[Code of Federal Regulations]
[Title 46, Volume 7]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR183.310]

[Page 288]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 183--ELECTRICAL INSTALLATION--Table of Contents
 
            Subpart C--Power Sources and Distribution Systems
 
Sec. 183.310  Power sources.


    (a)(1) Each vessel that relies on electricity to power the following 
loads must be arranged so that the loads can be energized from two 
sources of electricity:
    (i) The vital systems listed in Sec. 182.710 of this chapter;
    (ii) Interior lighting except for decorative lights;
    (iii) Communication systems including a public address system 
required under Sec. 184.610 of this chapter; and
    (iv) Navigation equipment and lights.
    (2) A vessel with batteries of adequate capacity to supply the loads 
specified in paragraph (a)(1) of this section for three hours, and a 
generator or alternator driven by a propulsion engine, complies with the 
requirement in paragraph (a)(1) of this section.
    (b) Where a ship service generator driven by a propulsion engine is 
used as a source of electrical power, a vessel speed change, throttle 
movement or change in direction of the propeller shaft rotation must not 
interrupt power to any of the loads specified in paragraph (a)(1) of 
this section.

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