I have had multiple HS220 installed throughout the house installed since August. Today, one of the lights stopped responding. It would not turn odd not turn on. The light on the switch was off (the...

I have installed (by an elecrician) new dimmable recessed light with HS220. We realized that one section does not turn the light on till the dimmer is up to 36%. Is this the switch's issue or can it...

Thanks @Tony Would I need power adapter for each stair thread? If so, yeah, that would be troublesome.

Can LED strips be installed under stair threads? If so, how do I go about it?