30 C.F.R. § 57.19017 Emergency braking for electric hoists.
Title 30 - Mineral Resources
Each electric hoist shall be equipped with a manually-operable switch that will initiate emergency braking action to bring the conveyance and the counterbalance safely to rest. This switch shall be located within reach of the hoistman in case the manual controls of the hoist fail.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Hoists
§ 57.19017 Emergency braking for electric hoists.