Hi

I make an additional contribution to the standards:

IEC 60079-2 Ed 5 2007- Electrical apparatus for explosive gas atmospheres - Pressurized enclosures 'p'P (Last Version)
link--->

[link Point to another website Only the registered members can access]
and

also found something on the update of the standard IEC 60079-1 Ed 7 2012, but not official, but I want to share
IEC 60079-1 Ed 7 2012 - Electrical apparatus for explosive gas atmospheres, flameproof
enclosures (d)
link--->

[link Point to another website Only the registered members can access]
thankz and regards