30 CFR Part 57Public Domain
§ 57.4502 — Battery-charging stations
Subpart C — Fire Prevention and Control
(a)Battery-charging stations shall be ventilated with a sufficient volume of air to prevent the accumulation of hydrogen gas.
(b)Smoking, use of open flames, or other activities that could create an ignition source shall be prohibited at the battery charging station during battery charging.
(c)Readily visible signs prohibiting smoking or open flames shall be posted at battery-charging stations during battery charging.
Public Domain: 30 CFR Part 57 (MSHA Safety and Health Standards — Underground Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.