This clause of IEC 60320-1 is replaced as follows: This part of IEC 60320 is applicable to special purpose appliance couplers for household sewing machines. These sewing machine couplers are for alternating current only and have a rated voltage not exceeding 250 V and a rated current not exceeding 2,5 A. The sewing machine couplers can include two or more contacts depending on the control components or circuitry required to operate the sewing machine and can be with or without earthing contact.
IEC 60320-2-1:2018 Referenced Document
IEC 60320-1:2015 Appliance couplers for household and similar general purposes - Part 1: General requirements
IEC 60320-2-1:2018 history
2018IEC 60320-2-1:2018 Appliance couplers for household and similar general purposes - Part 2-1: Sewing machine couplers
2000IEC 60320-2-1:2000 Appliance couplers for household and similar general purposes - Part 2-1: Sewing machine couplers
1984IEC 60320-2-1:1984 Appliance couplers for household and similar general purposes. Part 2 : Sewing machine couplers