Revised
IEC 60056-2:1955 ED2
IEC 60056-2:1971 ED3
IEC 60056-2:1971/AMD3:1977 ED3
IEC 60056-2:1971/AMD1:1972 ED3
IEC 60056-2:1971/AMD4:1981 ED3
IEC 60056-2:1971/AMD2:1975 ED3
Published
IEC 60684-2:2025 RLV
IEC 60684-2:2025 ED4