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Thread: Switches

  1. #11
    Join Date
    Dec 2007
    Location
    NE Nebraska
    Posts
    38,252
    Quote Originally Posted by gar View Post
    180707-1704 EDT

    kwired:

    What circuit can you draw where the neutral could be the cause of the logical operation that Mparn described?

    .
    Now that he has clarified a little more it is not a neutral issue. I was initially thinking he meant both switches must be on before any of the lights work, if that were the case it could be an open neutral issue.

    That said even though design was supposed to be multiwire circuit and each switch on a different "leg", that obviously isn't what is happening or else there would be line to line fault when both switches are closed, if there were somehow interconection between them.
    I live for today, I'm just a day behind.

  2. #12
    Join Date
    Apr 2018
    Location
    Missouri
    Posts
    27
    Thanks guys, I understand how circuits work. I'm going to guess this problem existed before we changed our the lights. I'll look into this on Monday.

  3. #13
    Join Date
    Apr 2008
    Location
    Ann Arbor, Michigan
    Posts
    7,030
    180707-2446 EDT

    Mparn:

    Relative to your post #7. Wiring at the fixture can not be the cause. Switch B and lights B have to be powered from the output of switch A.

    My guess is that as you said it may have been a preexisting condition.

    .

  4. #14
    Join Date
    Mar 2003
    Location
    New York
    Posts
    1,314
    The lights that come on first are they the rows furthest from the windows?
    If so, it may be wired correctly and the rest of the rooms are wrong.
    Form of early light saving.

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