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Title: Unit does not work
Review: After installing as instructed, the new fluorescent lights (elecronic ballasts) came on when I flipped the breaker on, but they would not turn off, even after several hours with the garage unoccupied. And once I turned them off manually, they would not turn on by sensing my presence. So I went to the local building supply store and bought a Lutron unit, which worked perfectly. Note: While both of these unit correctly claim not to require access to a neutral (white) wire in the switch box, they both do require access to a ground (usually a bare or green) wire to work.
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