2012BS EN 60079-0:2012 Explosive atmospheres. Equipment. General requirements
2009BS EN 60079-0:2009 Explosive atmospheres. Equipment. General requirements
2006BS EN 60079-0:2006 Electrical apparatus for explosive gas atmospheres - General requirements
2004BS EN 60079-0:2004 Electrical apparatus for explosive gas atmospheres - General requirements
1999BS EN 50281-1-1:1999 Electrical apparatus for use in the presence of combustible dust - Electrical apparatus protected by enclosures - Construction and testing
1998BS EN 50014:1998 Electrical apparatus for potentially explosive atmospheres - General requirements