ECM Buyers' Guide

ops & maintenance


Embracing Change 

Nov 1, 2007, By Michael Eby, Editor-in-Chief

Many years ago, when I worked for an electric utility, I found myself in the position of tracking changes to the National Electrical Safety Code (NESC)...

The Case of the 120V Electrocution Mystery 

Oct 1, 2007, By Michael S. Morse, Ph.D., University of San Diego

Although often dismissed by industry veterans and novices alike as trivial, working in proximity to live 120V circuits leads to the untimely and unexpected...

Short Circuits 

Oct 1, 2007, 

Homemade Flame Thrower Our forklift was having fuel problems due to sawdust in the gas tank. One day, my brother, who is also our lead electrician, along...

Contractors Cast Wider Net for Estimating Help 

Oct 1, 2007, By Tom Zind, Freelance Writer

In the construction world of logistics nightmares, impossible deadlines, and complex projects, the word has a benign ring to it. But as every good electrical...

Winning the Sales War 

Oct 1, 2007, By Brad Dawson, LTV Dynamics

Be honest. How many bids are sitting on your desk at this very moment? Are you confident you'll win at least 80% of them? Besides a competitive price,...

The Case of the Knockoff Motor 

Sep 1, 2007, By Curtis E. Falany, P.E., FORCON International Corp.

Have you ever heard the expression, green is ground the world around? I have, many times. But do you ever personally check the green conductor to see...

Calculating Arc Flash Energy Levels 

Sep 1, 2007, By Benjamin O. Medich, P.E., Ballinger

While not a major topic of consideration when designing and maintaining facilities in past years, code-enforcement bodies have become increasingly aware...

Magnetic Motor Starter Basics 

Sep 1, 2007, By Steve Vidal, P.E., Joseph J. Vidal & Sons, Inc.

The NEC defines a controller in a few different ways. In Art. 100, a controller is described as a device or group of devices that serves to govern, in...

Battery Sizing Basics 

Sep 1, 2007, By Shanmuga S. Pandian, SOFCON

Because stationary batteries and 48VDC power systems serve as lifelines for telecommunication networks, the reliability of these systems is of the utmost...

Short Circuits 

Sep 1, 2007, 

Tarzan the Electrician I was fresh out of college, recently returning from Army active duty, and was hired on as an electrician at a small electrical...

Short Circuits 

Aug 1, 2007, 

The Power of Darkness As an electrical designer at a NASA center, I once got a phone call from a user who had contracted for a turnkey installation of...

ASA Sets Code of Ethics for Construction Subcontractors 

Aug 1, 2007, 

In response to the corporate scandals of the 1990s, the Sarbanes-Oxley Act of 2002 began requiring public companies to disclose whether they have adopted...

From the Front Lines 

Aug 1, 2007, By Beck Ireland, Staff Writer

There's a common saying electrical contractors have about electrical inspectors: Arguing with an inspector about the Code is like wrestling with a pig...

Putting the Web to Work 

Aug 1, 2007, By Tom Zind, Freelance Writer

With a half-century under its belt, Malko Electric Co., Morton Grove, Ill., takes rightful pride in its long list of accomplishments. But it's not just...

The Power of the R5 Business Model 

Aug 1, 2007, By Bradley Dawson, LTV Dynamics

In today's business climate, strategic planning has become an annual administrative exercise for upper management. Every year, business owners brush off...

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LED light engine

November 2, 2009

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The complexities of today’s commercial or industrial facility, with their equipment environment of linear and nonlinear loads, places a whole new light on sizing engine-generator sets.

Arc Mitigation - A Total System Approach
There’s no question the risk of arc flash hazards is real in the electrical industry. What many don’t always realize is the impact in business interruption from such events typically far outweighs the physical damage to equipment. View this On Demand Webinar!

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This webinar explores the key benefits of implementing a robust complete, end-to-end Industrial Ethernet solution – from cabling and connectivity, to active components and associated hardware. View this On Demand Webinar!

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