U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
Power wires and cables installed on or after March 30, 1970, shall have insulation with a dielectric strength at least equal to the voltage of the circuit.
Regulations most recently checked for updates: Aug 27, 2025
Power wires and cables installed on or after March 30, 1970, shall have insulation with a dielectric strength at least equal to the voltage of the circuit.