Is Online Shopping Secure?
Dec 1, 1999, By Mark Lamendola, Technical Editor
With discounts of 20% to 40%, buying through an Internet commerce site is an attractive option. But next comes the question everyone wants to know: Is it safe?...
Carelessness Turns to Tragedy
Dec 1, 1999, By Paul E. Pritzker, P.E., C.S.P.
Lack of safe working practices, failure to wear personal protective equipment, and a live circuit breaker lead to electrocution in water treatment plant....
Testing isolation transformers for attenuation.
Dec 1, 1999, Lewis, Warren L.
Measuring common-mode current, not voltage, will provide a real-world measure of isolation transformer attenuation.How can the performance of electrostatic...
Checking the Health of Your Rotating Machinery
Dec 1, 1999, By Joseph R. Knisley, Senior Editorial Consultant
The latest in vibration analysis tools, the Fast Fourier Transform (FFT) vibration spectrum analyzer promises accuracy improvements of up to 200%....
Residential Sales Promos That Work
Dec 1, 1999, By Mark Lamendola, Technical Editor
Here's how creating your own sales promotions and packaging services can boost your bottom line....
A Matter of Safety Interlocks
Nov 1, 1999, By Michael J. Foley, Technical Consultants Group
Poor maintenance and unsafe working practices lead to injuries.What was supposed to be a routine maintenance job for two workers turned into a near life...
Using Your DMM and Scope Wisely
Nov 1, 1999, By John A. DeDad, Editorial Director
Here's a primer on symbology, terminology, connections, and operation for modern digital multimeters and oscilloscopes....
Analyzing transformer insulating fluid.
Nov 1, 1999, Miller, George
As part of a complete preventive maintenance program, periodic oil analysis will monitor the condition of power transformers and detect problems before...
Expanding Your Troubleshooting Arsenal
Nov 1, 1999, By Chuck Newcombe and Ed Shen
The versatile multimeter should not be the only weapon in your troubleshooting arsenal. A host of other useful tools has become more portable, affordable, and user-friendly....
Make Your Accounting Software Add Up
Oct 1, 1999, By Mark Lamendola, Technical Editor
You have an accounting software package, but you still have accounting glitches. What could be wrong?...
Case of the Double Transformer Failure
Oct 1, 1999, By C. Sankaran, P.E.
A transformer manufacturer tries to minimize construction cost by using solid conductors for tap changer connections. Lack of conductor flexibility appears to be leading cause of problem....
Beyond Work Orders: Get More from Your CMMS
Oct 1, 1999, By Mark Lamendola, Technical Editor
At its most basic level, a Computerized Maintenance Management System (CMMS) is a work order tool that helps you get the right people on the job. But, like an iceberg, 90% of its functionality lies beneath the surface....
10 Tips to Save Time with CAD
Sep 1, 1999, By Mark Lamendola, Technical Editor
You spent big bucks on a CAD system, but you still don't see the gains you expected. Time is money, but your CAD system seems to soak it up. What efficiencies are you missing out on?...
Fire Uncovers Problems
Sep 1, 1999, By Harry B. Zackrisoon, Jr., P.E.
Fire destroys equipment. Strangely, additional electrical equipment not consumed by fire is also ruined. What was the cause of this secondary damage?...
Electrostatic Discharge: Causes, Effects, and Solutions
Sep 1, 1999, By Ken Michaels, Bell South Corp.
Many items in today's workplace can store thousands of volts in electrostatic charges. Yet, it only takes 25 electrostatic volts to irreparably damage an integrated circuit....
Motor Drives: Doing More with Less
Sep 1, 1999, Edited by Mark Lamendola, Technical Editor
Cutting energy costs for motors usually means installing an electronic drive. The savings from electronic drives go far beyond just energy costs. In many...
Detecting moisture in dry type transformers.
Aug 1, 1999, Campbell, Dean
Resistance testing verifies moisture presence; simple dryout methods eliminate the problem.Failure of dry type transformers can occur during operation...
Maintaining Your Power Distribution System
Aug 1, 1999, By Mark Hartfiel, Power Engineering, Inc.
You've probably heard the athlete's proverb, "No pain, no gain." In the electrical world, it's "No maintenance, no operations." How much maintenance do you need?...
Electrical Maintenance: Poor Planning Can Lead to Catastrophe
Aug 1, 1999, By Mark Lamendola, Technical Editor
Unless you have a solid maintenance plan, you are planning to fail. What are the criteria for a solid maintenance plan, and how do you make it work? How do you plan for success, instead of failure?...
Maintain More, Repair Less: Where to Focus
Aug 1, 1999, By Mark Lamendola, Technical Editor
No matter how hard you work or how fast you repair equipment, production stops, so management cuts your budget. Sound familiar? It doesn't have to....
