McGraw Hill’s National Electrical Code® 2020 Handbook, 30th Edition
By Frederic P Hartwell
Contents:
Preface
Introduction to the National Electrical Code®
Brief History of the National Electrical Code®
About the 2020 National Electrical Code®
Article
- Introduction
Chapter 1
- Definitions
- Requirements for Electrical Installations
Chapter 2
- Use and Identification of Grounded Conductors
- Branch Circuits
- Feeders
- Branch-Circuit, Feeder, and Service Load Calculations
- Outside Branch Circuits and Feeders
- Services
- Overcurrent Protection
- Overvoltage Protection
- Grounding and Bonding
Chapter 3
- General Requirements for Wiring Methods and Materials
- Conductors for General Wiring
- Medium-Voltage Conductors and Cable
- Cabinets, Cutout Boxes, and Meter Socket Enclosures
- Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures
- Armored Cable: Type AC
- Flat Cable Assemblies: Type FC
- Flat Conductor Cable: Type FCC
- Integrated Gas Spacer Cable: Type IGS
- Metal-Clad Cable: Type MC
- Mineral-Insulated, Metal-Sheathed Cable: Type MI
- Nonmetallic-Sheathed Cable: Types NM and NMC
- Power and Control Tray Cable: Type TC
- Type P Cable
- Service-Entrance Cable: Types SE and Use
- Underground Feeder and Branch-Circuit Cable: Type UF
- Intermediate Metal Conduit: Type IMC
- Rigid Metal Conduit: Type RMC
- Flexible Metal Conduit: Type FMC
- Liquidtight Flexible Metal Conduit: Type LFMC
- Rigid Polyvinyl Chloride Conduit: Type PVC
- High-Density Polyethylene Conduit: Type HDPE Conduit
- Nonmetallic Underground Conduit with Conductors: Type NUCC
- Reinforced Thermosetting Resin Conduit: Type RTRC
- Liquidtight Flexible Nonmetallic Conduit: Type LFNC
- Electrical Metallic Tubing: Type EMT
- Flexible Metallic Tubing: Type FMT
- Electrical Nonmetallic Tubing: Type ENT
- Auxiliary Gutters
- Busways
- Cablebus
- Cellular Concrete Floor Raceways
- Cellular Metal Floor Raceways
- Metal Wireways
- Nonmetallic Wireways
- Multioutlet Assembly
- Nonmetallic Extensions
- Strut-Type Channel Raceway
- Surface Metal Raceways
- Surface Nonmetallic Raceways
- Underfloor Raceways
- Cable Trays
- Low-Voltage Suspended Ceiling Power Distribution Systems
- Concealed Knob-and-Tube Wiring
- Messenger-Supported Wiring
- Open Wiring on Insulators
- Outdoor Overhead Conductors over 1000 V
Chapter 4
- Flexible Cords and Flexible Cables
- Fixture Wires
- Switches
- Receptacles, Cord Connectors, and Attachment Plugs (Caps)
- Switchboards, Switchgear, and Panelboards
- Industrial Control Panels
- Luminaires, Lampholders, and Lamps
- Low-Voltage Lighting
- Appliances
- Fixed Electric Space-Heating Equipment
- Fixed Resistance and Electrode Industrial Process Heating Equipment
- Fixed Outdoor Electric Deicing and Snow-Melting Equipment
- Fixed Electric Heating Equipment for Pipelines and Vessels
- Motors, Motor Circuits, and Controllers
- Air-Conditioning and Refrigerating Equipment
- Generators
- Transformers and Transformer Vaults (Including Secondary Ties)
- Phase Converters
- Capacitors
- Resistors and Reactors
- Storage Batteries
- Equipment Over 1000 V, Nominal
Chapter 5
- Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2
- Class I Locations
- Class II Locations
- Class III Locations
- Intrinsically Safe Systems
- Zone 0, 1, and 2 Locations
- Zone 20, 21, and 22 Locations for Combustible Dusts or Ignitible Fibers/Flyings
- Hazardous (Classified) Locations—Specific
- Commercial Garages: Repair and Storage
- Aircraft Hangars
- Motor Fuel Dispensing Facilities
- Bulk Storage Plants
- Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials
- Health Care Facilities
- Assembly Occupancies
- Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations
- Control Systems for Permanent Amusement Attractions
- Carnivals, Circuses, Fairs, and Similar Events
- Motion Picture and Television Studios and Similar Locations
- Motion Picture Projection Rooms
- Manufactured Buildings and Relocatable Structures
- Agricultural Buildings
- Mobile Homes, Manufactured Homes, and Mobile Home Parks
- Recreational Vehicles and Recreational Vehicle Parks
- Park Trailers
- Marinas, Boatyards, Floating Buildings, and Commercial and Noncommercial Docking Facilities
- Temporary Installations
Chapter 6
- Electric Signs and Outline Lighting
- Manufactured Wiring Systems
- Office Furnishings
- Cranes and Hoists
- Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chair Lifts
- Electrical Vehicle Power Transfer Systems
- Electrified Truck Parking Spaces
- Electric Welders
- Audio Signal Processing, Amplification, and Reproduction
Equipment
- Information Technology Equipment
- Modular Data Centers
- Sensitive Electronic Equipment
- Pipe Organs
- X-Ray Equipment
- Induction and Dielectric Heating Equipment
- Electrolytic Cells
- Electroplating
- Industrial Machinery
- Electrically Driven or Controlled Irrigation Machines
- Swimming Pools, Fountains, and Similar Installations
- Natural and Artificially Made Bodies of Water
- Integrated Electrical Systems
- Solar Photovoltaic (PV) Systems
- Large-Scale Photovoltaic (PV) Electric Supply Stations
- Fuel Cell Systems
- Wind Electric Systems
- Fire Pumps
Chapter 7
- Emergency Systems
- Legally Required Standby Systems
- Optional Standby Systems
- Interconnected Electric Power Production Sources
- Energy Storage Systems
- Critical Operations Power Systems (COPS)
- Stand-Alone Systems
- Direct Current Microgrids
- Circuits and Equipment Operating at Less Than 50 V
- Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits
- Instrumentation Tray Cable: Type ITC
- Fire-Resistive Cable Systems
- Energy Management Systems
- Fire Alarm Systems
- Optical Fiber Cables and Raceways
Chapter 8
- General Requirements for Communications Systems
- Communications Circuits
- Radio and Television Equipment
- Community Antenna Television and Radio Distribution Systems
- Network-Powered Broadband Communications Systems
- Premises-Powered Broadband Communications Systems
Chapter 9
Tables
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
Index