Replaced
Prescribes requirements for the spark-test apparatus for the testing of electrical apparatus and electrical systems with type of protection 'i' for intrinsically-safe circuits.
WITHDRAWN
IEC 60079-3:1972 ED2
WITHDRAWN
IEC 60079-3:1990 ED3
99.60
Withdrawal effective
Feb 15, 1999
WITHDRAWN
IEC 60079-11:1999 ED4