"IEV 426-01-01" . "EXPLOSION PROOF APPARATUS - ELECTRICAL APPARATUS FOR EXPLOSIVE ATMOSPHERES - HAZARDOUS LOCATION EQUIPMENT" . "EXPLOSION-PROTECTED ELECTRICAL APPARATUS" . "u20683" . "mvsen" . . "RDS" . "An electrical apparatus constructed in such a way as not to produce an ignition of the surrounding explosive atmosphere, under specified conditions." . "2006.08.10" . "EXPLOSION-PROTECTED ELECTRICAL APPARATUS" . "RDS1090799" . "IEC 60079 standardizes this apparatus for explosive gas atmospheres." . "Recorded" .