I'm stumped. I bought a Lutron Maestro MS-OPS2 occupancy switch and an LED light fixture for a closet when the old fixture's bulb burned out. Everything worked well for a couple of days, and then the light would be super dim when it came on:

Dim light #1

I thought the light had burned out, so I bought a different dimmable LED fixture and hooked it up, but it did the same thing. I assumed that the switch had died, so I bought a new switch and installed it, but the same thing happened. I replaced the light with a different fixture and the motion switch with a regular old light switch. The same thing happened:

Dim light #2

I removed the switch from the equation completely and wired the fixture directly to the non-switched romex - same result. My multimeter is reading 120 volts between hot and ground, and I've done and undone the wire nut connections a few times. What am I missing here? As best as I can tell, the only other things on this circuit are an outlet with nothing plugged into it, a vanity light and the vent fan in the bathroom - those all seem to work fine. I feel like I'm going insane.

  • Does the motion sensor have a neutral wire? – Harper - Reinstate Monica Jan 1 '18 at 5:07
  • No - the switch is connected via a switch loop. Bypassing the switch completely doesn't have any effect, though. – Matthew Warren Jan 2 '18 at 22:05

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