McGraw Hill’s National Electrical Code® 2020 Handbook, 30th Edition PDF by Frederic P Hartwell


McGraw Hill’s National Electrical Code® 2020 Handbook, 30th Edition

By Frederic P Hartwell

McGraw Hill’s National Electrical Code® 2020 Handbook, 30th Edition



Introduction to the National Electrical Code®

Brief History of the National Electrical Code®

About the 2020 National Electrical Code®


  1. Introduction

Chapter 1

  1. Definitions
  2. Requirements for Electrical Installations

Chapter 2

  1. Use and Identification of Grounded Conductors
  2. Branch Circuits
  3. Feeders
  4. Branch-Circuit, Feeder, and Service Load Calculations
  5. Outside Branch Circuits and Feeders
  6. Services
  7. Overcurrent Protection
  8. Overvoltage Protection
  9. Grounding and Bonding

Chapter 3

  1. General Requirements for Wiring Methods and Materials
  2. Conductors for General Wiring
  3. Medium-Voltage Conductors and Cable
  4. Cabinets, Cutout Boxes, and Meter Socket Enclosures
  5. Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures
  1. Armored Cable: Type AC
  2. Flat Cable Assemblies: Type FC
  3. Flat Conductor Cable: Type FCC
  4. Integrated Gas Spacer Cable: Type IGS
  5. Metal-Clad Cable: Type MC
  6. Mineral-Insulated, Metal-Sheathed Cable: Type MI
  7. Nonmetallic-Sheathed Cable: Types NM and NMC
  8. Power and Control Tray Cable: Type TC
  9. Type P Cable
  10. Service-Entrance Cable: Types SE and Use
  11. Underground Feeder and Branch-Circuit Cable: Type UF
  12. Intermediate Metal Conduit: Type IMC
  13. Rigid Metal Conduit: Type RMC
  14. Flexible Metal Conduit: Type FMC
  15. Liquidtight Flexible Metal Conduit: Type LFMC
  16. Rigid Polyvinyl Chloride Conduit: Type PVC
  17. High-Density Polyethylene Conduit: Type HDPE Conduit
  18. Nonmetallic Underground Conduit with Conductors: Type NUCC
  19. Reinforced Thermosetting Resin Conduit: Type RTRC
  20. Liquidtight Flexible Nonmetallic Conduit: Type LFNC
  21. Electrical Metallic Tubing: Type EMT
  22. Flexible Metallic Tubing: Type FMT
  23. Electrical Nonmetallic Tubing: Type ENT
  24. Auxiliary Gutters
  25. Busways
  26. Cablebus
  27. Cellular Concrete Floor Raceways
  28. Cellular Metal Floor Raceways
  29. Metal Wireways
  30. Nonmetallic Wireways
  31. Multioutlet Assembly
  32. Nonmetallic Extensions
  33. Strut-Type Channel Raceway
  34. Surface Metal Raceways
  35. Surface Nonmetallic Raceways
  36. Underfloor Raceways
  37. Cable Trays
  38. Low-Voltage Suspended Ceiling Power Distribution Systems
  39. Concealed Knob-and-Tube Wiring
  40. Messenger-Supported Wiring
  41. Open Wiring on Insulators
  42. Outdoor Overhead Conductors over 1000 V

Chapter 4

  1. Flexible Cords and Flexible Cables
  2. Fixture Wires
  3. Switches
  4. Receptacles, Cord Connectors, and Attachment Plugs (Caps)
  5. Switchboards, Switchgear, and Panelboards
  6. Industrial Control Panels
  7. Luminaires, Lampholders, and Lamps
  8. Low-Voltage Lighting
  9. Appliances
  10. Fixed Electric Space-Heating Equipment
  11. Fixed Resistance and Electrode Industrial Process Heating Equipment
  1. Fixed Outdoor Electric Deicing and Snow-Melting Equipment
  2. Fixed Electric Heating Equipment for Pipelines and Vessels
  3. Motors, Motor Circuits, and Controllers
  4. Air-Conditioning and Refrigerating Equipment
  5. Generators
  6. Transformers and Transformer Vaults (Including Secondary Ties)
  7. Phase Converters
  8. Capacitors
  9. Resistors and Reactors
  10. Storage Batteries
  11. Equipment Over 1000 V, Nominal

