As for wired smart switches, these require a fundamental knowledge of home electrics. You’ll require to show off the power for the fuse box, then remove your old switch, detach the wires and match them to your smart switch. Such as, the BS 1363 plug is used in the uk, https://smartpowerpoint43974.blogginaway.com/35425321/little-known-facts-about-smart-switches-for-home