2012BS EN 60079-0:2012 Explosive atmospheres. Equipment. General requirements
2009BS EN 60079-0:2009 Explosive atmospheres. Equipment. General requirements
2007BS EN 61241-0:2006 Electrical apparatus for use in the presence of combustible dust - Part 0: 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