[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR112.20-3] [Page 259] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 112--EMERGENCY LIGHTING AND POWER SYSTEMS--Table of Contents Subpart 112.20--Emergency Systems Having a Temporary and a Final Emergency Power Source Sec. 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.