BS 6881 1988 Edition, January 29, 1988
Specification for Construction and Testing of Miners' Caplamps in Relation to the Risk of Explosion, for Mines Susceptible to Firedamp
Additional Comments: W/D S/S BY EN 50033
Published By:British Standards Institution (BSI)
Comprise of a headpiece, connecting cable and rechargeable cells in a battery container and are intended to minimise the risk of an explosion of the surrounding atmosphere in mines susceptible to firedamp.