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Water heater breaker shut off and when I flipped it back on a wire burnt(imgur.com)

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kjpctech@lemmy.world
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Why would this happen? Should I try replacing the wire nut and turning it back on or is there something deeper going on? Thanks for any tips!

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stevestevesteve@lemmy.world
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All I can tell from that photo is that the wire nut has overheated and at a minimum the wire nut needs to be replaced. More may need to be done depending on why it overheated. If it was simply a poor install of the nut to begin with, replacement may be all that’s needed. If there is something else going on causing high current draw hence overheating, you’ll need to troubleshoot that too

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