This part of IEC 60079 contains specific requirements for the construction and testing of
electrical equipment with the type of protection flameproof enclosure “d”, intended for use in
explosive gas atmospheres.
This standard supplements and modifies the general requirements of IEC 60079-0. Where a
requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of
this standard will take precedence.
NOTE Equipment protection by flameproof enclosures “d” provides Equipment Protection Level (EPL) Gb. For further
information, see Annex G.