IEC 60884-3-1:2021 applies to fixed or portable socket-outlets for AC only, with or without earthing contact, with a rated voltage greater than 50 V but not exceeding 440 V and a rated current not exceeding 32 A, intended for household and similar purposes, either indoors or outdoors, incorporating USB power supply.
This document defines the safety and EMC requirements for socket-outlets incorporating USB power supply.
Specifications, performance and dimensional requirements of the USB technologies are not covered by this document; they are defined in the relevant part(s) of IEC 62680.