(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 or, on a nonmetallic vessel, at the common ground point.
source: CGD 88-079, 56 FR 40393, Aug. 14, 1991, unless otherwise noted.
cite as: 46 CFR 28.360