Historical
IEC 60320-1 Ed. 2.0 b:2001
Appliance couplers for household and similar general purposes - Part 1: General requirements
Applicable to two-pole appliance couplers for a.c. only, with and without earthing contact, with a rated voltage not exceeding 250 V and a rated current not exceeding 16 A.
International Electrotechnical Commission [iec]