Columns

Inspectors Rejoice! At Last — Significant Progress in a PV Standard

Fact or Fiction

Making Changes to the Canadian Electrical Code

New Wiring Rules in Sections 4 and 12

Grounding and Bonding — Are we on the same page?

Radio equipment that uses a screw-type fastener to bond or attach the grounding conductor to the antenna assembly

Has UL Certified any small wind turbines?

Yes, UL has certified small wind turbines under the product category Small Wind Turbine Generating Systems (ZGEN)

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

Is it code-compliant to install Type NM cable exposed in an attached residential garage? How about a detached garage?

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