Subpart D—Machines Assembled With Certified or Explosion-Proof Components, Field Modifications of Approved Machines, and Permits To Use Experimental Equipment
Contents
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18.80
§ 18.80 Approval of machines assembled with certified or explosion-proof components. -
18.81
§ 18.81 Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification. -
18.82
§ 18.82 Permit to use experimental electric face equipment in a gassy mine or tunnel. -
Appendix I to Subpart D of Part 18
Appendix I to Subpart D of Part 18 -
Appendix II to Subpart D of Part 18
Appendix II to Subpart D of Part 18