NASA Completes Transformer Upgrade with Silicone Fluid
Jun 1, 1999, Edited by Ellen Parson, Managing Editor
Fire safety is always one of the first considerations when you’re specifying a transformer, especially if the unit is close to populated areas or high-value...
How To Witness Test A Transformer—Part 1
Jun 1, 1999, By Patrick K. Dooley, Virginia Transformer Corp.
Before a manufacturer sends a transformer to your site, it conducts various tests. To ensure performance requirements, you may want to witness the testing and inspect the unit yourself....
Troubleshooting Your Way Through Electrical Problems
Jun 1, 1999, By John A. DeDad, EC&M Editor-in-Chief
Today's troubleshooters use many tools, from simple handheld meters that measure resistance and voltage to sophisticated recording oscilloscopes that capture fast transients....
Two Cases: Two Deaths
Jun 1, 1999, By Paul E. Pritzker, P.E., C.S.P.
In two cases, sump pump manufacturers were charged with "wrongful deaths." Who's to blame?...
OSHA Training Videos
Jun 1, 1999, By EC&M Staff
If you’re looking for training materials for the new OSHA forklift training requirements, you’ll find the following two videos helpful. Forklift I—Handling...
Developing a Safety Culture in Your Business
May 1, 1999, By Mark Lamendola, Technical Editor
Safety depends on individual decisions, not luck. How do you successfully encourage individuals to make the right decisions?...
The Case Of The Lethal Extension Cord
May 1, 1999, By Robert E. Garrett, P.E., C.E.O., Garrett Engineers, Inc.
Exposed live wires in frayed cord and a puddle equal tragedy....
Does Your Motor Have Enough Get-Up-And-Go?
May 1, 1999, By Robert J. Lawrie, Senior Editorial Consultant
Watch out for energy-efficient motors with insufficient torque to start some loads....
Think, Take Your Time, and Know What You're Doing ...
May 1, 1999, By John A. DeDad, Editor-in-Chief
You may wonder why electrical accidents continue to plague the construction and maintenance workplace. After all, taking safety precautions and using...
Working Hot: How to Avoid Disaster
May 1, 1999, By Jean-Pierre Wolff, Ph. D.
Every time you work on energized high-power circuits, you run the risk of electric shock, arc/blast, or suffocation/poisoning. Here's how to protect yourself from thse three killers....
''No Conclusion'' Results In Agreement
Apr 1, 1999, By Ralph Crawford, P.E.
What happens when you can't give your client an answer?...
DMM: Demystifying Maintenance Maladies
Apr 1, 1999, By Ed Shen, Fluke Corporation
Master troubleshooters often solve electrical mysteries with nothing more than a professional-quality digital multimeter (DMM) and their knowledge of how to use it. Let's look at how the masters do it....
Motor Control Center Meltdown
Mar 1, 1999, By Harry B. Zackrison, Jr., P.E.
A forensic site inspection reveals melted aluminum bus bars. But what was the source of heat, and who was at fault?...
Make Accounting Software Count — Part 2
Feb 1, 1999, By Mark Lamendola, Technical Editor
What principles do you need to know to get the most out of your accounting software?...
MCCB Application, Field Testing, and Maintenance Detailed in NEMA Standards
Feb 1, 1999, By EC&M Staff
NEMA AB3-1996, Molded Case Circuit Breakers and Their Application, describes the types of available molded case circuit breakers (MCCBs), along with many...
