ARTICLE 408. SWITCHBOARDS AND PANELBOARDS


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ARTICLE 408. SWITCHBOARDS AND PANELBOARDS
ARTICLE 408. SWITCHBOARDS AND PANELBOARDS408.1. Scope. As in the case of Art. 404, the scope now clarifies that the provisions within Art. 408 do not apply to medium-voltage equipment, which is exclusively addressed in Art. 490. In addition, the Code-making panel removed, as of the 2011 cycle, the reference to "distribution boards." This terminology had been a source of endless speculation as to what a distribution board might actually be, and the panel concluded that it was an anachronism that should be discarded. This terminology was literally a century old, originating in Rule 70 of the 1911 NEC as part of the phrasing (under a heading covering manufacturing requirements for "Cabinets") "For panel and dist…
Citation
Frederic P. Hartwell; Joseph F. McPartland; Brian J. McPartland: McGraw-Hill's National Electrical Code 2017 Handbook, 29th Edition. ARTICLE 408. SWITCHBOARDS AND PANELBOARDS, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export