As for wired smart switches, these require a standard understanding of home electrics. You’ll need to have to turn off the power within the fuse box, then take out your previous switch, detach the wires and match them to the smart switch. For example, the BS 1363 plug is Employed https://smart-power-points86418.blogzet.com/considerations-to-know-about-smart-power-points-and-switches-49594592