30 CFR 77.503 - Electric conductors; capacity and insulation.

Code of Federal Regulations - Title 30: Mineral Resources

Updated to: December 30, 2005

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TITLE 30 - MINERAL RESOURCES

CHAPTER I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

SUBCHAPTER O - COAL MINE SAFETY AND HEALTH

PART 77 - MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES

subpart f - ELECTRICAL EQUIPMENT - GENERAL

77.503 - Electric conductors; capacity and insulation.

Electric conductors shall be sufficient in size and have adequate current carrying capacity and be of such construction that a rise in temperature resulting from normal operation will not damage the insulating materials.