StacksVerified U.S. regulatory reference

30 CFR §77.504

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Electrical connections or splices in electric 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.