[Code of Federal Regulations]

[Title 46, Volume 4]

[Revised as of October 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 46CFR111.97-9]



[Page 243]

 

                            TITLE 46_SHIPPING



                  (This book contains parts 90 to 139)

 

   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)

 

PART 111_ELECTRIC SYSTEMS_GENERAL REQUIREMENTS--Table of Contents

 

     Subpart 111.97_Electric Power-Operated Watertight Door Systems

 

Sec.  111.97-9  Overcurrent protection.



    Overcurrent devices must be arranged to isolate a fault with as 

little disruption of the system as possible. The relationship between 

the load and the rating or setting of overcurrent devices must meet the 

following:

    (a) The rating or setting of each feeder overcurrent device must be 

not less than 200 percent of its maximum load.

    (b) The rating or setting of a branch circuit overcurrent device 

must be not more than 25 percent of that of the feeder overcurrent 

device.