30 CFR § 77.506 Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines

§ 77.506 Electric equipment and circuits; overload and short-circuit protection.

Current through Jul 27, 2026 · Read all of Part 77

Automatic circuit-breaking devices or fuses of the correct type and capacity shall be installed so as to protect all electric equipment and circuits against short circuit and overloads.

← § 77.505 Cable fittings; suitability.§ 77.506-1 Electric equipment and circuits; overload and short circuit protection; minimum requirements. →