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Hi all,

Having an issue where one pole on a linked 2P breaker is tripping instantly for a baseboard heating circuit.

It stopped happening when I disconnected and reconnected one of the baseboards which leads me to believe there was a loose wire nut connection. I didn't change the way is was connected and there didn't seem to be any damage to the marrette or the wire. I am a bit concerned that the breaker was tripping instantly like it would for a short circuit or a ground fault, I'd think if it was a loose connection it would take a bit of time to heat up and trip.

I am also a bit surprised that only 1 pole was tripping and that the metal link between the two poles wasn't opening both poles. Is this typical?

Any other advice?
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