ARTICLE 285. SURGE-PROTECTIVE DEVICES, 1 KV OR LESS


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ARTICLE 285. SURGE-PROTECTIVE DEVICES, 1 KV OR LESS
ARTICLE 285. SURGE-PROTECTIVE DEVICES, 1 KV OR LESS285.1. Scope. The term "surge-protective device" (SPDs) is now, as of the 2008 NEC, the term of art for devices that shunt voltage spikes to ground. At one time the term was "lightning arrester" but, effective with the 1981 NEC, the terminology changed to "surge arrester" in recognition that voltage surges had many origins in addition to lightning. The next step occurred in the 2002 NEC, when a new article recognized "transient voltage surge suppressors" in addition to surge arresters. These devices were normally located on the load side of the service equipment, but could be on the l…
Citation
Frederic P. Hartwell; Joseph F. McPartland; Brian J. McPartland: McGraw-Hill's National Electrical Code 2017 Handbook, 29th Edition. ARTICLE 285. SURGE-PROTECTIVE DEVICES, 1 KV OR LESS, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export