Check out this post for an answer. https://community.tp-link.com/us/home/forum/topic/165992 Ryan

@jimhurst53 I wonder if lights on/off is a reserved word.... like its trying to do something else when you do that.

@Tony That would only work if you turned on tbr group from the app itself. It would not work if you turned on the switch manually. What he could do is set up a smart action. When one light is...

@JKH Id like to know what you set up. What equipment? Ryan

I've never seen that. Learn something new every day. With the HS200 you have 2 blacks, 1 white and a green. How do you wire it up in the scenario you mentioned above? Ryan

Two black wires are required for an HS200