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Monthly Archives: September 2003

LEDs vs. The Lightbulb

It’s a sunny day on the campus of the University of California, Santa Barbara, but little light penetrates the labs and offices of Shuji...

Ambient Temperature Ampacity Corrections for Cable Bundling and Direct Solar Exposure

Heat is one of the enemies of electrical systems. As part of a larger study of elevated ambient temperatures in residential and non-residential structures...

Electrical Circuit Functionality During a Fire Scenario

Electrical power is essential for the continued operation of various types of fire safety related equipment under fire conditions. Fire safety equipment includes fire...

Installing and Inspecting Neon Transformers

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...

AFCI Forum

by Clive Kimblin, Eaton Cutler-Hammer It is true that code-making panel 2 has proposed revising 210.12(B) to require "an arc-fault circuit interrupter, combination type, installed...

Proposed Code Changes for the 2005 NEC, Part 2

This article is intended to provide a preview of some of the more significant proposed changes to the 2005 NEC. This is a continuation...

Existing Facilities Must Comply With What Edition?

Lawyers often ask me if the particular electric supply conductors involved in an electric contact accident were in compliance with the National Electrical Safety...

Suburban Division Legislative Committee Materializes into Political Action Committee

Illinois is one of the few states that has not adopted a state electrical code and does not license electricians, contractors, or inspectors. Of...

Photoluminescent Exit Signs

Photoluminescent signs are no longer considered supplementary means of egress for today’s buildings; they are relied upon as the main means of egress lighting...

Is the flange that sticks down through the ceiling that the trim mounts through...

Question: Incandescent fixtures Type non-IC, recessed incandescent fixtures are required to be spaced a minimum of 1/2 in. from combustible materials except at points of...
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