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  1. LII
  2. Electronic Code of Federal Regulations (e-CFR)
  3. Title 30 - Mineral Resources
  4. CHAPTER I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
  5. SUBCHAPTER O - COAL MINE SAFETY AND HEALTH
  6. PART 77 - MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
  7. Subpart I - Surface High-Voltage Distribution

30 CFR Subpart I - Surface High-Voltage Distribution

  • CFR
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  1. § 77.800 High-voltage circuits; circuit breakers.
  2. § 77.800-1 Testing, examination, and maintenance of circuit breakers; procedures.
  3. § 77.800-2 Testing, examination, and maintenance of circuit breakers; record.
  4. § 77.801 Grounding resistors.
  5. § 77.801-1 Grounding resistors; continuous current rating.
  6. § 77.802 Protection of high-voltage circuits; neutral grounding resistors; disconnecting devices.
  7. § 77.803 Fail safe ground check circuits on high-voltage resistance grounded systems.
  8. § 77.803-1 Fail safe ground check circuits; maximum voltage.
  9. § 77.803-2 Ground check systems not employing pilot check wires; approval by the Secretary.
  10. § 77.804 High-voltage trailing cables; minimum design requirements.
  11. § 77.805 Cable couplers and connection boxes; minimum design requirements.
  12. § 77.806 Connection of single-phase loads.
  13. § 77.807 Installation of high-voltage transmission cables.
  14. § 77.807-1 High-voltage powerlines; clearances above ground.
  15. § 77.807-2 Booms and masts; minimum distance from high-voltage lines.
  16. § 77.807-3 Movement of equipment; minimum distance from high-voltage lines.
  17. § 77.808 Disconnecting devices.
  18. § 77.809 Identification of circuit breakers and disconnecting switches.
  19. § 77.810 High-voltage equipment; grounding.
  20. § 77.811 Movement of portable substations and transformers.

The following state regulations pages link to this page.



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