As for wired smart switches, these need a simple knowledge of home electrics. You’ll need to turn from the power for the fuse box, then clear away your previous switch, detach the wires and suit them into the smart switch. As an example, the BS 1363 plug is used in https://shaneotoka.sharebyblog.com/34634454/wiring-systems-things-to-know-before-you-buy