Motion/Occupancy Sensor switches – install

I purchased a Lutron Maestro MS-OPS2H-WHB sensor switch from Low’s to test and evaluate.

I tried it first for the stairwell, no luck. There is no proper grounding there since it is legacy wiring, circa 1947. Then I tried it in breezeway which has grounding, but realized it not a replacement for a two pole switch. This switch is model is single pole only.

Then I tried it in the guest room and it still did not work. That room I re-wired myself, so I know the wiring and grounding is good, and the switch is single pole. The issue is that I was switching through the neutral instead of hot. The switch requires some power for the sensor to operate, so hot must be going to it. When I switched the switching from neutral to hot, and wired it, it starting working properly.

 

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