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46 U.S.C. 3316, 4502, 4505, 4506, 6104, 8103, 10603; DHS Delegation 00170.1, Revision No. 01.4.
CGD 88-079, 56 FR 40393, Aug. 14, 1991, unless otherwise noted.
CGD 94-025, 60 FR 54444, Oct. 24, 1995, unless otherwise noted.
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(a) Each electrical distribution system which has a neutral bus or conductor must have the neutral bus or conductor grounded.
(b) A grounded electrical distribution system must have only one connection to ground. This ground connection must be at the switchboard.