Daily eCFR

Subpart D—Machines Assembled With Certified or Explosion-Proof Components, Field Modifications of Approved Machines, and Permits To Use Experimental Equipment

Machines Assembled With Certified or Explosion-Proof Components, Field Modifications of Approved Machines, and Permits To Use Experimental Equipment

ContainsSections 18.80–18.82; Appendices I–II

CorpusDaily eCFR

Displayed edition2026-04-15

Last updated2026-04-15

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

Contents