In order to answer the challenge of the global harmonization of the appliance coupler standard, the USA and Canada are adopting the IEC 60320 standard for device plugs with minor deviations. As a worldwide valid standard, the IEC 60320 appliance make it easy for both component and device manufacturers to evaluate guaranteed suitable sockets and plugs.
A worldwide valid standard to make devices and components from different regions work together
Therefore, the user can be sure that the plug from the European manufacturer A will also work without problems with the socket from the Asian supplier B. Beyond that the safety is examined against electrical impact just like against fire.