ECM Buyers' Guide

ops & maintenance


How to Maintain and Test UPS Systems 

Mar 1, 2001, By John E. Diamond, Cushman & Wakefield

Effective testing of a UPS system is a complex and potentially dangerous operation if you don't do it correctly. After 10 years of successful uninterrupted...

Labor Hours and the Estimate Summary 

Feb 1, 2001, By Mike Holt

The first in a multi-part series, this article will outline nine steps to preparing more accurate bids. This month, we'll discuss total labor hours.Summarizing...

Benefits of Battery-Capacity Testing 

Feb 1, 2001, By Glenn Alber

Battery-capacity testing is an essential part of battery maintenance. But how do you do it effectively?How do you know your UPS will have "enough battery"...

Using the Wrong Tool Can Be Dangerous 

Feb 1, 2001, By Eugene Tims

Two electricians receive burns while using a poorly designed test instrument with inadequate leads.Just before the arc flash severely burned the two electricians,...

The Case of the Flickering Warehouse 

Jan 1, 2001, By Stan Turkel

From the files of a power quality detective, this case examines how a warehouse endured continuous problems with high-pressure sodium lights.As the man...

The Case of the Elevator Arc Flash 

Jan 1, 2001, By Kenneth E. Buske, P.E.

While servicing an elevator at an older San Francisco high-rise hotel, an elevator technician accidentally created an electrical arc flash at the fused...

Are Reconditioned Breakers a Good Idea? 

Jan 1, 2001, By Dick Bopp

Let's look at the truth about reconditioned breakers, including when to use them and how to ensure reconditioning provides a safe and reliable breaker.Many...

Job-Cost Codes: The Estimator's Report Card 

Jan 1, 2001, By George Hague

With job-cost accounting, estimators now have the tools to make intelligent adjustments and get an A+ on every bid. Job-cost accounting provides contractors...

Customized Contractor Pathway to the Internet Now Available 

Jan 1, 2001, By EC&M Staff

Electricsmarts.com recently unveiled a new customized "Contractor View" configuration specifically for electrical contractors. The site offers several...

Justifying Software Purchases 

Jan 1, 2001, By Mark Lamendola

Getting management to accept the up-front purchase costs as well as ongoing support charges of a software purchase can be impossible without the right...

Don't Slip Up When Greasing Your Bearing 

Jan 1, 2001, By John Paschal

Want to prevent unannounced motor downtime? Installing bearing isolators will greatly help your cause.There's no doubt about it. Motors are wonderful...

Troubleshoot with PQ Interviewing Techniques 

Dec 1, 2000, By Stan Turkel

The majority of power quality problems are relatively easy to troubleshoot, provided you ask a lot of questions and you don't lose focus. Learning the...

Berk-Tek's LANmark Receives Certification 

Dec 1, 2000, By EC&M Staff

With a little tightening of the attenuation requirements, Berk-Tek, New Holland, Pa., A Nexans company (formed from Alcatel Cables and Components) recently...

Estimating Basics - The Takeoff 

Dec 1, 2000, By Mike Holt

Consistency when measuring and counting the symbols on your plans will help you reduce the time it takes to estimate a job and eliminate some errors.Counting...

Searching for Truth After the Fire 

Dec 1, 2000, By Paul E. Pritzker

When a false report determines a heater caused a building to burn down, the investigation turns to a question of integrity. After fire destroyed a two-story...

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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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