30 C.F.R. § 77.702 Protection other than grounding.
Title 30 - Mineral Resources
Methods other than grounding which provide no less effective protection may be permitted by the Secretary or his authorized representative. Such methods may not be used unless so approved.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart H—Grounding
§ 77.702 Protection other than grounding.

