30 C.F.R. § 75.504 Permissibility of new, replacement, used, reconditioned, additional, and rebuilt electric face equipment.
Title 30 - Mineral Resources
On and after March 30, 1971, all new, replacement, used, reconditioned, and additional electric face equipment used in any mine referred to in §§75.500, 75.501, and 75.503 shall be permissible and shall be maintained in a permissible condition, and in the event of any major overhaul of any item of electric face equipment in use on or after March 30, 1971, such equipment shall be put in, and thereafter maintained in, a permissible condition, unless in the opinion of the Secretary, such equipment or necessary replacement parts are not available. [38 FR 4975, Feb. 23, 1973]
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart F—Electrical Equipment—General
§ 75.504 Permissibility of new, replacement, used, reconditioned, additional, and rebuilt electric face equipment.
