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Temperature Controlled Switch Wiring?

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  • 22-12-2009 11:34am
    #1
    mchammer
    Registered Users Posts: 225 ✭✭


    Hello all,
    I'm looking for a small bit of expert knowledge. Basically I have a temperature controlled switch running on a 12v DC power supply which I want to control the switching on of my appliance (fans) i.e. when the temp reaches 40degrees i want my 12V DC fans to switch on! Basically I'm stuck on how to connect my fans to the output of the switch. I think I should connect my + on the fans to the NO (normally open) output on the switch so that the power will be passed to the fans when the switch is closed, but I don't no where to connect the - (ground) to!!
    Any help is greatly appreciated.
    Thanks
    MC
    tempswitch.jpg


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