When you run out of space in your service panel, a subpanel is the best solution. Use these tips from a master electrician to ...

What is conduit? And would you say this definition from NEC Art. 100 is correct? “An enclosed channel designed expressly for holding wires, cables, or busbars, with additional functions as permitted ...

Greg Kessinger has been SD&I’s fire alarm and codes expert and a regular contributor for more than 15 years. Please email him your fire & life safety questions for potential inclusion in this column ...

EC&M reader Fred Bauer, a journeyman electrician with Hartery Construction, was kind enough to share this photo with us. He spotted this transfer switch installation in Hunter Mountain, N.Y. Using ...

I'm preparing to run CAT5e through my crawlspace and through some walls. I'd like to do it to code if I can. I'd like to know what is required before I buy materials (to figure out if I need plenum ...

Greg Kessinger is SD&I’s fire alarm and codes expert and a regular contributor. Email him your fire & life safety questions at [email protected]. Have you ever made an embarrassing mistake that was ...

Our company is setting up a new attraction location and we've elected to do the wiring ourselves. I have plenty of experience doing it, but not to this scale. Out of our control room (servers, ...