30 C.F.R. § 75.518-2 Incandescent lamps, overload and short circuit protection.
Title 30 - Mineral Resources
Incandescent lamps installed along haulageways and at other locations, not contacting combustible material, and powered from trolley or direct current feeder circuits, need not be provided with separate short circuit or overload protection, if the lamp is not more than 8 feet in distance from such circuits.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart F—Electrical Equipment—General
§ 75.518-2 Incandescent lamps, overload and short circuit protection.
