Revised
IEC 60335-2-6:1982/AMD1:1984 ED2
IEC 60335-2-6:1982 ED2
IEC 60335-2-6:1986/AMD2:1990/COR1:1992
IEC 60335-2-6:1997 ED4
IEC 60335-2-6:1997/AMD2/COR1:1992