[Code of Federal Regulations] [Title 49, Volume 4] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR229.83] [Page 317] TITLE 49--TRANSPORTATION CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 229--RAILROAD LOCOMOTIVE SAFETY STANDARDS--Table of Contents Subpart C--Safety Requirements Sec. 229.83 Insulation or grounding of metal parts. All unguarded noncurrent-carrying metal parts subject to becoming charged shall be grounded or thoroughly insulated.