Most smart switches need a neutral wire, which allows your smart light switch remain powered up and linked to Wi-Fi all of the time. When your home was constructed prior to 1985 (plus the wiring hasn’t been up to date), you might lack that crucial wire. If that’s the situation, https://p-hubsystem10752.angelinsblog.com/33905054/the-greatest-guide-to-smart-light-switch-white-clear-frame