§57.22310. Electrical cables (I-C mines).
30 C.F.R. § 57.22310
Electrical cables used to power submersible sump pumps shall be accepted or approved by MSHA as flame resistant, or be installed in continuous metal conduit or metal pipe. The ends of such conduit or pipe shall be sealed to prevent entry of explosive gas or dust.
Notes, amendments, and revision history
Amendments
[57 FR 61223, Dec. 23, 1992]
Authority
Authority: 30 U.S.C. 811.
Source
Source: 52 FR 24941, July 1, 1987, unless otherwise noted.
Authority
Authority: 30 U.S.C. 811.
Source
Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.
Amendments
[57 FR 61223, Dec. 23, 1992]