ARTICLE 404. SWITCHES


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ARTICLE 404. SWITCHES
ARTICLE 404. SWITCHES404.1. Scope. Note that all the provisions of this article that cover switches also apply to circuit breakers, which are operated exactly as a switch whenever they are manually moved to the ON or OFF position. The scope also now makes clear that the article only covers equipment operating at 600 V and below. Medium-voltage switches are covered in Art. 490.404.2. Switch Connections. The rule of part (A) is shown in Fig. 404-1. Keeping both the supply and return conductors in the same raceway or cable minimizes inductive heating, as…
Citation
Frederic P. Hartwell; Joseph F. McPartland; Brian J. McPartland: McGraw-Hill's National Electrical Code 2017 Handbook, 29th Edition. ARTICLE 404. SWITCHES, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export