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when I turn my fluorescent kitchen light off, my outside p.i.r security light comes on, why? the problem started when my father moved the p.i.r up above the door

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Does this happen during daylight hours? Or only at night? –  wallyk Sep 1 '13 at 16:46
    
Is the kitchen light controlled by more than one switch? Sounds like the outdoor light was connected to one of the 3-way switch travelers. –  bcworkz Sep 1 '13 at 20:02
    
Is the sensor for the security light within line of sight of the kitchen light?? –  bib Sep 1 '13 at 20:24
    
wallyk- it happens at night –  user14864 Sep 2 '13 at 17:58
    
bcworkz- no the kitchen light is on one switch –  user14864 Sep 2 '13 at 17:59
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Sounds like the sensor on your light might be aimed incorrectly. It could be that it is sensing the movement in your kitchen, and when the kitchen light is turned it becomes dark enough for the light to activate. Try adjusting where the sensor is pointing and see if that helps at all.

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