Most smart switches require a neutral wire, which lets your smart light switch stay powered up and linked to Wi-Fi all of the time. Should your home was constructed before 1985 (and also the wiring hasn’t been updated), you may perhaps absence that important wire. If that’s the case, then https://beckettefbdt.digiblogbox.com/59399004/smart-power-points-and-switches-no-further-a-mystery