Historical
IEC 60079-0 Ed. 3.1 b:2000
Electrical apparatus for explosive gas atmospheres - Part 0: General requirements
Specifies the general requirements for construction, testing and marking of electrical apparatus, Ex cable entries and Ex components, intended for use in potentially explosive atmospheres of gas, vapour and mist. This standard does not specify requirements for safety, other than those directly related to the explosion risk.
International Electrotechnical Commission [iec]