@MikeP correct the switch loses power if I tighten that bottom screw all the way. I pulled everything out of the box and re-tied everything to be sure and nothing was loose. It is a difference of...

I just installed a HS200 smart switch for the first time today. The switch is used for a front porch light and two garage lights. Mid-80s house and this junction box is on an exterior wall. It seems...