ECM Buyers' Guide

December 2008

Cover Story

Rock Bottom?

Dec 1, 2008 12:00 PM, By Beck Ireland, Staff Writer

As the housing market goes, so eventually goes non-residential construction, say industry economists. With the value of U.S. construction expected to...

Other Features

What is Power Usage Effectiveness?

Dec 1, 2008 12:00 PM, By Mark Szalkus, GE Digital Energy - Power Quality

A measure of a facility's total power delivered divided by its IT equipment power usage level, power usage effectiveness (PUE) is especially important...

Tax Planning: Past, Present, and Future Savings

Dec 1, 2008 12:00 PM, By Mark E. Battersby, Freelance Writer

As the deadline for filing tax returns fast approaches, every electrical contractor should be aware of the many changes to our tax laws changes that will...

Troubleshooting Residential Submersible Pump Systems

Dec 1, 2008 12:00 PM, By David Herres, Master Electrician

Why is it that residential deep well submersible pump system malfunctions are notoriously hard to diagnose? For one, a pump/motor assembly suspended 10...

Strength in Numbers

Dec 1, 2008 12:00 PM, By Bob Mitchell, Integrated Management Group

Historically, traditional managers put very little stock in forming teams in the workforce. Their school of thought was to hire a group of technically...

National Electrical Code

What's Wrong Here?

Dec 1, 2008 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...

Stumped by the Code?

Dec 1, 2008 12:00 PM, By Mike Holt, NEC Consultant

Q. Is GFCI protection required for receptacles above the counter of a break room in an office building?...

Industry Viewpoint

The Sky is Falling

Dec 1, 2008 12:00 PM, By Michael Eby, Editor-in-Chief

Most everyone has read the children's story Chicken Little. Although the story is meant to teach courage, it can also be interpreted to mean don't believe...

Market Watch

From the Forensic Files of NIOSH

Dec 1, 2008 12:00 PM

Proper maintenance and inspection of equipment is a critical part of any electrical contracting company's operations. However, keeping records of maintenance...

Increased Renewable Power Use May Affect Grid Reliability

Dec 1, 2008 12:00 PM

According to a recent report from the North American Electric Reliability Corporation (NERC), Washington, D.C., the widespread push to reduce carbon emissions...

Food & Beverage Expenditures Expected to Hold Steady in 2009

Dec 1, 2008 12:00 PM

Despite tight financial markets worldwide and the sharpest decline in consumer confidence recorded since the 1950s, the food & beverage industry is anticipated...

Product of the Month

Residential Lighting Control System Puts Homeowners in Command

Dec 1, 2008 12:00 PM, By Stefanie Kure, Senior Associate Editor

Imagine having the freedom to place a light switch wherever it best suits your lifestyle next to your bed, within reach of your preschooler's grasp, or...

Forensic Casebook

The Case of the Misplaced Air-Handling Unit

Dec 1, 2008 12:00 PM, By Leonard Greene, P.E., Orbital Engineering and Consulting

When the work order came across his desk, it seemed like any other routine maintenance call to the school district's service technician certainly nothing...

PQ Corner

Six-Pulse Conversion and Harmonics

Dec 1, 2008 12:00 PM, By John DeDad, Senior Director, Editorial and EC&M Development

Most modern industrial facilities have widespread applications of nonlinear loads, many of which represent a significant portion of the total facility...

Construction Watch

Construction Rocks the Vote

Dec 1, 2008 12:00 PM

On November 4, voters in eight states expressed strong support for infrastructure investment by approving more than $12 billion for public works projects,...

All in the Family

Dec 1, 2008 12:00 PM

Newtown Square, Pa.-based Balfour Beatty Communities recently announced that financing has been secured for the Fort Jackson military family housing project...

Economic Recovery Plans Include Infrastructure Improvements

Dec 1, 2008 12:00 PM

At a meeting of the National Governors Association (NGA) in Philadelphia, President-Elect Barack Obama asked the nation's governors to help craft a plan...

Project Spotlight

Major Renovation Puts Los Angeles Theater at Center Stage

Dec 1, 2008 12:00 PM, By Stefanie Kure, Senior Associate Editor

Since opening its doors in 1967, the Mark Taper Forum better known as the Taper has not only become a Los Angeles landmark, but is also one of America's...

Back to Basics

The Basics of Conductor Reactance and Voltage Drop Part 1

Dec 1, 2008 12:00 PM

Variable current will generate inductance, capacitance, and their related properties of inductive and capacitive reactance. Although there's no energy...

Product Spotlight

Product News

Dec 1, 2008 12:00 PM

Power-conditioned UPS The ONEAC brand ONePlus Series power-conditioned UPS features a power range of 250VA to 1,000VA and operates in 120V, 60 Hz, or...

Product News

Dec 1, 2008 12:00 PM

Area light This outdoor LED area light provides up to 60% energy savings compared with traditional HID lamp sources and optical systems, according to...

Product News

Dec 1, 2008 12:00 PM

LED lamp The 120MBLS-X-CX is a wide-angled LED that operates to a maximum of 130VAC while drawing less than 8mA 85% lower than that of a standard 120...

Product Spotlight

Dec 1, 2008 12:00 PM

Power distribution unit Wavestar mission-critical 400-, 625-, and 750-kVA power distribution units (PDUs) have been added to the company's PowerPak line....

what's wrong here?

What's Wrong Here?

Nov 5, 2009 11:50 AM

What's Wrong Here?

Oct 22, 2009 11:16 PM

What's Wrong Here?

Oct 8, 2009 3:32 PM

View all What's Wrong Here?

product of the week

LED light engine

November 2, 2009

LED light engine

View all 2009 Products of the Week

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EC&M TV

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Gain years worth of insight in only 2-1/2 hours with Southwire’s 2009 Cable Innovation Road Show with Grounding Seminar. The agenda is packed with valuable information that focuses on installation tips!

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Sizing Gen-Sets: Facts, Hints, and Good Judgment
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The complexities of today’s commercial or industrial facility, with their equipment environment of linear and nonlinear loads, places a whole new light on sizing engine-generator sets.

Arc Mitigation - A Total System Approach
There’s no question the risk of arc flash hazards is real in the electrical industry. What many don’t always realize is the impact in business interruption from such events typically far outweighs the physical damage to equipment. View this On Demand Webinar!

Implementing an Industrial Ethernet Infrastructure that's Built to Last
This webinar explores the key benefits of implementing a robust complete, end-to-end Industrial Ethernet solution – from cabling and connectivity, to active components and associated hardware. View this On Demand Webinar!

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