30 C.F.R. § 75.819 Motor-starter enclosures; barriers and interlocks.
Title 30 - Mineral Resources
Compartment separation and cover interlock switches for motor-starter enclosures must be maintained in accordance with the approval requirements of paragraphs (a) and (b) of §18.53 of part 18 of this chapter.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart I—Underground High-Voltage Distribution
High-Voltage Longwalls
§ 75.819 Motor-starter enclosures; barriers and interlocks.
