[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: 46CFR183.378] [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. 183.378 Ungrounded systems. Each ungrounded system must be provided with a suitably sensitive ground detection system located at the respective switchboard that provides continuous indication of circuit status to ground with a provision to momentarily remove the indicating device from the reference ground. [CGD 85-080, 62 FR 51358, Sept. 30, 1997]