Public sector design/build work sparse for consulting firms
Jan 29, 2003,
State procurement laws continue to impede the use of design/build in the public sector, according to the results of a recent survey conducted by ZweigWhite....
IEEE approves revisions to one standard, begins work on four more
Jan 17, 2003,
IEEE’s standards board recently approved revisions to an existing circuit breaker standard and gave the green light to work on further revisions to four...
One Engineer Can Make a Difference
Jan 1, 2003, By Michael Eby, Editor-in-Chief
We all know how important it is for young people to have good, strong role models in life someone to look up to, to idolize, to emulate. Most kids worship...
The Key to Making Proper Neutral-to-Case Connections
Nov 15, 2002, By Mike Holt, NEC Consultant
With the problems an improper neutral-to-case connection can create, it's important to closely follow the grounding requirements of Art. 250 in the 2002 NEC....
NEMA publishes guide for adjustable speed drive installation
Nov 15, 2002,
In order to clear up confusion over motors powered by adjustable speed drives, NEMA’s Industrial Automation Control Products and Systems section and Motor...
Raise Productivity with Good Working Drawings
Nov 1, 2002, By Mark Lamendola, Technical Consultant
Planning ahead can save time in the long run....
Remote Power Monitoring and Control
Nov 1, 2002, By Ken Newsome, Siemens Energy and Automation
Remote monitoring can maximize uptime and minimize your investment....
Are You Sure You Want to Put Your VFDs in Your MCCs?
Oct 1, 2002, By Michael R. Olson, ABB
Deciding where to put your drives requires more than just casual consideration....
The Key to Making Proper Neutral-to-Case Connections
Oct 1, 2002, By Mike Holt, NEC Consultant
Improper neutral-to-case connections can cause fire hazards, electrocution, improper operation of protection devices, and power quality problems. Therefore, it’s important to make them only at service equipment and on separately derived systems in accordance with 250.142 of the 2002 NEC....
Minimizing Magnetic Fields
Oct 1, 2002, By Jon Munderloh, Field Management Services Corp.
A power upgrade presents both pitfalls and opportunities for EMF mitigation measures....
Motor Control FAQs
Oct 1, 2002, By Walter Lukitsch, P.E., Rockwell Automation
Here are some answers to frequently asked questions about motor control....
The Watt Stopper releases electrical design guide for schools
Aug 2, 2002,
The Watt Stopper, Santa Clara, Calif., recently published “The Lighting Control Best Practices Guide for Schools,” a 60-page guide that includes application-specific...
Get to the Heart of Objectionable Current
Aug 1, 2002, By Mike Holt, Mike Holt Enterprises, Inc.
What's the harm in objectionable current, and how do you eliminate it?...
Leaving a Mark
Aug 1, 2002, By Matthew Halverson, Senior Associate Editor
Revisions to the UL standard governing ground-fault circuit interrupters have raised the bar for safety but brought into question who has the power to bring about change....
IEEE adds a standard, updates another
Jul 5, 2002,
IEEE has given the go-ahead for work on a new standard, IEEE P1614, Guide for Monitoring, Information Exchange and Control of Distributed Resources Interconnected...
Protecting UPSs Against Damaging Fault Currents
Jul 1, 2002, By Nilo L. Villarin, P.E., NV Enterprises, Inc.
Compliance with NEC 110.10 is critical for safety....
NECA releases guide to codes, enforcement, and licensing
Jun 17, 2002,
NECA recently made available its Guide to State Electrical Codes, Enforcement and Licensing (2002), a reference for contractors, manufacturers, and others...
NECA publishes new panelboard standard
Jun 5, 2002,
The National Electrical Contractors Association (NECA), Bethesda, Md., recently added another publication to its growing series of National Electrical...
What to know about PLC ladder diagram programming.
Jun 1, 2002, Rosandich, Ryan G.
When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming.Their...
The Rarity of Common Sense
Jun 1, 2002, By John DeDad, Editorial Director
Graduating with rosy visions of success and satisfaction, young electrical power engineers — what few there are — will enter an industry that is short on pizzazz and long on mundane and mature technologies......
