@Wayne-TP Wayne-TP wrote @DrGreencock88 The two black wires on the HS200 switch, the load and line wires, shouldn't be twisted together. Instead, they should be connected separately to the load and...

I had already installed one of the HS200 in another location and it works perfectly fine. Now I put one in where the only wires coming in to the box are one white, and one black. The previous toggle...