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 75 - Mandatory Safety Standards—Underground Coal Mines
  6. Subpart F - Electrical Equipment—General
  7. 30 CFR § 75.509
30 CFR § 75.509
Electric power circuit and electric equipment; deenergization
May 28, 2026
CFR
Editorial Note on Part 75

Editorial Note:

The provisions of this part marked [Statutory Provision] appear in Title III of the Federal Coal Mine Health and Safety Act of 1969.

§ 75.509 Electric power circuit and electric equipment; deenergization.

[Statutory Provisions]

All power circuits and electric equipment shall be deenergized before work is done on such circuits and equipment, except when necessary for trouble shooting or testing.

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§ 75.508-2 Changes in electric system map; recording
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§ 75.510 Energized trolley wires; repair

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