[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: 46CFR111.51-3]



[Page 229]

 

                            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 111.51_Coordination of Overcurrent Protective Devices

 

Sec.  111.51-3  Protection of vital equipment.



    (a) The coordination of overcurrent protective devices must be 

demonstrated for all potential plant configurations.

    (b)Overcurrent protective devices must be installed so that:

    (1) A short-circuit on a circuit that is not vital to the 

propulsion, control, or safety of the vessel does not trip equipment 

that is vital; and

    (2) A short-circuit on a circuit that is vital to the propulsion, 

control, or safety of the vessel is cleared only by the protective 

device that is closest to the point of the short-circuit.



[CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94-108, 62 FR 

23908, May 1, 1997]