Explosive atmospheres - Part 35-2: Caplights for use in mines susceptible to firedamp - Performance and other safety-related matters (IEC 60079-35-2:2011) (english version)
Explosive atmospheres - Part 35-1: Caplights for use in mines susceptible to firedamp - General requirements - Construction and testing in relation to the risk of explosion— 38 стр.
Explosive atmospheres. Caplights for use in mines susceptible to firedamp. General requirements. Construction and testing in relation to the risk of explosion— 24 стр.