Melted wire nut


Old 09-05-05, 12:05 PM
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Melted wire nut

A new dishwasher installed a couple of weeks ago with no detectable problems developed a burning odor. The service man found a melted wire nut where house wiring connected to washer wire. He said the two wires were not connected properly inside the wire nut causing arcing and overheating which melted and burned the wire nut. Is this the most likely explanation? I want to be sure there is nothing else going on.
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Old 09-05-05, 02:54 PM
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Nope, that is not all that uncommon.

It is very common in cases with a heavy load where solid wires were not pre-twisted prior to the wirenut being installed.
Old 09-05-05, 03:16 PM
Join Date: Apr 2004
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Is the supply wire coppr, or aluminum? If the latter, it could be not properly terminated.
Old 09-05-05, 03:28 PM
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The supply wire is copper.
Old 09-05-05, 11:26 PM
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I dont pre twist wires, but I have strong hands and when I remove a wire nut the wires are twisted togther, I would just as soon let the nut do its thing.

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