I ordered 10-4" LED can lights from Graybar (supply house). Along with Lutron Diva 0-10 volt low voltage dimming switches. We had 2 cans in the hallway and the other 8 in 2 patient rooms (4 per room). It is a plastic surgeons office and they wanted it so dim it was almost completely dark. We tried the Divas wired at 277 with LV wires for dimming. It wasnt dark enough. We tried 120 volts also. Still not dark enough. I went to Home Depot to get 2 Lutron Maestro dimmers and was able to program the switches down to the level the customer was pleased with. The Divas is what was recommended by Lutron. This is an oddball application because of the super darkness required, but here's the point. The LEDS are factory set. There is no way to know what may or may not work. 2 cans, 4 cans,120 volts,277 volts, LV dimming etc. all play factors into it. I'm hearing that residential cans and trims work better than commercial types for whatever reason as far as ease of dimmer compatibility.
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