May 16, 2019

Take this weekly quiz to test your knowledge of the 2017 National Electrical Code (NEC) requirements. The Code Quiz features three questions that are presented in a True/False, Fill-in-the-Blank, or Multiple Choice format. The answer to each...

What’s Wrong Here? Hint: A cruddy rooftop conduit run

May 14, 2019

How well do you know the Code? Think you can spot violations the original installer either ignored or couldn’t identify? Here’s your chance to moonlight as an electrical inspector and second-guess someone else’s work from the safety of your living...

Illustrated Catastrophes: Severe Shock Hazard

May 14, 2019

Severe Shock Hazard ...

Stumped by the Code? Overcurrent Protection for Cords, Cables, and Wires

May 14, 2019

All questions and answers are based on the 2017 NEC...

Conductor Sizing — Part 1 of 2

May 14, 2019

Do you understand the basic concepts behind conductor sizing?

Code Quiz of the Week: No. 177

May 09, 2019

Take this weekly quiz to test your knowledge of the 2017 National Electrical Code (NEC) requirements. The Code Quiz features three questions that are presented in a True/False, Fill-in-the-Blank, or Multiple Choice format. The answer to each...

Moving Violations Video No. 190: Open Air Splices

May 09, 2019

Those open-air splices on these power-limited fire alarm circuits are a Code violation.