This part of the lEC 60320 sets the dimensions for appliance couplers for two poles and two poles with earth contact - for the connection of electrical devices for household and similar onto the mains supply and - for the interconnection of the electrical supply to appliance or equipment - and dimensions for gauges.
DIN EN 60320-3/A1:2017 history
2021DIN EN 60320-3:2021 Appliance couplers for household and similar general purposes - Part 3: Standard sheets and gauges (IEC 60320-3:2014 + A1:2018); German version EN 60320-3:2014 + A1:2021
2017DIN EN 60320-3/A1:2017 Appliance couplers for household and similar general purposes - Part 3: Standard sheets and gauges (IEC 23G/384/CD:2017)
2015DIN EN 60320-3:2015 Appliance couplers for household and similar general purposes - Part 3: Standard sheets and gauges (IEC 60320-3:2014); German version EN 60320-3:2014