1. LawStack
  2. Title 30 - Mineral Resources
  3. Chapter I - Mine Safety and Health Administration, Department of Labor
  4. Subchapter O - Coal Mine Safety and Health
  5. Part 77 - Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines
  6. Subpart J - Low- and Medium-Voltage Alternating Current Circuits
  7. 30 CFR § 77.903
30 CFR § 77.903
Disconnecting devices
May 28, 2026
CFR

§ 77.903 Disconnecting devices.

Disconnecting devices shall be installed in circuits supplying power to portable or mobile equipment and shall provide visual evidence that the power is disconnected.

Previous
§ 77.902-3 Attachment of ground conductors and ground check wires to equipment frames; use of separate connections
Next
§ 77.906 Trailing cables supplying power to low-voltage mobile equipment; ground wires and ground check wires

Tried the LawStack mobile app?

Join thousands and try LawStack mobile for FREE today.

  • Carry the law offline, wherever you go.
  • Download CFR, USC, rules, and state law to your mobile device.

Designed and built by Tekk Innovations LLC, the makers of the LawStack iPhone app or Android app.

© 2020 Tekk Innovations LLC