Q. When a building has more than one service (as allowed by Sec. 230.2), is there a requirement to ground these multiple services to a common grounding electrode? (Answer based on 2011 NEC.) A. Where ...
A. Service equipment supplied from a grounded system must have the grounding electrode conductor (GEC) terminate in accordance with Sec. 250.24(A)(1) through (5). Let’s see what parts 1, 4 and 5 of ...
Radio World Engineering Extra’s Aug. 9 issue featured an article on grounding by David Brender and was a good start for understanding the right approach to system grounding at a facility. Let me ...