30 C.F.R. § 57.22501
Personal electric lamps (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines)
Electric lamps used for personal illumination shall be approved by MSHA under the requirements of 30 CFR parts 19 or 20, as applicable.
Electric lamps used for personal illumination shall be approved by MSHA under the requirements of 30 CFR parts 19 or 20, as applicable.