Class I, Division 2
Intrinsically Safe Lights
These flashlights can be used in areas where an ignitable concentration of flammable gases, vapours or liquids exist only under abnormal operating conditions.
Such gases in this Instrinsically Safe light classification include:
Acetylene, butadiene, ethylene oxide, hydrogen, carbon monoxide, ethyl sulfide, hydrogen sulfide, acetone, ammonia, gasoline, and ethanol.