Revised
IEC 60335-2-56:1990 ED1
IEC 60335-2-56:1997 ED2
Withdrawn
IEC 60335-2-56:2002 ED3
IEC 60335-2-56:2002+AMD1:2008+AMD2:2014 CSV
IEC 60335-2-56:2002+AMD1:2008 CSV ED3.1