DIN EN 60079-14:2009 Explosive atmospheres - Part 14: Electrical installations design, selection and erection (IEC 60079-14:2007); German version EN 60079-14:2008
2014DIN EN 60079-14:2014 Explosive atmospheres - Part 14: Electrical installations design, selection and erection (IEC 60079-14:2013); German version EN 60079-14:2014
2009DIN EN 60079-14:2009 Explosive atmospheres - Part 14: Electrical installations design, selection and erection (IEC 60079-14:2007); German version EN 60079-14:2008