[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: 46CFR111.05-17]



[Page 215]

 

                            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 111.05_Equipment Ground, Ground Detection, and Grounded Systems

 

Sec.  111.05-17  Generation and distribution system grounding.



    The neutral of each grounded generation and distribution system 

must:

    (a) Be grounded at the generator switchboard, except the neutral of 

an emergency power generation system must be grounded with:

    (1) No direct ground connection at the emergency switchboard;

    (2) The neutral bus permanently connected to the neutral bus on the 

main switchboard; and

    (3) No switch, circuit breaker, or fuse in the neutral conductor of 

the bus-tie feeder connecting the emergency switchboard to the main 

switchboard; and

    (b) Have the ground connection accessible for checking the 

insulation resistance of the generator to ground before the generator is 

connected to the bus.