30 C.F.R. § 77.501
Electric distribution circuits and equipment; repair
No electrical work shall be performed on electric distribution circuits or equipment, except by a qualified person or by a person trained to perform electrical work and to maintain electrical equipment under the direct supervision of a qualified person. Disconnecting devices shall be locked out and suitably tagged by the persons who perform such work, except that in cases where locking out is not possible, such devices shall be opened and suitably tagged by such persons. Locks or tags shall be removed only by the persons who installed them or, if such persons are unavailable, by persons authorized by the operator or his agent.
Notes of Decisions
Cited in 2
cases, 1985–1990 · leading case: Otis Elevator Co. v. Sec'y of Labor & Fed. Mine Saf. & Health Review Comm'n, 921 F.2d 1285 (D.C. Cir. 1990).
Otis Elevator Co. v. Sec'y of Labor & Fed. Mine Saf. & Health Review Comm'n, 921 F.2d 1285 (D.C. Cir. 1990). “The MSHA inspector at the BethEn-ergy Corporation elevator concluded that Otis employees, by performing electrical work without the supervision of a qualified mine electrician and by failing to tag the power switch they had shut off and locked, twice violated 30 C.F.R. § 77.501…”
Old Dominion Power Co. v. Donovan, 772 F.2d 92 (4th Cir. 1985). “30 C.F.R. § 77.501 . OSHA — allows use of a system of tags to assure against accidental re-energization of equipment on which work is being performed.”
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