§ 28.850 - Main source of electrical power.
(a) Applicability: Each vessel that relies on electricity to power any of the following essential loads must have at least two electrical generators to supply:
(1) The propulsion system and its necessary auxiliaries and controls;
(2) Interior lighting;
(3) Steering systems;
(4) Communication systems;
(5) Navigation equipment and navigation lights;
(6) Fire protection or detection equipment;
(7) Bilge pumps; and
(8) General alarm system.
(b) Each generator must be attached to an independent prime mover.