February 2009
Cover Story
Training & Continuing Education Trends in the Electrical Industry
Feb 1, 2009 12:00 PM, By Beck Ireland, Staff Writer
Despite the slowdown in construction caused by the U.S. economic recession, Jackson, Mich.-based engineering, consulting, and construction management...
Other Features
Successful Project Management Implementation In Electrical Contracting Firms
Feb 1, 2009 12:00 PM, By David Brown, D. Brown Management
As any experienced electrical contractor will tell you, implementing a company-wide project management (PM) system in a construction company has much...
Understanding How Each State’s Interconnection Standards for Distributed Generation Installations Differ
Feb 1, 2009 12:00 PM, By Beck Ireland, Staff Writer
Until recently, a major barrier to the widespread adoption of grid-connected cogeneration and small power production, otherwise known as distributed generation...
The Secret to Short-Interval Scheduling
Feb 1, 2009 12:00 PM, By Dr. Perry Daneshgari and Heather Moore, MCA, Inc.
When the project manager asked the foreman what he'd accomplished that day, the foreman answered with a slight hesitation. Well, I installed the pipe...
National Electrical Code
Electrical Services — Part 1
Feb 1, 2009 12:00 PM, By Mike Holt, NEC Consultant
If you look at Fig. 230.1 in the NEC, you'll see that Art. 230 divides neatly into three general of coverage. The first includes general requirements,...
Stumped by the Code?
Feb 1, 2009 12:00 PM, By Mike Holt, NEC Consultant
Q. What are the termination requirements where NM cables enter a panel?...
What's Wrong Here?
Feb 1, 2009 12:00 PM
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...
Industry Viewpoint
Economic stimulus package signed into law
Feb 1, 2009 12:00 PM, By Michael Eby, Editor-in-Chief
I don't know about you, but I'm having a hard time seeing the short-term value of this pending legislation. As I sit down to write this column, the House...
Motor Facts
How to Keep Variable-Frequency Drives and Motors Running
Feb 1, 2009 12:00 PM, By Dan Orchard, Intigral, Inc.
When applied to blowers and pumps, variable-frequency drives (VFDs) offer energy savings. In mechanical applications, they allow fine adjustments that...
Inside PQ
Power Factor, Capacitors, Harmonic Filters, and Resonance — Part 1
Feb 1, 2009 12:00 PM, By Tom Shaughnessy, PowerCET Corp.
According to the IEEE Standard Dictionary of Electrical and Electronic Terms, power factor (PF) is defined as the ratio of the circuit power (watts) to...
Construction Watch
NECA Contractor Testifies on Building Construction, Green Energy Projects in Economic Stimulus Legislation at House Small Business Committee Hearing
Feb 1, 2009 12:00 PM
As an electrical contractor specializing in solar installations, Tim Ehmann believes without question that green energy is our nation's future. Testifying...
Increase in Renewable Energy Projects Expected in 2009
Feb 1, 2009 12:00 PM
From the campaign trail to national news reports to industry expert commentary, we've all heard plenty of hype surrounding renewable energy technologies...
Construction Industry in United Kingdom (U.K.) Experiences Deep Economic Downturn
Feb 1, 2009 12:00 PM
Not since the early 1980s has the construction industry in the United Kingdom experienced such declines. That's the message coming out of the latest forecasts...
Project Spotlight
Connecticut Magnet High School Teachers Students Hands-On Lessons in Sustainable Design
Feb 1, 2009 12:00 PM, By Stefanie Kure, Senior Associate Editor
School is cool is a phrase you probably don't hear many teenagers espousing these days. However, students who attend classes at the Academy of Information...
Back to Basics
The Basics of Conductor Reactance and Voltage Drop Part 2
Feb 1, 2009 12:00 PM
In the December 2008 issue of EC&M, we talked about calculating the inductive reactance of conductors that are in close proximity to (or touching) one...
Product Spotlight
Product Spotlight: Boxes and Enclosures
Feb 1, 2009 12:00 PM
Steel boxes This line of steel boxes includes more than 500 models in a variety of sizes and configurations and is available with related installation...
New Products
Product News
Feb 1, 2009 12:00 PM
Process monitor The Sentry process monitor allows up to four channels of input information to be monitored and up to four output relays to operate an...
Product News
Feb 1, 2009 12:00 PM
Spade bit The DareDevil spade bit incorporates a full cone threaded tip that the company says increases the speed of the bit and the ease of drilling....
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product spotlight
Toroidal power transformers
Feb 8, 2012 8:39 AM
These toroidal power transformers are designed for medical applications...
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