Chapter 5

  1. Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2
  1. Class I Locations
  2. Class II Locations
  3. Class III Locations
  4. Intrinsically Safe Systems
  5. Zone 0, 1, and 2 Locations
  6. Zone 20, 21, and 22 Locations for Combustible Dusts or Ignitible Fibers/Flyings
  1. Hazardous (Classified) Locations—Specific
  2. Commercial Garages: Repair and Storage
  3. Aircraft Hangars
  4. Motor Fuel Dispensing Facilities
  5. Bulk Storage Plants
  6. Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials
  1. Health Care Facilities
  2. Assembly Occupancies
  3. Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations
  1. Control Systems for Permanent Amusement Attractions
  2. Carnivals, Circuses, Fairs, and Similar Events
  3. Motion Picture and Television Studios and Similar Locations
  4. Motion Picture Projection Rooms
  5. Manufactured Buildings and Relocatable Structures
  6. Agricultural Buildings
  7. Mobile Homes, Manufactured Homes, and Mobile Home Parks
  8. Recreational Vehicles and Recreational Vehicle Parks
  9. Park Trailers
  10. Marinas, Boatyards, Floating Buildings, and Commercial and Noncommercial Docking Facilities
  1. Temporary Installations

Chapter 6

  1. Electric Signs and Outline Lighting
  2. Manufactured Wiring Systems
  3. Office Furnishings
  4. Cranes and Hoists
  5. Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chair Lifts
  1. Electrical Vehicle Power Transfer Systems
  2. Electrified Truck Parking Spaces
  3. Electric Welders
  4. Audio Signal Processing, Amplification, and Reproduction


  1. Information Technology Equipment
  2. Modular Data Centers
  3. Sensitive Electronic Equipment
  4. Pipe Organs
  5. X-Ray Equipment
  6. Induction and Dielectric Heating Equipment
  7. Electrolytic Cells
  8. Electroplating
  9. Industrial Machinery
  10. Electrically Driven or Controlled Irrigation Machines
  11. Swimming Pools, Fountains, and Similar Installations
  12. Natural and Artificially Made Bodies of Water
  13. Integrated Electrical Systems
  14. Solar Photovoltaic (PV) Systems
  15. Large-Scale Photovoltaic (PV) Electric Supply Stations
  16. Fuel Cell Systems
  17. Wind Electric Systems
  18. Fire Pumps

Chapter 7

  1. Emergency Systems
  2. Legally Required Standby Systems
  3. Optional Standby Systems
  4. Interconnected Electric Power Production Sources
  5. Energy Storage Systems
  6. Critical Operations Power Systems (COPS)
  7. Stand-Alone Systems
  8. Direct Current Microgrids
  9. Circuits and Equipment Operating at Less Than 50 V
  10. Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits
  1. Instrumentation Tray Cable: Type ITC
  2. Fire-Resistive Cable Systems
  3. Energy Management Systems
  4. Fire Alarm Systems
  5. Optical Fiber Cables and Raceways

Chapter 8

  1. General Requirements for Communications Systems
  2. Communications Circuits
  3. Radio and Television Equipment
  4. Community Antenna Television and Radio Distribution Systems
  5. Network-Powered Broadband Communications Systems
  6. Premises-Powered Broadband Communications Systems

Chapter 9


Informative Annex A. Product Safety Standards

Informative Annex B. Application Information for Ampacity Calculation

Informative Annex C. Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size

Informative Annex D. Examples

Informative Annex E. Types of Construction

Informative Annex F. Availability and Reliability for Operations

Power Systems; and Development and

Implementation of Functional Performance

Tests (FPTS) for Critical Operations Power Systems

Informative Annex G. Supervisory Control and Data Acquisition (SCADA)

Informative Annex H. Administration and Enforcement

Informative Annex I. Recommended Tightening Torque Tables from UL Standard 486A-486B

Informative Annex J. ADA Standards for Accessible Design


This book is US$10
To get free sample pages OR Buy this book

Share this Book!

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.