30 C.F.R. § 75.514 Electrical connections or splices; suitability.
Title 30 - Mineral Resources
[Statutory Provision] All electrical connections or splices in conductors shall be mechanically and electrically efficient, and suitable connectors shall be used. All electrical connections or splices in insulated wire shall be reinsulated at least to the same degree of protection as the remainder of the wire.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart F—Electrical Equipment—General
§ 75.514 Electrical connections or splices; suitability.

