A buried iron or steel plate used as a grounding electrode shall expose not less than _____ of surface area to exterior soil. Grounding electrode requirements are outlined in Sec. 250.52 of the 2011 ...
Q. What are the requirements related to the use of a ground rod for the grounding electrode system, including sizing of the grounding electrode conductor? (Answer based on 2011 NEC.) A. Ground rod ...
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