CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER J—ELECTRICAL ENGINEERING (parts 110 to 113) > PART 112—EMERGENCY LIGHTING AND POWER SYSTEMS > SUBPART 112.20—Emergency Systems Having a Temporary and a Final Emergency Power Source (§112.20-1 to §112.20-15) > 112.20-3—Normal source for emergency loads.

112.20-3—Normal source for emergency loads.

(a) The normal source for emergency loads must be the ship's service generating plant.
(b) The power from the ship's service generating plant for the emergency loads must be supplied to the emergency switchboard through automatic transfer switches.