Product News
Mar 1, 2008,
Clamp meters The Fluke 353 and Fluke 355 true-rms clamp meters measure up to 2,000A of DC and 1,400A of AC current and have a 600V CAT IV and 1,000 CAT...
Product News
Mar 1, 2008,
Timekeeping software Payclock Version 5 features Windows-based software that runs on Windows XP or Vista PC. An upgrade to PayClock Express, PayClock...
Top 10 Steps to Schedule Management
Mar 1, 2008, David Brown ,, D. Brown Management
What if someone told you that you could save thousands of dollars on your next project before you even break ground? Would you believe such a grand statement?...
Everyone makes mistakes. Some are just funnier than others
Mar 1, 2008,
Pick a Door, Any Door After World War II, I served as an electrician with a local electrical company in a small town of approximately 10,000. Some of...
Enlighten Your Customers
Mar 1, 2008, Audwin Cash ,, Lutron Electronics Co., Inc.
Although the kaleidoscope of green options available to those who design and build commercial buildings can be confusing, one fact is clear: Going green...
Grounding and Bonding of Separately Derived Systems
Mar 1, 2008, Mike Holt, NEC Consultant
Separately derived systems (SDSs) include most transformers as well as any generator or UPS supplying a transfer switch that opens the neutral conductor....
OSHA Announces New National Emphasis Program on Silica
Feb 1, 2008,
Each year, approximately 2 million American employees are exposed to crystalline silica, a hazardous form of dust. According to the Center to Protect...
Product News
Feb 1, 2008,
Double-conversion UPS The Digital Energy LP-33U Series double-conversion UPS with true online voltage and frequency-independent operation provides 97%...
Billings at Architecture Firms Hold Steady
Feb 1, 2008,
The American Institute of Architects (AIA), Washington, D.C., says billings at architecture firms remained steady in December, ending the year with the...
Product News
Feb 1, 2008,
Cold storage luminaires Offered with T5HO and T8 lamps, the MJF14, MJF164, and MJF24 cold storage luminaires are designed for use over a temperature range...
Motor Selection for Adjustable-Speed Drives
Feb 1, 2008, By Alexander Kusko, Sc.D., P.E., Exponent Failure Analysis Associates, and Jean Y. Ayoub, M.S.E.E.,
Prior to the advent of the adjustable-speed drive (ASD), the polyphase induction motor operated as a constant-speed motor. Figure 1 shows the well-known...
Product News
Feb 1, 2008,
Plenum-rated products Chicago plenum-rated downlights have been designed with the City of Chicago's Electrical Code in mind. Product features include...
Power Quality Considerations for Security Systems
Feb 1, 2008, By Jay Adams, Transtector, A Smiths Business
Reliable operation of security systems is obviously essential to protect company assets and ensure human safety. However, episodic equipment malfunctions...
Americans Embrace CFLs in Record Numbers
Feb 1, 2008,
When it comes to fighting climate change, many Americans are not only talking the talk, they're actually walking the walk. Case in point: the Environmental...
UPS Testing for Reliable Backup Power
Feb 1, 2008, By Joseph Ong, Fluke Corp.
No electricity provider in the world can guarantee an electrical supply that is free from voltage and frequency variations. The possibility of faults...
Publication Offers Energy-Efficiency Guidelines for K-12 Schools
Feb 1, 2008,
A recent publication from the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), headquartered in Atlanta, educates architects,...
Convincing Clients to Go Green
Feb 1, 2008, By Michael Eby, Editor-in-Chief
I don't know about you, but I'm beginning to see the color green in almost everything I look at whether it's a piece of lumber in the hardware store,...
Solid-State Lighting Solution Shines Bright
Feb 1, 2008, By Stefanie Kure, Senior Associate Editor
The energy efficiency of light-emitting diodes (LEDs) is expected to equal the most efficient white light sources by 2010, according to the U.S. Department...
Case of the Misleading Meter Draws Comments
Feb 1, 2008,
After reading the Forensic Casebook article in the December 2007 issue, I believe the author, Mr. Palmer, is incorrect on several statements. NFPA 70E...
Optimizing Energy Conservation in Today's Plants
Feb 1, 2008, By Dave Bovankovich, E-Mon, LLC
With the industrial sector consuming more than one-third of all the energy used in the United States, it's easy to see why facility managers are constantly...
What's Wrong Here?
Feb 1, 2008, By Joe Tedesco, NEC Columnist
How well do you know the Code? Think you can spot violations the original installer either ignored or couldn't identify? Here's your chance to moonlight...
Illustrated Catastrophes
Feb 1, 2008, By Joe Tedesco, NEC Columnist
As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without...
Stumped by the Code?
Feb 1, 2008, By Mike Holt, NEC Consultant
Q. What are the rules on spacing receptacles in a dwelling unit?...
Utilities Join Forces to Offer Unified Electric Line Specialist Training
Feb 1, 2008,
When it comes to training, Midwest ENERGY Association (MEA), Eagan, Minn., believes in the old saying two heads are better than one try 14 heads to be...
Seeing Green
Feb 1, 2008, By Beck Ireland, Staff Writer
Although concern for the environment and awareness of green technologies are at an all-time high, results from an online survey of 1,000 respondents conducted...
