ARTICLE 426. FIXED OUTDOOR ELECTRIC DEICING AND SNOW-MELTING EQUIPMENT


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ARTICLE 426. FIXED OUTDOOR ELECTRIC DEICING AND SNOW-MELTING EQUIPMENT
ARTICLE 426. FIXED OUTDOOR ELECTRIC DEICING AND SNOW-MELTING EQUIPMENT426.1. Scope. In addition to covering the longtime standard methods and equipment for electric deicing and snow melting, this article gives detailed coverage of skin-effect heating—a system for utilizing the alternating-current phenomenon of skin effect, which derives its name from the tendency of ac current to flow on the outside (the skin) of a conductor. This action is produced by electromagnetic induction, which has an increasing opposition to current flow from the outside to the core of the cross section of a conductor.In the layout of the article, separate coverage is given…
Citation
Frederic P. Hartwell; Joseph F. McPartland; Brian J. McPartland: McGraw-Hill's National Electrical Code 2017 Handbook, 29th Edition. ARTICLE 426. FIXED OUTDOOR ELECTRIC DEICING AND SNOW-MELTING EQUIPMENT, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export