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Mike Holt’s Illustrated Changes to the NEC 2017
Changes to the NEC 2017 by Mike Holt
(Includes Ans Key)




Mike Holt’s 2017 NEC Practice Questions Book
Mike Holt’s 2017 NEC Practice Questions Book

2017 NEC and Related
2017 NEC and Related

Mike Holt’s Illustrated Changes to the NEC 2020
Mike Holt’s Illustrated Changes to the 2020 NEC

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Changes to the National Electrical Code 2017

by Mike Holt

Hundreds of full-color detailed graphics to reinforce those difficult concepts and provide instant understanding of Changes to the 2017 National Electrical Code (NEC)

Mike makes it easy to learn the Code Changes with this simple-to-use Illustrated Guide.

Textbook features include:

  • Hundreds of Illustrations. Detailed instructional images display the Code change in an applied setting.
  • Color Icons. Explanatory icons that help you identify the specifics of each change, along with easy-to-understand explanations.
  • In-depth Analysis. The rule is explained along with background information on the purpose of the change.
  • Insightful Author’s Comment. Special notes provide clarification of the rule and highlight its application in the real world.
  • Practical Examples. Reinforce your understanding of the change with a simulated real-life problem.
  • Practice Questions. Test your knowledge and understanding.

If you need to learn the new Code, you need this book. The perfect reference for Code Change or CEU classes

Sample Graphic
Sample Graphic



How to Use This Textbook

How to Use the National Electrical Code

Article 90—Introduction to the National Electrical Code

Chapter 1—General

Article 100— Definitions.

Article 110— Requirements for Electrical Installations

Chapter 2—Wiring and Protection

Article 200— Use and Identification of Grounded Conductors

Article 210— Branch Circuits

Article 215— Feeders

Article 220— Branch-Circuit, Feeder, and Service Calculations

Article 225— Outside Branch Circuits and Feeders.

Article 230— Services

Article 240— Overcurrent Protection

Article 250— Grounding and Bonding

Article 285— Surge Protective Devices (SPDs)

Chapter 3—Wiring Methods and Materials

Article 300— Wiring Methods

Article 310— Conductors for General Wiring

Article 312 Cabinets, Cutout Boxes, and Meter Socket Enclosures

Article 314— Outlet, Device, Pull and Junction Boxes, Conduit Bodies, Fittings, and Handhole Enclosures

Article 320— Armored Cable: Type AC

Article 330— Metal-Clad Cable: Type MC

Article 334— Nonmetallic-Sheathed Cable:Types NM and NMC

Article 338— Service-Entrance Cables: Types SE and USE

Article 342— Intermediate Metal Conduit: Type IMC

Article 344— Rigid Metal Conduit: Type RMC

Article 348— Flexible Metal Conduit: Type FMC

Article 350— Liquidtight Flexible Metal Conduit: Type LFMC

Article 352— Rigid Polyvinyl Chloride Conduit: Type PVC

Article 358— Electrical Metallic Tubing: Type EMT

Article 376— Metal Wireways

Article 388— Surface Nonmetallic Raceways

Article 392— Cable Trays

Chapter 4—Equipment for General Use

Article 404— Switches

Article 406— Receptacles, Cord Connectors, and Attachment Plugs (Caps)

Article 408— Switchboards and Panelboards

Article 410— Luminaires, Lampholders, and Lamps

Article 422— Appliances

Article 424— Fixed Electric Space-Heating Equipment

Article 430— Motors, Motor Circuits, and Controllers

Article 440— Air-Conditioning and Refrigeration Equipment.

Article 445— Generators

Article 450—Transformers

Article 480—Storage Batteries

Chapter 5—Special Occupancies

Article 500— Hazardous (Classified) Locations

Article 501— Class I Locations

Article 502— Class II Locations

Article 503— Class III Locations

Article 514— Motor Fuel Dispensing Facilities

Article 517— Health Care Facilities

Article 518— Places of Assembly

Article 525— Carnivals, Circuses, Fairs, and Similar Events

Article 547— Agricultural Buildings

Article 550— Mobile Homes, Manufactured Homes, and Mobile Home Parks

Article 555— Marinas and Boatyards

Article 590— Temporary Installations

Chapter 6—Special Equipment

Article 600— Electric Signs and Outline Lighting

Article 645— Information Technology Equipment

Article 680— Swimming Pools, Fountains, and Similar Installations

Article 690—Photovoltaic Power Systems

Article 694—Small Wind Electric Systems

Article 695— Fire Pumps

Chapter 7—Special Conditions

Article 700— Emergency Power Systems

Article 701— Legally Required Standby Systems

Article 702— Optional Standby Power Systems

Article 705—Interconnected Electric Power Production Sources

Article 725— Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits

Article 760— Fire Alarm Systems

Article 770— Optical Fiber Cables and Raceways

Chapter 8—Communications Systems

Article 800— Communications Circuits

Article 810— Radio and Television Equipment

Article 820— Community Antenna Television and Radio Distribution Systems

Article 840—Premises-Powered Broadband Communications Systems

Chapter 9—Tables

Chapter 9, Table 1

Annex JADA Standards for Accessible Design

Final Exam for changes to the NEC 2017

pages, 955 Illustrations
100 Practice Questions


2023 NEC and Related
2020 NEC and Related
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