The Case of Stray Voltage in a Lake
Nov 1, 2009, By Donald R. Johnson, P.E., Johnson Engineering
Faulty concentric neutrals on high-voltage underground cables lead to one teenage swimmer’s drowning and two others’ brain injuries ...
Product News, Nov 2009
Nov 1, 2009,
Heat lamps This line of heat lamps features a locking base design that the company says prevents separation of the base and glass envelope, which can...
Construction Conditions Show Modest Improvement in Q3
Nov 1, 2009,
Q3 09 CONFINDEX reading from the Construction Financial Management Association indicates construction conditions are beginning to stabilize...
The Effects of Underutilization
Nov 1, 2009, By Michael Eby, Editor-in-Chief
Electrical engineers and contractors must teach their customers the value of good design and sound operations/maintenance practices in intelligent building...
Industrial Spending Continues Downward Spiral
Nov 1, 2009,
Value of active industrial projects in North America declines for ninth straight month in a row...
Multi-Use Portland High-Rise Blends Old with New
Nov 1, 2009, By Stefanie Kure, Senior Associate Editor
Sustainable design of new multi-use high-rise in Portland helps building achieve LEED certification...
The Secret to Estimating Labor More Effectively
Nov 1, 2009, By Linda Candels, Candels Consulting
Labor unit adjustment factors every electrical estimator should know about ...
Tools of the Trade
Nov 1, 2009, By Beck Ireland, Staff Writer
Contractors and maintenance staff think outside the toolbox to reveal some unexpected electrical tools of the trade ...
Army Training Center Achieves 30% Energy Savings over ASHRAE 90.1
Oct 1, 2009, By Stefanie Kure, Senior Associate Editor
Sustainable design of new Armed Forces Reserve Center in New York helps it attain SPiRiT Gold certification...
Ten Tips for Increased Tax Savings
Oct 1, 2009, By Mark Battersby, Freelance Writer
Practical planning strategies for electrical contractors who want to keep their tax bill at its legal minimum this year and every year...
Product Certification
Oct 1, 2009, By Michael Eby, Editor-in-Chief
Industry veterans debate what the European request to change the product certification process in the United States could mean for the electrical industry...
Product News
Oct 1, 2009,
Double-conversion UPS The SmartOnline SU3000RTXL2U rack/tower UPS system features an optional economy-mode operation to reduce power consumption and BTU...
Product News
Oct 1, 2009,
LED light panel This LED light panel is constructed of optic acrylic plates and features CNC machined v-cut light distribution grids on its back. With...
The Basics of Control Relays
Oct 1, 2009, By David Bredhold, Eaton Corp.
Inside the world of control relays, including how they’re constructed, how they work, and where they’re used...
Product News
Oct 1, 2009,
Office and estimating databases Sage Timberline Office Version 9.6 and Advanced Assembly Estimating databases offer 64-bit compatibility, simplified general...
Fair Trade
Oct 1, 2009, By Beck Ireland, Staff Writer
OSHA evaluates product safety compliance mechanisms in the interest of U.S.-European trade agreements...
Combination AFCIs Save Time, Money, and Possibly Lives
Oct 1, 2009, By Stefanie Kure, Senior Associate Editor
Siemens new 2-pole combination-type arc fault circuit interrupter (CAFCI) reduces wiring costs and installation/ troubleshooting time...
How to Light Hazardous Environments
Oct 1, 2009, By Steven L. Henry, EGS Electrical Group
Lighting fixtures play a critical role in the safe, efficient, and productive operation of any industrial facility or production process....
Selective Coordination Using Circuit Breakers
Oct 1, 2009, By Benjamin O. Medich, P.E., Ballinger
How to design an electrical system in which the upstream protective device (fuse or circuit breaker) nearest to the system fault clears the fault without affecting the protective devices that are upstream from it...
Illustrated Catastrophes
Oct 1, 2009, By Brian J. McPartland, NEC Consultant
As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without criticizing anyone or any product, the following scenarios present us with serious safety questions....
What's Wrong Here?
Oct 1, 2009, By Brian McPartland, NEC Consultant
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...
Focus on Relays
Oct 1, 2009,
New product spotlight on relays for electrical contractors, electrical engineers, and plant facility personnel...
Hopes for Non-Residential Sector Recovery Remain Strong
Oct 1, 2009,
Industry report reveals higher levels of construction spending, particularly for infrastructure projects, may put non-residential market on the road to recovery...
Customer Positioning Tips for Electrical Contractors
Oct 1, 2009, By Dr. Perry Daneshgari and Heather Moore, MCA, Inc.
Customer positioning and control (CPAC) method helps electrical contractors examine the quality of production by identifying the demands placed on an organization’s resources relative to the value produced...
Low-Voltage Cabling Requirements for Harsh, Industrial Applications
Oct 1, 2009, By Peter McNeil, L-com Global Connectivity
How to select the right type of cabling for your industrial network...
