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Electrical apparatus for explosive gas atmospheres - General requirements Ingestion-build-63114 there is a set ofElectrical apparatus for explosive gas atmospheres Part 0: General requirements Executive summary General requirements for the construction, testing and marking of electrical apparatus for use in explosive gas atmospheres. Abstract This part of IEC 60079 specifies the general requirements for the construction, testing and marking of electrical apparatus and Ex components intended for use in explosive gas atmospheres. Electrical apparatus conforming to