The crimson wire is usually a secondary hot wire. On a smart switch, the red wire usually connects towards the switch leg to regulate a light or other load. Inside an electrical box, a crimson wire may be a traveler, a switch leg or the second warm of a 240-volt https://smartswitchesaustralia03453.bcbloggers.com/33896678/top-latest-five-smart-power-points-and-switches-urban-news