Primary Care Electrician 

Apr 1, 2009, By David Herres, Master Electrician

Understanding the specific challenges involved in of working on electrical systems in health care facilities...

Plumber Electrocuted After Installing Unsafe Temporary Power Connection at New Construction Residential Housing Development 

Mar 1, 2009, By Chris Shiver, P.E., Cerny & Ivey Engineers, Inc.

When plumbers Jim and Dave arrived at a new residential development, their task at hand certainly seemed routine performing trim-out work (installation...

Basic Training 

Jan 1, 2009, By Michael Eby, Editor-in-Chief

You would think one of the most basic concepts of an electrical system would be the most widely understood. But after years of working in the electrical...

A Killer in the Ranks 

Jan 1, 2009, By Tom Zind, Freelance Writer

Of more than 4,000 U.S. military deaths recorded in Iraq since the 2003 invasion, two, in particular, have haunted the halls of Congress, corridors of...

Understanding the Differences Between Bonding, Grounding, and Earthing 

Jan 1, 2009, By Larry Ray and S. Frank Waterer, Square D Engineering Services/Schneider Electric

The importance of bonding and grounding in commercial, industrial, and institutional buildings cannot be overstated. The grounded circuits of machines...

To Catch a Thief 

Nov 1, 2008, By Beck Ireland, Staff Writer

For the last five years, Mesa has been battling an escalating copper theft epidemic....

The Case of the Houseboat Electrocution 

Oct 1, 2008, By Andrew Paris, P.E., Anderson Engineering

Soon after a young family purchased a vacation condominium on a local lake, they were anxious to entertain guests. One summer weekend, they invited another...

The 10 Worst Grounding Mistakes You'll Ever Make 

Aug 1, 2008, By David Herres, Master Electrician

Proper grounding and bonding prevent unwanted voltage on non-current-carrying metal objects, such as tool and appliance casings, raceways, and enclosures, as well as facilitate the correct operation of overcurrent devices....

The How's and Why's of IG Wiring 

Aug 1, 2008, By Thomas M. Gruzs, Emerson Network Power

It's hard to buy a new electrical device these days that doesn't contain electronics....

Cathodic Protection Systems and the NEC 

Jun 1, 2008, By Whitt L. Trimble and Eddie Guidry, Fluor Enterprises, Inc.

During the 2005 National Electrical Code (NEC) review cycle, a relatively simple revision was made that created a significant change on the cathodic protection (CP) systems of petroleum and chemical facilities (plants)....

Article 600: Electric Signs and Outline Lighting 

Jun 1, 2008, By Mike Holt, NEC Consultant

Every commercial occupancy needs a form of identification, the standard method of which is typically the electric sign. This is one reason why you'll be working with Art. 600 if you do much commercial or industrial work....

The Pros and Cons of IG Wiring 

Nov 1, 2007, Edited by John DeDad, senior director, editorial and EC&M development

Confusion continues to surround the use, performance, and NEC requirements of isolated ground (IG) wiring. Can it be used anywhere, or is it restricted...

Observations on Supplemental Grounding and Bonding: Part 3 

Sep 1, 2007, By William Bush, Panduit

In Part 2 of this article (August 2007), we described multipoint (or common-type) supplemental grounding and bonding between the T(M)GB [notation used...

Observations on Supplemental Grounding and Bonding: Part 2 

Aug 1, 2007, By William Bush, Panduit

In Part 1 of this article (July 2007), we described (per the Emerald Book and ANSI J-STD-07-A) supplemental grounding and bonding from the grounding electrode...

Observations on Supplemental Grounding and Bonding Systems: Part 1 

Jul 1, 2007, By William Bush, Panduit

Site power and grounding audits/evaluations of commercial and industrial locations routinely identify electrical power system grounding and bonding problems....

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