30 CFR 75.519 - Main power circuits; disconnecting switches.

Code of Federal Regulations - Title 30: Mineral Resources

Updated to: December 30, 2005

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TITLE 30 - MINERAL RESOURCES

CHAPTER I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

SUBCHAPTER O - COAL MINE SAFETY AND HEALTH

PART 75 - MANDATORY SAFETY STANDARDS - UNDERGROUND COAL MINES

subpart f - ELECTRICAL EQUIPMENT - GENERAL

75.519 - Main power circuits; disconnecting switches.

[Statutory Provision] In all main power circuits, disconnecting switches shall be installed underground within 500 feet of the bottoms of shafts and boreholes through which main power circuits enter the underground area of the mine and within 500 feet of all other places where main power circuits enter the underground area of the mine.