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(a) Stationary lights shall be provided during working hours of all shaft stations during such time that they are in actual use.
(b) All places where hoists, pumps, or other machinery is operating in the proximity of persons in the mine shall be so lighted that the moving parts of such machinery can be readily distinguished.
(c) Where practical, electric lights shall be used for all stationary lighting in the mine. Electric lights shall be kept at a safe distance from flammable materials.
(d) No open-flame light shall be left burning unattended on or near flammable materials.
(e) No gasoline, oil, or liquefied petroleum gases shall be taken underground for illuminating purposes.
This does not prohibit the use of permissible flame safety lamps in the mine.
(f) (17-10) Miner's individual electric cap lamps shall be carried for illumination by all persons underground.
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