Rules for low-voltage wiring have been relocated within the 2026 NEC and those installing these limited-energy and ...

Russ looks at an installation where the cord jacket is severely dried and split open. Section 400.3 requires flexible cords ...

Citations for violating scaffolding requirements consistently make it onto OSHA’s annual Top 10 list. The requirements are in ...

Explanation: NEC 250.66 (B) limits the required conductor to #4 AWG copper. Lupacchino is a senior design engineer with Gaylor Electric, Inc. in Noblesville, Ind. and serves as an alternate on NEC ...

Test your 2026 NEC knowledge with this quiz and enter for a chance to win a $25 gift card to Amazon!

Out-of-step protection is a critical component of modern power system protection schemes—its importance has grown ...

One of the most popular articles we publish every three yeras, this piece breaks down the most significant revisions in the ...

Think you know how this installation violates the NEC?

In Episode 92 (and the final one of 2025), the entire editorial staff of EC&M are highlighting the most popular/memorable content pieces and topic areas from this past year. Managing Editor Ellie ...

See which of Russ LeBlanc's Moving Violations videos were the most-viewed of 2025 — your favorite one might be there.

GFCI and meter disconnect provisions were removed from state 2023 Code to keep housing costs down in Omaha's latest approved ...