3 Way Switch "issue"

Discussion in 'Electrical Forum discussion & Blog' started by mikestaps, Nov 28, 2011.

  1. mikestaps

    mikestaps New Member

    Joined:
    Nov 28, 2011
    Location:
    Brighton, MI
    I currently have one outdoor light mounted on the house operated by a 3 way switch in the house and a 3 way switch in the garage. I would like to set it up so that a light mounted on the garage would come on with the one mounted on the house. The issue is that I have no way to run any additional wiring between the house and garage without doing some major digging. (as the easiest way I know of would be to run a 12-2 between the two lights so they are in parallel...)
    I have sketched up a rough diagram of what is going on. I am not sure if this is even something that I can set up but it never hurts to ask.
    Thanks


    3-way-diagram.jpg
     
  2. ActionDave

    ActionDave Electrician

    Joined:
    Feb 4, 2009
    Occupation:
    Electrician
    Location:
    Colorado
    No way to do it in the traditional manner without adding a wire.

    You could use an X-10 switch or add a spring wound or electronic timer switch to light on the garage.
     
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  4. mikestaps

    mikestaps New Member

    Joined:
    Nov 28, 2011
    Location:
    Brighton, MI
    I was afraid of that... Thanks.
     
  5. jimbo

    jimbo Plumber

    Joined:
    Aug 31, 2004
    Location:
    San Diego
    The problem is that most likely you do not have both sides of the 120 volt line at the garage switch. You just have the hot lead coming in, and back out on the travelers. So there is no way to power the bulb with the wires that exist there now.
     
  6. mikestaps

    mikestaps New Member

    Joined:
    Nov 28, 2011
    Location:
    Brighton, MI
    I do have full access to the sub-panel that is powering this system in the garage. I can run wires as needed in the garage. Could I just run a white wire from the panel to the light and then the black from the switch? (doing this would prolly violate code thou!)
     
  7. jwelectric

    jwelectric Electrical Contractor/Instructor

    Joined:
    Jun 14, 2007
    Occupation:
    Instructor
    Location:
    North Carolina
    Yes this is a very bad idea.
     
  8. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    quote; Could I just run a white wire from the panel to the light and then the black from the switch?

    And what would you connect the black wire to? the "switched wire" runs from the far 3 way to the light, NOT back to the garage.
     
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