PART 28—FUSES FOR USE WITH DIRECT CURRENT IN PROVIDING SHORT-CIRCUIT PROTECTION FOR TRAILING CABLES IN COAL MINES
- SUBPART A—General Provisions (§28.1 to §28.4)
- SUBPART B—Application for Approval (§28.10 to §28.10)
- SUBPART C—Approval and Disapproval (§28.20 to §28.25)
- SUBPART D—Quality Control (§28.30 to §28.33)
- SUBPART E—Construction, Performance, and Testing Requirements (§28.40 to §28.41)