EN 60079-26:2004 Electrical apparatus for explosive gas atmospheres Part 26: Construction@ test and marking of Group II Category 1 G electrical apparatus
2015EN 60079-26:2015 Explosive atmospheres - Part 26: Equipment with Equipment Protection Level (EPL) Ga
2007EN 60079-26:2007 Explosive atmospheres - Part 26: Equipment with equipment protection level (EPL) Ga
2004EN 60079-26:2004 Electrical apparatus for explosive gas atmospheres Part 26: Construction@ test and marking of Group II Category 1 G electrical apparatus