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Thread: How do you power an inline duct fan?

  1. #1
    Hennessy1414's Avatar
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    Question How do you power an inline duct fan?

    I just got a 4" inline duct fan and was wondering what I connect the white black and green cords to to make it power on? help would be great.
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    Earthy Dank's Avatar
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    You need a power cord that connects into an outlet. Connect the power cord to the white and black cords. The green wire is for grounding it.
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    I'm not familiar with proper electrical code, but I think the white wire is usually a neutral/negative, or "return wire". It'll need to be spliced with the other neutral wires coming from your power source. Your black wire is your active/positive, or "supply wire." Of course, this'll need to be spliced into the lead wire coming from the power source. And the green wire is your ground.

    If you're going to be splicing directly into a live source, like an attic light, outlet, etc., you should definitely test all of the lead wires first with a voltage reader. Because if someone wired it backwards when your home was being constructed, you wouldn't find out until you wired your fan backwards, powered it up, noticed it wasn't working, and went to touch it. And that's a rough way to have to find out.

    If you're not comfortable with matching wires, splicing wires, etc., then you should definitely get someone with experience to wire it for you. If done improperly you could possibly start a fire, or worse, electrocute yourself. I used to install digital audio/video systems in public buildings (conference rooms, auditoriums, schools, churches, etc.) and many times while they were under construction or being renovated. There have been several times that I accidentally grabbed a live wire while at the same time grounding myself to metal rafters. It hurts, really bad. So just be careful if you decide to do it yourself.
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  4. #4
    Hennessy1414's Avatar
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    can i just wrap the wires around a 6v battery?
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    Mississippi Steve's Avatar
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    120VAC fan will not work with batteries.....you'll let the factory smoke out of the fan.

    To wire a cord to it use this.....
    Black = Line(hot)
    White = Neutral
    Green = Ground

    DO NOT just twist the wires together and tape them....use wire nuts!!!!
    If your not sure which prong on the plug goes where if the wires are not color coded..

    The narrow flat blade is HOT
    The wide, flat blade is Neutral
    The round prong is Ground

  6. #6
    Hennessy1414's Avatar
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    Quote Originally Posted by Mississippi Steve View Post
    120VAC fan will not work with batteries.....you'll let the factory smoke out of the fan.

    To wire a cord to it use this.....
    Black = Line(hot)
    White = Neutral
    Green = Ground

    DO NOT just twist the wires together and tape them....use wire nuts!!!!
    If your not sure which prong on the plug goes where if the wires are not color coded..

    The narrow flat blade is HOT
    The wide, flat blade is Neutral
    The round prong is Ground
    what do i attach the wires to?
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  7. #7
    OLDJIMMYBONES's Avatar
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    white it neg, black positive, green ground

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    OLDJIMMYBONES's Avatar
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    you would connect this to an open wire ie. the wires that run to an outlet/light switch

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    OLDJIMMYBONES's Avatar
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    or you can buy one of these and plug it in the wall, 110v 3 wire male plug
    Attached Thumbnails Attached Thumbnails How do you power an inline duct fan?-plug.jpg  

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    Quote Originally Posted by OLDJIMMYBONES View Post
    or you can buy one of these and plug it in the wall, 110v 3 wire male plug
    thanks +1
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  11. #11
    Mississippi Steve's Avatar
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    Quote Originally Posted by Hennessy1414 View Post
    what do i attach the wires to?
    If you have to ask, then its time to find somebody who knows WTF they are doing so you don't hurt yourself or somebody else

  12. #12
    Hennessy1414's Avatar
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    Quote Originally Posted by OLDJIMMYBONES View Post
    or you can buy one of these and plug it in the wall, 110v 3 wire male plug


    Quote Originally Posted by Mississippi Steve View Post
    If you have to ask, then its time to find somebody who knows WTF they are doing so you don't hurt yourself or somebody else
    theres your answer in the quote above you
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