U.S. Code
Regulations
Constitution
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
x
Search
Search guide
U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 30
Chapter I
Part 18
Subpart D - Subpart D—Machines Assembled With Certified or Explosion-Proof Components, Field Modifications of Approved Machines, and Permits To Use Experimental Equipment
§ 18.80 - Approval of machines assembled with certified or explosion-proof components.
§ 18.81 - Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification.
§ 18.82 - Permit to use experimental electric face equipment in a gassy mine or tunnel.
Appendix Appendix I - Appendix I to Subpart D of Part 18
Appendix Appendix II - Appendix II to Subpart D of Part 18
Download the GovRegs app!
