@Kenzo40 Try reversing the black and red, on a HS220 that does mater where the powered lead goes.

@Tony Thanks for the info. I would think the circuitry in the 105 and 103 to be the same, just that the 105 has a higher rated relay contacts.

How many watts does the HS105 it self use when on? I have one connected to a UPS and would like to know so I can add it to the run time calculation.

@tward1 Your Welcome Glad to hear you got it working.

@tward1 The two blacks that are together stay together and connect to one of the blacks from the HS200. The red goes to the other black of the HS200. White goes together with the whites in the back...

@Chicken_Man It is this way because many lights are on a switched fixture. If the program has the light off, and you walk into the room you want to turn the light on, so you flip the switch off and...