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Monthly Archives: May 2005

Permitting or Inspecting a PV System?

Inspectors are more and more frequently faced with permitting or inspecting PV systems as these systems proliferate throughout the country due to increasing regional...

NEIS: Quality, Safety, and Code Compliance

National Electrical Installation Standards (NEIS) are the first quality and performance standards for electrical construction. Since the National Electrical Contractors Association (NECA) began publishing...

Counterfeit Products Present Additional Business Risks for Distributors and Contractors

Executive Summary: Manufacturers, distributors, and electrical contractors build enduring relationships by supplying quality, dependable electrical products that they are all prepared to stand behind....

Low-Voltage Cabling

This article deals with abandoned, low-voltage communications cabling in building structures, and the serious fire hazard concerns that prompted the 2002 National Electrical Code...

Global Standards Harmonization

For over a century, Underwriters Laboratories Inc. (UL) has been developing safety standards. UL recognized early that while testing and certification services are important,...

AFCI Testers – Not Really

The electrical industry has always had a fascination with testers. There are testers for GFCIs, voltage drop, circuit polarity, circuit continuity and now the...

Awareness of Lightning Safety

Lightning strikes the United States as many as 20 million times each year. Because lightning traditionally causes more deaths than tornadoes or hurricanes and...

Signaling Systems

Article 725 in the NEC covers signaling systems and remote control systems. These types of systems are not always easily distinguished from each other...

Preventing Electrical Shocks With Proper Grounding Techniques

Electrical Shock An estimated 58 people lose their life each week as a result of electric shock. Photo 1. Proper grounding In an electrical system, the grounding...

Basic Electricity, Part 6 – Large Conductors

Most of my training in college was in electronics. When I graduated in 1971, most of the electronics companies were not hiring so I...
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