April 2011

Cover Story

Up to Standards

Apr 21, 2011 4:41 PM, By Beck Ireland, Staff Writer

New solid-state lighting standards help LED gain greater market share...

Other Features

The Whole Package

Apr 22, 2011 4:24 PM, By Beck Ireland, Staff Writer

Solar franchising helps electricians enter renewable energy business...

Reducing Lighting Costs in Hi-Bay Environments

Apr 21, 2011 5:19 PM, By Ben Hahn, Acuity Brands Lighting

How to reduce lighting costs in hi-bay environments...

National Electrical Code

Article 110: Requirements for Electrical Installations

Apr 21, 2011 11:57 AM, By Mike Holt, NEC Consultant

Reviewing existing rules and 2011 NEC changes ...

Illustrated Catastrophes

Apr 22, 2011 3:17 PM, By Joe Tedesco, 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?

Apr 22, 2011 4:31 PM, By Joe Tedesco, NEC Consultant

Can you identify the Code violation(s) in this photo?...

Stumped by the Code?

Apr 21, 2011 12:02 PM, By Mike Holt, NEC Consultant

Your most pressing National Electrical Code (NEC) questions answered...

Industry Viewpoint

Ready for Prime Time

Apr 22, 2011 4:28 PM, By Mike Eby, Editor-in-Chief

LED luminaire enters mainstream market sectors...

Maintenance Facts

Assessing Service-Aged, Medium-Voltage Power Cables

Apr 22, 2011 4:05 PM, By Mike Moore, Shermco Industries

Assessing service-aged, medium-voltage power cables...

Lighting & Control

Saving Energy with Networked Streetlights

Apr 22, 2011 3:20 PM, By Joe Knisley, Senior Editorial Consultant

How an electrical power system can become part of an outdoor local area network...

Project Spotlight

St. Louis Community College Opens LEED Gold-Designed Facility

Apr 22, 2011 4:22 PM, By Stefanie Kure, Senior Associate Editor

William J. Harrison Education Center attains LEED Gold certification...

Contractor Connection

IES Receives 2010 Platinum Safety Award

Apr 21, 2011 4:14 PM

Associated Builders and Contractors gives IES 2010 Platinum Safety Award...

Christenson Electric Acquires Tanner Creek Energy

Apr 21, 2011 4:37 PM

Christenson Electric acquires Tanner Creek Energy to expand its renewable energy services...

Estimating 101

Understanding the Estimating Process - Part 4 of 12

Apr 21, 2011 5:10 PM, By Linda Candels, Candels Consulting

Understanding how to read the specifications...

Eye on Safety

Hand Protection

Apr 21, 2011 5:14 PM, By Jason Kokoszka, Ansell Construction

How to supply workers with a glove they’ll actually want to wear...

Calculations Corner

Protective Device Coordination Study - Part 3 of 3

Apr 21, 2011 11:55 AM, By Frank Mercede, P.E., and Joseph N. Mercede, Mercedes Electric Co.

Exploring low-voltage substation protection...

Analyze This

Analyze This, April 2011

Apr 21, 2011 11:50 AM

Percentage decline in sales of newly built, single-family homes in February, putting this market at a record-low, seasonally adjusted annual rate of 250,000 units...

Product Spotlight

Focus on Luminaires

Apr 22, 2011 4:19 PM

The GFP80 Series of luminaires offers ceiling, garage, pendant, or quick-mount capabilities...

Product News

New Products, April 2011

Apr 22, 2011 4:13 PM

The EnduraLED 12.5W A-19 lamp meets or exceeds the light quality and energy efficiency requirements for a 60W LED equivalent set forth by Energy Star...

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