GroundRules
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- 30 CFR 75.601-2 · -2 Short circuit protection; use of fuses; approval by the Secretary.
- 30 CFR 75.601-3 · -3 Short circuit protection; dual element fuses; current ratings; maximum values.
- 30 CFR 75.602 · Trailing cable junctions.
- 30 CFR 75.603 · Temporary splice of trailing cable.
- 30 CFR 75.604 · Permanent splicing of trailing cables.
- 30 CFR 75.605 · Clamping of trailing cables to equipment.
- 30 CFR 75.606 · Protection of trailing cables.
- 30 CFR 75.607 · Breaking trailing cable and power cable connections.
- 30 CFR 75.700 · Grounding metallic sheaths, armors, and conduits enclosing power conductors.
- 30 CFR 75.700-1 · -1 Approved methods of grounding.
- 30 CFR 75.701 · Grounding metallic frames, casings, and other enclosures of electric equipment.
- 30 CFR 75.701-1 · -1 Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.
- 30 CFR 75.701-2 · -2 Approved method of grounding metallic frames, casings and other enclosures receiving power from single-phase 110-220-volt circuit.
- 30 CFR 75.701-3 · -3 Approved methods of grounding metallic frames, casings and other enclosures of electric equipment receiving power from direct current power systems with one polarity grounded.
- 30 CFR 75.701-4 · -4 Grounding wires; capacity of wires.
- 30 CFR 75.701-5 · -5 Use of grounding connectors.
- 30 CFR 75.702 · Protection other than grounding.
- 30 CFR 75.702-1 · -1 Protection other than grounding; approved by an authorized representative of the Secretary.
- 30 CFR 75.703 · Grounding offtrack direct-current machines and the enclosures of related detached components.
- 30 CFR 75.703-1 · -1 Approved method of grounding.
- 30 CFR 75.703-2 · -2 Approved grounding mediums.
- 30 CFR 75.703-3 · -3 Approved methods of grounding offtrack mobile, portable and stationary direct-current machines.
- 30 CFR 75.703-4 · -4 Other methods of protecting offtrack direct-current equipment; approved by an authorized representative of the Secretary.
- 30 CFR 75.704 · Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems.
- 30 CFR 75.704-1 · -1 Approved methods of grounding.
- 30 CFR 75.705 · Work on high-voltage lines; deenergizing and grounding.
- 30 CFR 75.705-1 · -1 Work on high-voltage lines.
- 30 CFR 75.705-2 · -2 Repairs to energized surface high-voltage lines.
- 30 CFR 75.705-3 · -3 Work on energized high-voltage surface lines; reporting.
- 30 CFR 75.705-4 · -4 Simultaneous repairs.
- 30 CFR 75.705-5 · -5 Installation of protective equipment.
- 30 CFR 75.705-6 · -6 Protective clothing; use and inspection.
- 30 CFR 75.705-7 · -7 Protective equipment; inspection.
- 30 CFR 75.705-8 · -8 Protective equipment; testing and storage.
- 30 CFR 75.705-9 · -9 Operating disconnecting or cutout switches.
- 30 CFR 75.705-10 · -10 Tying into energized high-voltage surface circuits.
- 30 CFR 75.705-11 · -11 Use of grounded messenger wires; ungrounded systems.
- 30 CFR 75.706 · Deenergized underground power circuits; idle days—idle shifts.
- 30 CFR 75.800 · High-voltage circuits; circuit breakers.
- 30 CFR 75.800-1 · -1 Circuit breakers; location.
- 30 CFR 75.800-2 · -2 Approved circuit schemes.
- 30 CFR 75.800-3 · -3 Testing, examination and maintenance of circuit breakers; procedures.
- 30 CFR 75.800-4 · -4 Testing, examination, and maintenance of circuit breakers; record.
- 30 CFR 75.801 · Grounding resistors.
- 30 CFR 75.802 · Protection of high-voltage circuits extending underground.
- 30 CFR 75.803 · Fail safe ground check circuits on high-voltage resistance grounded systems.
