National Electrical Code

Bringing electrical professionals the most comprehensive NEC coverage in the industry

Recent

Photo 160774794 © Ognyan Chobanov | Dreamstime.com

Highlights

Copyright Halfpoint, Getty Images
Electrical Inspector

The Top 10 Most Commonly Cited Electrical Code Violations

Jan. 12, 2023
Electrical inspectors identify which mistakes electrical professionals tend to make the most when it comes to the National Electrical Code.
Photo 131686665 © Sutthinon Sanyakup | Dreamstime.com

Top 10 OSHA Violations of 2023

April 15, 2024
See which categories saw the most violations last year.
Photo 79655827 © Irina88w | Dreamstime.com

Code Quiz of the Week: No. 434

April 15, 2024
Weekly Quiz on the 2023 National Electrical Code
Photo 219147766 © Maksym Velishchuk | Dreamstime.com

Code Conversations — The Story Behind Sec. 440.11 Changes in the 2023 NEC

April 15, 2024
Ellen and Russ discuss revisions to Sec. 440.11 and how they came to be.

What’s Wrong Here? Hint: A Switchboard Heater?

April 11, 2024
Think you know how this installation violates the NEC?
Photo 312186162 © Cagkan Sayin | Dreamstime.com
ID 10205274 © Michal Ninger | Dreamstime.com
Moving Violations Video No
Photo 311647339 © Andrei Dodonov | Dreamstime.com
Illustration 101700602 © Olivier Le Moal | Dreamstime.com

Best Practices for Avoiding Equipment Failures

April 2, 2024
Six booby traps to disarm that cause downtime and increased maintenance
Photo 117845931 © Mohamad Faizal Ramli | Dreamstime.com

Electrical Troubleshooting Quiz — April 2, 2024

April 2, 2024
Panel-related errors do not reveal the full picture. How would you direct your client to proceed?
Photo 18091581 © Jaypetersen | Dreamstime.com

Understanding NEC Definitions for Conduit

April 2, 2024
Article 100 defines "raceway," and conduit is one type of raceway "family."
Shutterstock / Amorn Suriyan

The Promise of DC Power Distribution

April 1, 2024
What electrical professionals need to know about this emerging trend on the path to decarbonization and net-zero energy.