[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: 46CFR111.05-25] [Page 216] 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. 111.05-25 Ungrounded systems. Each ungrounded system must be provided with a suitably sensitive ground detection system located at the respective switchboard which provides continuous indication of circuit status to ground with a provision to momentarily remove the indicating device from the reference ground. [CGD 94-108, 61 FR 28276, June 4, 1996]