July 2007

National Electrical Code

Article 225: Outside Branch Circuits

Jul 1, 2007 12:00 PM, By Mike Holt, NEC Consultant

Article 225 provides installation requirements for outside branch circuits and feeders that run on (or between) structures or poles (Fig. 1). The NEC...

What's Wrong Here?

Jul 1, 2007 12:00 PM, 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...

Code Quandaries

Jul 1, 2007 12:00 PM, By Mike Holt, NEC Consultant

All questions and answers are based on the 2005 NEC. Q. Can I pass conductors from one panel through another panel? If so, what are the restrictions?...

Letters to the Editor

States Don't Follow Stricter Standard, Says Former 90.1 Chair

Jul 1, 2007 12:00 PM

States Don't Follow Stricter Standard, Says Former 90.1 Chair There are some problems with the May article Mood Lighting written by Beck Ireland starting...

Market Watch

Response to Rising Energy Costs

Jul 1, 2007 12:00 PM

In a survey by Milwaukee-based Johnson Controls, only 13% of respondents business leaders from a wide range of facilities and locations who were decision-makers...

Putting the P in Engineer

Jul 1, 2007 12:00 PM

A century ago, the first engineering licensure law was enacted. Now, every state regulates the practice of engineering to ensure public safety by granting...

Construction Watch

Aging Workforce Launches War for Talent

Jul 1, 2007 12:00 PM

For the first time in its 15-year history, the focus of Denver-based FMI Corp.'s annual analysis of construction firm training practices was broadened...

Lighting & Control

Lightfair 2007 Field Report

Jul 1, 2007 12:00 PM, By Joe Knisley, Senior Editorial Consultant

Lighting professionals from around the globe viewed the latest products and newest technologies at Lightfair International 2007, held May 6-10 at the...

Inside PQ

Observations on Supplemental Grounding and Bonding Systems: Part 1

Jul 1, 2007 12:00 PM, By William Bush, Panduit

Site power and grounding audits/evaluations of commercial and industrial locations routinely identify electrical power system grounding and bonding problems....

Short Circuits

Everyone makes mistakes. Some are just funnier than others

Jul 1, 2007 12:00 PM

Water Works We were using an auger one day to install light poles at a local hotel when we hit an unmarked water line about 3-feet deep. After contacting...

Products

2007 Product of the Year Awards

Jul 1, 2007 12:00 PM

Now in its seventh year, the EC&M Product of the Year competition was established to honor excellence in new product development for the electrical industry. The prestigious Platinum Award showcases the most innovative product of the past year and recognizes inventive products that allow electrical design professionals, installers, and maintenance personnel to do their jobs more efficiently and effectively....

EC&M's 2006-2007 Products of the Week

Jul 1, 2007 12:00 PM

Each and every week, we at EC&M select one of the latest and greatest products the industry has to offer, presenting it every Monday morning on our Web...

Lightfair International's 2007 Innovation Awards

Jul 1, 2007 12:00 PM

The 18th Annual Lightfair International (LFI) the world's largest annual architectural and commercial lighting trade show and conference was held at New...