A. Bonding of electrical equipment is covered by Sec. 250.4(A)(2), (3), and (4). Metal parts of electrical equipment are grounded to reduce arcing within the buildings/structures from induced voltage ...
ALEXANDRIA, VA.—In this final installment of a series of articles aimed at helping broadcasters protect their installations from powerline and lightning-induced surges, we focus on the importance of ...
All questions and answers are based on the 2011 NEC. Q. What wiring methods are allowed by the Code in spaces above a lay-in ceiling? A. Section 300.22(C) applies to spaces used for air-handling ...
In this final installment of a series of articles aimed at helping broadcasters protect their installations from powerline and lightning-induced surges, we focus on the importance of electrical ...