IEC 60079-31 pdf download Explosive atmospheres – Part 31: Equipment dust ignition protection by enclosure “t” 1 Scope This part of lEC 60079 is applicable to electrical equipment protected by enclosure andsurface temperature limitation for use in explosive dust’atmospheres. lt specifiesrequirements for design,construction and testing of electrical equipment. This standard supplements and modifies the general requirements of lEC 60079-0. Where...