[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR111.05-15] [Page 217] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 111--ELECTRIC SYSTEMS--GENERAL REQUIREMENTS--Table of Contents Subpart 111.05--Equipment Ground, Ground Detection, and Grounded Systems Sec. 111.05-15 Neutral grounding. (a) Each propulsion, power, lighting, or distribution system having a neutral bus or conductor must have the neutral grounded. (b) The neutral of a dual-voltage system must be solidly grounded at the generator switchboard.