30 CFR 77.503 - Electric conductors; capacity and insulation.

Regulations last checked for updates: May 02, 2025

Title 30 - Mineral Resources last revised: Apr 14, 2025

View all text of Subpart F [§ 77.500 - § 77.516]

§ 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.

authority: 30 U.S.C. 811.

source: 36 FR 9364, May 22, 1971, unless otherwise noted.

cite as: 30 CFR 77.503