Columns

Is there a way to interact with UL’s Regulatory Services Department Staff on social media?

Making Changes to the Canadian Electrical Code

New Wiring Rules in Sections 4 and 12

Grounding and Bonding — Are we on the same page?

We have some radio equipment that uses a screw-type fastener to bond or attach the grounding conductor to the antenna assembly. Can this screw be any ordinary screw, or does it need to be a “listed” s

The Conductors, Getting Solar Energy to the Inverter for 40–50 Years

Essential Electrical System — Who is to say?

FACE-TO-FACE TIME — Its value and where to find it

Is the XO Jumper Sized Correctly?

Microinverters and AC PV Modules Are Different Beasts