1, PS, 2019

lg2970648

{"edition":"2020","isbns":["1455922978","9781455922970"],"last_page":905,"publisher":"National Fire Protection Association"}

Presents electrical regulation code that is applicable for electrical wiring and equipment installation for all buildings, covering emergency situations, owner liability, and procedures for ensuring public and workplace safety

2021-03-25