C.F.R. » Title 30 » CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR › SUBCHAPTER O—COAL MINE SAFETY AND HEALTH › PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES › Subpart J—Underground Low- and Medium-Voltage Alternating Current Circuits

30 C.F.R. § 75.902-1

Maximum voltage ground check circuits

Read at: eCFRecfr.gov CornellLII GovInfogovinfo.gov CasesGoogle Scholar

The maximum voltage used for such ground check circuits shall not exceed 40 volts.