National Electrical Code

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...

All references are based on the 2017 edition of the NEC...

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

Do you understand the general requirements for services?

These devices mean the difference between being connected or disconnected in longer vertical raceways.

It’s simple to work with if you follow a few basic rules and guidelines.