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Joined 2 years ago
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Cake day: June 22nd, 2023

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  • Loose screw on the neutral bar. Maybe it loosened over time, maybe it was never tightened correctly to begin with. Probably both. Regardless, when the gap got big enough and the excess current on that circuit went back through the neutral, it overheated to the point of melting. Good thing you shut that circuit down, you very likely prevented a fire!

    Now the big question is, why didn’t the breaker trip on its own?