30 C.F.R. § 18.92 Quality of material and design.
Title 30 - Mineral Resources
(a) Electrically operated machinery approved under the provisions of this subpart E shall be rugged in construction and shall be designed to facilitate maintenance and inspection. (b) MSHA shall conduct field investigations and, where necessary, field test electric machinery only where such machinery is found to be constructed of suitable materials and safe for its intended use.
Title 30: Mineral Resources
PART 18—ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES
Subpart E—Field Approval of Electrically Operated Mining Equipment
§ 18.92 Quality of material and design.
