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Monthly Archives: January 2008

Ground-Fault Protection for PV Systems

Once upon a time (the 1987 Code cycle) in the land of Quincy, a group of alchemists from a national laboratory was elaborating on...

Understanding the Combination AFCI Expansion in NEC-2008

Arc-fault circuit interrupters (AFCIs) have become a familiar technology to electrical contractors during the past decade. The first branch-feeder AFCIs debuted in the late...

Uniformity in Disaster Recovery Inspections

Most likely, by way of our television sets, we have all witnessed the unbelievable destruction and devastating consequences of one or another natural disaster....

Using Electric LEDs in Electric Signs and Letters

The sign industry is currently using LED light sources for many applications. LEDS were first introduced to the sign industry, I believe, on power...

Expanding Home Safety with AFCIs

Smoke alarms, fire extinguishers, emergency escape ladders—these are all proven methods for making a quick and safe escape from a fire in the home....

The Gold Roadrunner Club

If you have been around awhile, you have probably heard of the group called the Roadrunners. If you regularly attend IAEI chapter and section...

New Jersey Building Inspectors – Partners in NEC Enforcement

Section 250.52(A)(3) requires that if the footing construction includes 20 feet of rebar not less than ½ inch in diameter, the rebar must be...

If Electricity Is So Expensive, Why Don’t You Buy a Generator? Part 2, Parallel...

As we saw in part 1 of this series, it is tough to make alternative electric sources economical when you are trying to operate...

Electrical Work Related to Fire Alarm Systems

Electrical installations related to fire alarm systems appear to be no different from other types of electrical work. A typical fire alarm system is...

Grounding Basics

Electrical system grounding is not widely understood,and it may lead to many different discussions, interpretations and a wide variation of philosophies. This article reviews...
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