Hello, I have just installed a HS 220 Dimmer Switch to operate dimmable LED direct wired T8 4’ tube fixtures (no ballasts). Each tube is rated at 16Watts with 2 tubes per fixture. The switch works...

Required Neutral for HS220 smart dimming switch? If a switch box does not have the power feed going through it then it doesn't have a neutral. If it functions as a switch to some light fixture then...