30 CFR § 77.905 Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines

§ 77.905 Connection of single-phase loads.

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

Single-phase loads shall be connected phase-to-phase in resistance grounded systems.

← § 77.904 Identification of circuit breakers.§ 77.906 Trailing cables supplying power to low-voltage mobile equipment; ground wires and ground check wires. →