Very good question.
Well, I'm always happy to put to bed any trouble that doesn't affect me! :) But just for the records, I'm somewhat surprised to hear also of your...
Loose terminal maybe? From your photo it looks like the overheating might have started from it.
I know, and said beforehand, that it's o/t. OTOH, you said "I have found tripped breakers that still conduct" as if it were normal/acceptable......
No idea of what the punches mean, but it might as well be done from the factory on all new shafts. If you are unsure of if/when they were ever...
TBH, I would call "massive" any shaft wobble that you can spot by eye. In your boots, I wouldn't even start checking engine alignment without...
Just one more question, again with apologies for the O/T, but you made me curious: Do you possibly know what is the normal current breaking...
I'd rather call it a poor translation, more than likely from some computer program. Whatever the reason, which I'm also missing.
Urgh, THAT sounds scary. Zero interest in starting an "ours is better than yours" debate, but I can assure you that I never, ever came across a...
We are now drifting into a somewhat theoretical and o/t debate, but FWIW I still can't see any logic in single pole breakers on hot wire alone...