Burnt wire nut in toaster oven - should I be concerned?

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Old 09-08-18, 01:27 PM
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Burnt wire nut in toaster oven - should I be concerned?

The buttons on the electric control panel to my Oster Convection/Toaster oven are flaky (button presses don't always register) so I decided to open it up and see if I could deduce the issue. In what I think is unrelated I noticed that this wire nut coming from where the power cable connects was burnt and a little melted. I don't recall smelling anything and I have no idea how long its been like this (we've had the oven for like 3-4 years I think).
I don't know if I should be concerned about this, is it a sign of a fire hazard, a power surge, something else? I figured at the very least I would replace the nut but I'm wondering if I shouldn't be using this oven anymore.
 
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Old 09-08-18, 03:43 PM
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That is not a wire nut, it is a crimp on connector. It likely got hot due to a loose/poor connection. Yes, I would cut it off and replace it with a good connection like a standard wire nut.
 
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Old 09-08-18, 06:41 PM
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Just to add to Tolyn's reply..... I'd use a ceramic wirenut if it's in a hot location as regular wirenuts are plastic and can melt.
 
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Old 09-08-18, 07:14 PM
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Looking at the condition of wire ties, I think regular wire nuts will do just fine. It shouldn't get that hot in here.

If you can solder, that will make the best connection.
 
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Old 05-25-20, 03:36 PM
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Similar happened to me and ended with a small fire

My Oster toaster oven did the same thing but on the other group of wires. 4 wires join in a crimp to 120v. The whole nut and ends of wires burned, insulation of power cord and the nut were a small flame. Not good.
I soldered them together and put a nut on, but am looking for a new oven because I dont trust the workmanship of the oven in general now.
 
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Old 05-25-20, 04:18 PM
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Welcome to the forums.

That is unfortunate but is typical of what is found in many appliances today.
I never leave my toaster plugged in when not in use.
 
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