Historical
IECEX 60079-11 Ed. 4.0 en:2002
Assessment and Test Report (ATR) for IEC 60079-11 (1999) - electrical apparatus for explosive gas atmospheres Part 11: Intrinsic safety 'i' (Please note: ATR60079-11 1999 (ed 4.0) is a modified format of previously issued ATRs and is for use on a trial basis. Should you have any comments or questions relating to this modified format please do not hesitate to contact the IECEx Secretariat at [email protected] )
International Electrotechnical Commission [iec]