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photo sensor
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  1. General Electrical Discussion
    My exterior post lamp quit working. Thought the photocell was the problem. Replaced with a new one, but it still doesn't switch on (covered cell w/ tape). The line is 120v to the post. With the photocell detached, I ran a pass through from the line hot to the red hot and the light comes on...
  2. General Electrical Discussion
    Any help would be appreciated... Today I had a customer who's stairway night lights were out (120 volt). I checked the photo sensor outside and it was fine. The photo sensor feeds two lights over the garage doorway before the line runs into the house and to the stairs. I put a tone generator...
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