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IAEI News>Issue Listing>September/October 2003
September/October 2003
 
Theme: LEDs vs. the Lightbulb


 
LEDs vs. The Lightbulb
by David Talbot

With their longer lifetimes and higher efficiencies, light-emitting diodes will transform the illumination industry—and save billions in energy costs.

 
Photoluminescent Exit Signs—Many Things to Consider
by Gregory Steinman

Photoluminescent signs are no longer considered supplementary means of egress for today's buildings; they are relied upon as the main means of egress in the form of exit signs.

Proposed Code Changes for the 2005 NEC, Part II
by Michael J. Johnston

This article provides a preview of some of the more significant proposed changes to the 2005 NEC. This is a continuation of Part I provided in the July/August issue.

Electric Circuit Functionality During a Fire Scenario
by Robert Berhinig and Tom Lichtenstein

Article 695 for fire pumps, Article 700 for emergency systems and Article 760 for fire alarm systems recognize the need to maintain electrical circuit integrity during a fire such that electrical power is not interrupted to critical circuits under fire conditions.

Ambient Temperature Ampacity Corrections for Cable Bundling and Direct Solar Exposure
by Travis C. Lindsey and William T. Black

The NEC requires that ampacity corrections be made for cables exposed to ambient temperatures higher than normal values. When the derating tables are not applied in practice, and they often are not, serious consequences can result. 

A Century of Safety Standards—UL Celebrates 100 Years of Developing Safety Standards
by Underwriters Laboratories

UL has published more than 880 Standards for Safety since 1903 for products ranging from fire-rated building materials to information technology equipment to electrical household appliances.

Installing and Inspecting Neon Transformers
by Michael J. Johnston

Neon signs and field-installed skeleton tubing installations require a transformer or power supply to step up the voltage to a high level that will cause ignition of connected neon tubing.

AFCI Forum

Comments on the July/August 2003 article "Truth About AFCIs, Part 3."

Suburban Division Legislative Committee Materializes into Political Action Committee
by Barbara Grady

Illinois is one of the few states that has not adopted a state electrical code and doe snot license electricians, contractors, or inspectors. Of particular concern is the ten-year continuing debate of a state code and licensing regulations with no action.

Editorial: One Down... 
by James Carpenter, CEO/Executive Director

June 1, 2003, was my first anniversary as your CEO and executive director. My, how time does fly! What has happened in the past year? My and Mary Anne’s grandson has gotten a year older and is quite the young man, just passing through the "terrible twos," and we have a new granddaughter that is already wrapping everyone around her little finger. Of course, we are a year older too, but let’s not talk about that!

Canadian Code: Communications System Wiring  
by Leslie Stoch

The Canadian Electrical Code, Section 60, Electrical Communications Systems covers the requirements for communications systems wiring entering into buildings and installed throughout buildings. The code considers a communications system, any system that carries voice, sound or data signals.

Other Code: Existing Facilities Must Comply With What Edition?  
by David C. Young, PE

Lawyers often ask me if the particular electric supply conductors involved in an electric contact accident were in compliance with the National Electrical Safety Code (NESC) at the time of the accident. Since the code from 1990 to the present requires all existing facilities to comply with either the code in effect at the time of the original installation, a subsequent code, or the present code, I first ask when the accident occurred and if there have been any changes to the facilities since the accident.

UL Question Corner  (pdf)
by Underwriters Laboratories

The “UL Question Corner” answers questions of general interest that are sent in from authorized government inspectors and we believe will have interest for many inspectors.

 

 

 

 
Ambient Temperature Ampacity Corrections
UL Celebrates 100 Years
Neon Transformers
AFCI Forum
Political Action Committee
 

 

 

 

 

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