SUBPART F—Electrical Equipment—General (§75.500 to §75.524)
- 75.500—Permissible electric equipment.
- 75.500-1—Other low horsepower electric face equipment.
- 75.501—Permissible electric face equipment; coal seams above water table.
- 75.501-1—Coal seams above the water table.
- 75.501-2—Permissible electric face equipment.
- 75.501-3—New openings; mines above water table and never classed gassy.
- 75.502—Permits for noncompliance.
- 75.503—Permissible electric face equipment; maintenance.
- 75.503-1—Statement listing all electric face equipment.
- 75.504—Permissibility of new, replacement, used, reconditioned, additional, and rebuilt electric face equipment.
- 75.505—Mines classed gassy; use and maintenance of permissible electric face equipment.
- 75.506—Electric face equipment; requirements for permissibility.
- 75.506-1—Electric face equipment; permissible condition; maintenance requirements.
- 75.507—Power connection points.
- 75.507-1—Electric equipment other than power-connection points; outby the last open crosscut; return air; permissibility requirements.
- 75.508—Map of electrical system.
- 75.508-1—Mine tracks.
- 75.508-2—Changes in electric system map; recording.
- 75.509—Electric power circuit and electric equipment; deenergization.
- 75.510—Energized trolley wires; repair.
- 75.510-1—Repair of energized trolley wires; training.
- 75.511—Low-, medium-, or high-voltage distribution circuits and equipment; repair.
- 75.511-1—Qualified person.
- 75.512—Electric equipment; examination, testing and maintenance.
- 75.512-1—Qualified person.
- 75.512-2—Frequency of examinations.
- 75.513—Electric conductor; capacity and insulation.
- 75.513-1—Electric conductor; size.
- 75.514—Electrical connections or splices; suitability.
- 75.515—Cable fittings; suitability.
- 75.516—Power wires; support.
- 75.516-1—Installed insulators.
- 75.516-2—Communication wires and cables; installation; insulation; support.
- 75.517—Power wires and cables; insulation and protection.
- 75.517-1—Power wires and cables; insulation and protection.
- 75.517-2—Plans for insulation of existing bare power wires and cables.
- 75.518—Electric equipment and circuits; overload and short circuit protection.
- 75.518-1—Electric equipment and circuits; overload and short circuit protection; minimum requirements.
- 75.518-2—Incandescent lamps, overload and short circuit protection.
- 75.519—Main power circuits; disconnecting switches.
- 75.519-1—Main power circuits; disconnecting switches; locations.
- 75.520—Electric equipment; switches.
- 75.521—Lightning arresters; ungrounded and exposed power conductors and telephone wires.
- 75.522—Lighting devices.
- 75.522-1—Incandescent and fluorescent lamps.
- 75.523—Electric face equipment; deenergization.
- 75.523-1—Deenergization of self-propelled electric face equipment installation requirements.
- 75.523-2—Deenergization of self-propelled electric face equipment; performance requirements.
- 75.523-3—Automatic emergency-parking brakes.
- 75.524—Electric face equipment; electric equipment used in return air outby the last open crosscut; maximum level of alternating or direct electric current between frames of equipment.