Most smart switches need a neutral wire, which lets your smart light switch keep powered up and connected to Wi-Fi always. If your home was built prior to 1985 (along with the wiring hasn’t been up-to-date), you might absence that essential wire. If that’s the case, then I like to https://trentoncbvsm.qowap.com/93928708/wiring-systems-things-to-know-before-you-buy