Code of Federal Regulations
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30 CFR Mineral Resources
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I Mine Safety and Health ...
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O Coal Mine Safety and He...
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75 Mandatory Safety Stand...
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Subpart I —
Underground High-Voltage Distribution
§75.800 —
High-voltage circuits; circuit breakers
§75.800-1 —
Circuit breakers; location
§75.800-2 —
Approved circuit schemes
§75.800-3 —
Testing, examination and maintenance of circuit breakers; procedures
§75.800-4 —
Testing, examination, and maintenance of circuit breakers; record
§75.801 —
Grounding resistors
§75.802 —
Protection of high-voltage circuits extending underground
§75.803 —
Fail safe ground check circuits on high-voltage resistance grounded systems
§75.803-1 —
Maximum voltage ground check circuits
§75.803-2 —
Ground check systems not employing pilot check wires; approval by the Secretary
§75.804 —
Underground high-voltage cables
§75.805 —
Couplers
§75.806 —
Connection of single-phase loads
§75.807 —
Installation of high-voltage transmission cables
§75.808 —
Disconnecting devices
§75.809 —
Identification of circuit breakers and disconnecting switches
§75.810 —
High-voltage trailing cables; splices
§75.811 —
High-voltage underground equipment; grounding
§75.812 —
Movement of high-voltage power centers and portable transformers; permit
§75.812-1 —
Qualified person
§75.812-2 —
High-voltage power centers and transformers; record of examination
§75.813 —
High-voltage longwalls; scope
§75.814 —
Electrical protection
§75.815 —
Disconnect devices
§75.816 —
Guarding of cables
§75.817 —
Cable handling and support systems
§75.818 —
Use of insulated cable handling equipment
§75.819 —
Motor-starter enclosures; barriers and interlocks
§75.820 —
Electrical work; troubleshooting and testing
§75.821 —
Testing, examination and maintenance
§75.822 —
Underground high-voltage longwall cables
§75.823 —
Scope
§75.824 —
Electrical protection
§75.825 —
Power centers
§75.826 —
High-voltage trailing cables
§75.827 —
Guarding of trailing cables
§75.828 —
Trailing cable pulling
§75.829 —
Tramming continuous mining machines in and out of the mine and from section to section
§75.830 —
Splicing and repair of trailing cables
§75.831 —
Electrical work; troubleshooting and testing
§75.832 —
Frequency of examinations; recordkeeping
§75.833 —
Handling high-voltage trailing cables
§75.834 —
Training
Appendix A
to Subpart I of Part 75 — Diagrams of Inby and Outby Switching