The Case of the Shocking Switch
Aug 1, 2000, By Ralph Crawford, P.E.
It seemed like an ordinary morning, as the dental clerk began her office startup routine. Yet when she tried turning on the motor-driven compressor from...
The Top 25 Proposed Code Changes for 2002
Aug 1, 2000, By James Stallcup, Sr.
As the next edition of the NEC begins to take shape, here's a look at the top 25 most important proposed Code changes that will affect you as an electrical professional....
Classifying and Using Class 1, 2, and 3 Circuits
Aug 1, 2000, By James Stallcup, Sr.
Classifying and Using Class 1, 2, and 3 Circuits...
Apprenticeship Act May Ease Skilled Worker Shortage
Aug 1, 2000, By EC&M Staff
Construction companies across the country continue to face workforce shortages due to lack of skilled workers in this industrymore than 250,000 jobs annually...
Insulation Resistance Testing: How and Why?
Aug 1, 2000, By John A. DeDad
How significant is insulation resistance testing? Since 80% of electrical maintenance and testing involves evaluating insulation integrity, the answer...
NFPA's Consensus Codes Set Makes Progress
Aug 1, 2000, By EC&M Staff
Some of the country's leading code organizations are moving forward in the development of the NFPA Consensus Codes seta full set of codes for the built...
Top Networking Nuisances
Aug 1, 2000, By EC&M Staff
Moves, Adds, and Changes (MACs) continue to be a leading headache for network professionals, according to a recent survey by Cablesoft, Tempe, Ariz.Conducted...
Which Software for What Task?
Aug 1, 2000, By Mark Lamendola
Even the best software can reduce your productivity, if you use it for the wrong task....
Premises Cabling Market Reaches Saturation Point
Aug 1, 2000, By EC&M Staff
A recent market research study of the U.S. premises cabling system market, conducted by World Information Technologies, Inc., Northport, N.Y., indicates...
Switching the Neutral: What's the Controversy?
Aug 1, 2000, By Paul McMorrow
Which method is best for switching the neutral: 3-pole transfer switches with overlapping neutral contacts or 4-pole switches? The answer may surprise you....
Firestopping Fundamentals
Aug 1, 2000, By Paul Rosenberg
When installing cable on any project, you must consider fire containment. This means understanding the importance of firestopping. Technically speaking,...
Source Alliance.com Expands Industry Presence
Aug 1, 2000, By EC&M Staff
Serving the industrial, commercial/construction, utility, and data communication sectors, SourceAlliance.com now offers more than 1 million products (from...
Test Your Motor Control IQ
Aug 1, 2000, By Larry Baran, Motor IQ Columnist
Can you ace this duplex pump controller circuit quiz?...
Hit a Grounding Home Run
Jul 1, 2000, By Mark Hartfiel and Mark Lamendola
Find out how to save time and money with grounding upgrades and fatten your bottom line with new commercial and residential opportunities....
The Basics of Zigzag Transformers
Jul 1, 2000, By C. Sankaran, P.E.
These transformers have special windings, appropriate for special applications....
Powering a City Within a City
Jul 1, 2000, By Jim Berard, Eli Sherman, and James Daley, P.E.
The sophisticated power monitoring and control system at Sprint World Headquarters Campus allows facility engineers to override automatic load-trip orders and permit load shedding or peak shaving as necessary....
Federal Funds to Fuel Airport Expansions Nationwide
Jul 1, 2000, By EC&M Staff
A recently approved $40-billion federal spending bill for new airport construction and modernization will create a surge in demand for electrical products...



































