[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: 46CFR112.20-5]

[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. 112.20-5  Failure of power from the normal source or final emergency power source.

    (a) If there is a reduction of potential of the normal source by 15 
to 40 percent, the loads under Sec. 112.15-1 must be automatically 
supplied from the temporary emergency power source.
    (b) For systems in which a reduction of frequency of the normal 
source or final emergency power source adversely affects the emergency 
system and emergency loads, there must be means to transfer the loads 
under Sec. 112.15-1 to the temporary emergency power source upon a 
reduction in the frequency of the normal source or final emergency power 
source.