Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 30 - Mineral Resources |
Chapter I - Mine Safety and Health Administration, Department of Labor |
SubChapter K - Metal and Nonmetal Mine Safety and Health |
Part 57 - Safety and Health Standards - Underground Metal and Nonmetal Mines |
Subpart K - Electricity |
Surface and Underground |
§ 57.12004 - Electrical conductors.
Latest version.
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§ 57.12004 Electrical conductors.
Electrical conductors shall be of a sufficient size and current-carrying capacity to ensure that a rise in temperature resulting from normal operations will not damage the insulating materials. Electrical conductors exposed to mechanical damage shall be protected.