30 C.F.R. § 28.3 Installation, use, and maintenance of approved fuses.
Title 30 - Mineral Resources
Approved fuses shall be installed and maintained in accordance with the specifications prescribed by the manufacturer of the fuses, and shall be selected and used in accordance with the standards prescribed for short-circuit protective devices for trailing cables in Parts 75 and 77, Subchapter O of this chapter.
Title 30: Mineral Resources
PART 28—FUSES FOR USE WITH DIRECT CURRENT IN PROVIDING SHORT-CIRCUIT PROTECTION FOR TRAILING CABLES IN COAL MINES
Subpart A—General Provisions
§ 28.3 Installation, use, and maintenance of approved fuses.