The UK has released a new version of the household plug and socket series standard BS 1363-X:2023, which will officially replace the previous version BS 1363-X:2016+A1:2018 on June 30, 2026.
New standard updates
Compared with the old version, the new BS 1363-X: 2023 series of standards has made the following important technical updates:
The unified changes of the series standard BS 1363-X(1-5): 2023 include:
The rated frequency parameters cover 50Hz and 60Hz
The copper content of current-carrying parts is at least 58%
In the insulation resistance and withstand voltage tests, it is allowed to disconnect the indicator lights and built-in electronic components for testing.
New requirements for the breaking operating force test of double-break switches are added, and three different state samples need to be considered for testing.
Instructions for the single static position requirements of push button switches are added.
BS 1363-1:2023
Special changes to BS 1363-1:2023:
The rated voltage of built-in electronic switch plugs is allowed to be 230V, 240V or 250V
New requirements for creepage and electrical clearance between fuses and fuse clips and plug mating surfaces
Non-replaceable plugs are required to be tested with the maximum rated fuse that can be used for the corresponding wire diameter during overload testing, and replaceable plugs are tested with 13A fuses.
Added Appendix B to recommend plug test requirements for direct plug products.
Special changes to BS 1363-2:2023:
Added requirements for sockets with device circuit breakers
Added the definition and test requirements for independently protected sockets (IPS)
Socket switches shall not be used for electronic components other than switch indicator lights
Modified the clearance requirements in the installation box of concealed sockets
Switches in sockets that comply with BS EN IEC 61058:2018 or BS EN 60669-1:2018 do not need to repeat the normal operation test.
Modify the requirements for sockets with electronic components in the annex. Add abnormal condition testing and energy efficiency requirements for USB circuits for charging portable devices.
Add Appendix I to recommend random testing requirements for sockets for devices.
BS 1363-3:2023 Special changes:
Added restrictions on the number of sockets on the same plane
Modify the provisions for converter rated current parameters.