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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 30 - Mineral Resources |
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Chapter I - Mine Safety and Health Administration, Department of Labor |
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SubChapter O - Coal Mine Safety and Health |
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Part 77 - Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines |
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Subpart F - Electrical Equipment - General |
| § 77.500 - Electric power circuits and electric equipment; deenergization. |
| § 77.501 - Electric distribution circuits and equipment; repair. |
| § 77.502 - Electric equipment; examination, testing, and maintenance. |
| § 77.503 - Electric conductors; capacity and insulation. |
| § 77.504 - Electrical connections or splices; suitability. |
| § 77.505 - Cable fittings; suitability. |
| § 77.506 - Electric equipment and circuits; overload and short-circuit protection. |
| § 77.507 - Electric equipment; switches. |
| § 77.508 - Lightning arresters, ungrounded and exposed power conductors and telephone wires. |
| § 77.509 - Transformers; installation and guarding. |
| § 77.510 - Resistors; location and guarding. |
| § 77.511 - Danger signs at electrical installations. |
| § 77.512 - Inspection and cover plates. |
| § 77.513 - Insulating mats at power switches. |
| § 77.514 - Switchboards; passageways and clearance. |
| § 77.515 - Bare signal or control wires; voltage. |
| § 77.516 - Electric wiring and equipment; installation and maintenance. |
| § 77.501-1 - Qualified person. |
| § 77.502-1 - Qualified person. |
| § 77.502-2 - Electric equipment; frequency of examination and testing. |
| § 77.503-1 - Electric conductors. |
| § 77.506-1 - Electric equipment and circuits; overload and short circuit protection; minimum requirements. |
| § 77.508-1 - Lightning arresters; wires entering buildings. |