- 30 CFR 75.803-1 · -1 Maximum voltage ground check circuits.
- 30 CFR 75.803-2 · -2 Ground check systems not employing pilot check wires; approval by the Secretary.
- 30 CFR 75.804 · Underground high-voltage cables.
- 30 CFR 75.805 · Couplers.
- 30 CFR 75.806 · Connection of single-phase loads.
- 30 CFR 75.807 · Installation of high-voltage transmission cables.
- 30 CFR 75.808 · Disconnecting devices.
- 30 CFR 75.809 · Identification of circuit breakers and disconnecting switches.
- 30 CFR 75.810 · High-voltage trailing cables; splices.
- 30 CFR 75.811 · High-voltage underground equipment; grounding.
- 30 CFR 75.812 · Movement of high-voltage power centers and portable transformers; permit.
- 30 CFR 75.812-1 · -1 Qualified person.
- 30 CFR 75.812-2 · -2 High-voltage power centers and transformers; record of examination.
- 30 CFR 75.813 · High-voltage longwalls; scope.
- 30 CFR 75.814 · Electrical protection.
- 30 CFR 75.815 · Disconnect devices.
- 30 CFR 75.816 · Guarding of cables.
- 30 CFR 75.817 · Cable handling and support systems.
- 30 CFR 75.818 · Use of insulated cable handling equipment.
- 30 CFR 75.819 · Motor-starter enclosures; barriers and interlocks.
- 30 CFR 75.820 · Electrical work; troubleshooting and testing.
- 30 CFR 75.821 · Testing, examination and maintenance.
- 30 CFR 75.822 · Underground high-voltage longwall cables.
- 30 CFR 75.823 · Scope.
- 30 CFR 75.824 · Electrical protection.
- 30 CFR 75.825 · Power centers.
- 30 CFR 75.826 · High-voltage trailing cables.
- 30 CFR 75.827 · Guarding of trailing cables.
- 30 CFR 75.828 · Trailing cable pulling.
- 30 CFR 75.829 · Tramming continuous mining machines in and out of the mine and from section to section.
- 30 CFR 75.830 · Splicing and repair of trailing cables.
- 30 CFR 75.831 · Electrical work; troubleshooting and testing.
- 30 CFR 75.832 · Frequency of examinations; recordkeeping.
- 30 CFR 75.833 · Handling high-voltage trailing cables.
- 30 CFR 75.834 · Training.
- 30 CFR Appendix A to Subpart I of Part 75 · Appendix A to Subpart I of Part 75—Diagrams of Inby and Outby Switching
- 30 CFR 75.900 · Low- and medium-voltage circuits serving three-phase alternating current equipment; circuit breakers.
- 30 CFR 75.900-1 · -1 Circuit breakers; location.
- 30 CFR 75.900-2 · -2 Approved circuit schemes.
- 30 CFR 75.900-3 · -3 Testing, examination, and maintenance of circuit breakers; procedures.
- 30 CFR 75.900-4 · -4 Testing, examination, and maintenance of circuit breakers; record.
- 30 CFR 75.901 · Protection of low- and medium-voltage three-phase circuits used underground.
- 30 CFR 75.902 · Low- and medium-voltage ground check monitor circuits.
- 30 CFR 75.902-1 · -1 Maximum voltage ground check circuits.
- 30 CFR 75.902-2 · -2 Approved ground check systems not employing pilot check wires.
- 30 CFR 75.902-4 · -4 Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
- 30 CFR 75.903 · Disconnecting devices.
- 30 CFR 75.904 · Identification of circuit breakers.
- 30 CFR 75.905 · Connection of single-phase loads.
- 30 CFR 75.906 · Trailing cables for mobile equipment, ground wires, and ground check wires.
- 30 CFR 75.907 · Design of trailing cables for medium-voltage circuits.
- 30 CFR Appendix A to Subpart J of Part 75 · Appendix A to Subpart J of Part 75
- 30 CFR 75.1000 · Cutout switches.
- 30 CFR 75.1001 · Overcurrent protection.