IEC60320标准就是家用器具上的耦合器标准，以下是相关原文，定义的那一章里的。

appliance coupler means enabling the connection and disconnection at will, of a cord to an appliance or otherequipment. It consists of two parts: a connector and an appliance inlet

connector

part of the appliance coupler integral with, or intended to be attached to, the cord connected tothe supply NOTE Only one cord is connected to the connector.

appliance inlet

part of the appliance coupler integrated or incorporated in the appliance or equipment or intended to be fixed to it NOTE 1 An appliance inlet integrated in an appliance or equipment is an appliance inlet (the shroud and base of)which is formed by the housing of the appliance or equipment. NOTE 2 An appliance inlet incorporated in an appliance or an equipment is a separate appliance inlet built in orfixed to an appliance or equipment.