Turn off all your 220 (double pole ) breakers, tell me what happens to your 120 volt stuff. If you have lost one leg of 230 you could be getting back feed thru 220.
Yep, which results in a bad connection that generates heat and fires.1/2 the time that added tape is to help hold the wrong wire nut on...
Old huh? It takes an old fart like me just to know what that is. LOL!Smarta$$. LOL! Yep, I'm old, but not quite that old.
I'll bet you did knob n tube too with friction tape.
Try these instead of the twist-on caps:
https://www.amazon.com/LEVER-NUTS-C...jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==
I have tried a few of the Wago's but not a big fan of them.
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