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. |