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  1. #14
    Join Date
    Sep 2009
    Location
    Arnold mo
    Posts
    3,939
    Quote Originally Posted by NCHeat View Post
    Someone explain this to me. How can a cell phone charger plugged in with no phone connected to itbe drawing power? What is pulling amps on that circuit?
    I would imagine it has to do with the fact that the charger is converting ac to dc;perhaps energy loss from the energy being coverted into heat.
    An answer without a question is meaningless.
    Information without understanding is useless.
    You can lead a horse to water............
    http://www.mohomeenergyaudits.com

  2. #15
    Join Date
    May 2000
    Location
    Rochester, NY, USA
    Posts
    14,198
    I asked a "tech" guy once why a x-former hums.

    I was told that it could be out of Phase?

    you can get the technical info here

    http://www.allaboutcircuits.com/vol_2/chpt_9/4.html

    or you probably could just change it out and see if that quiet's it down
    BEING AN ADULT

    is the dumbest thing I have ever done

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