StacksVerified U.S. regulatory reference

30 CFR §77.601

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Temporary splices in trailing cables or portable cables shall be made in a workmanlike manner and shall be mechanically strong and well insulated. Trailing cables or portable cables with exposed wires or splices that heat or spark under load shall not be used.