The red wire will likely be a secondary very hot wire. Over a smart switch, the purple wire typically connects to your switch leg to control a light or other load. In just an electrical box, a purple wire could be a traveler, a switch leg or the next very https://andersonggcwq.blog-mall.com/35400283/how-much-you-need-to-expect-you-ll-pay-for-a-good-smart-switches-australia