[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: 46CFR183.372]

[Page 293]
 
                           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. 183.372  Equipment and conductor grounding.

    (a) All metallic enclosures and frames of electrical equipment must 
be permanently grounded to the hull on a metallic vessel. On a 
nonmetallic vessel, the enclosures and frames of electrical equipment 
must be bonded together to a common ground by a normally non-current 
carrying conductor. Metallic cases of instruments and secondary windings 
of instrument transformers must be grounded.
    (b) On a nonmetallic vessel, where a ground plate is provided for 
radio equipment, it must be connected to the common ground.
    (c) Equipment grounding conductors must be sized in accordance with 
Section 250-95 of the NEC (NFPA 70), or other standard specified by the 
Commandant.
    (d) Each insulated grounding conductor of a cable must be identified 
by one of the following means:
    (1) A green braid or green insulation;
    (2) Stripping the insulation from the entire exposed length of the 
grounding conductor; or
    (3) Marking the exposed insulation of the grounding conductor with 
green tape or green adhesive labels.
    (e) Cable armor must not be used to ground electrical equipment or 
systems.