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    Bmiller started this thread.
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    Copper or aluminum in refrigeration compressor?

    I just found a sure way to determine if a compressor has copper or aluminum windings. Knock off the electrical box and drill a tiny pilot hole in the center between the prongs. Follow it with a 1/2 inch hole, then drill into the windings. Peek in with a flashlight to see if they are aluminum or copper.


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    Soobthang's Avatar
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    Awesome. Gonna do this. Have a bunch sitting around.


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