2012

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)

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

Transitioning Between Raceways

Evaluation of Onset to Second-Degree Burn Energy in Arc-Flash Hazard Analysis

Article 220, Continuation

Starting with Part III of Article 220, which is titled Feeder and Service Load Calculation, we will finally start with the actual math work.

SCADA and Homeland Security