IEC 60884-3-1:2021 Plugs and socket-outlets for household and similar purposes - Part 3-1: Particular requirements for socket-outlets incorporating USB power supply
IEC 60884-1:-, Clause 1 is applicable except as follows: Replace the first paragraph by the following: This part of IEC 60884 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
IEC 60884-3-1:2021 history
2021IEC 60884-3-1:2021 Plugs and socket-outlets for household and similar purposes - Part 3-1: Particular requirements for socket-outlets incorporating USB power supply