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Wednesday, August 16, 2017

Monthly Archives: November 2009

Politics + Electricity = Death

From the perspective of those involved in electrical safety, interference with the resolution of hazards and potential hazards should never be tolerated. There is...

Making the AC Utility Connection

Connecting the utility-interactive inverter to the utility grid properly is critical to the safe, long-term, and reliable operation of the entire system. The ac...

Separately Derived Systems

The topic of grounding and bonding as it relates to the National Electrical Code (NEC) and proper installations still seems to be a mystery...

Have You Built Your…Investment Pyramid?

A few months ago I spoke with a very successful contractor about a trip that he and his wife made to see the pyramids...

David Clements, IAEI CEO/Executive Director

As the chairman of the IAEI CEO/Executive Director Search Committee, I am pleased to report the process of recruiting a replacement for James Carpenter...

Not Suitable for Medical Use — Electrical Safety Testing Under Attack

You’re on the operating table, the surgery is almost over. The procedure has gone well. The doctors and nurses are walking in liquid on...

Arc Mitigation – A Three-Step Approach

With any hazard there is a definable risk and a definable impact and it is no different for the arc-flash hazard. Quite often the...

The Peninsular Project

Requirements for the correct location and placement of a receptacle on a peninsular are found in Article 210, Part III. It is more specifically...

Rooftop Wiring Methods and Temperature Correction

Since at least 1940, the National Electrical Code has contained a requirement for ampacity correction of installations subject to high temperature conditions. In the...

Are we ready for electric vehicles?

After a well-known fiasco of the 1990s, electric vehicles are making a rapid and confident comeback. They are here to stay and to change our...
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