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Actually it can overheat to the point of melting or fire without exceeding the breaker rating. A loose wire connection causes resistance. And current flowing thru a resistance causes heat. Heat in watts is the current squared times the resistance. That’s the principle of light bulbs, get the element (resistance) so hot they glow.
Wire nut connections, done correctly, work well. But not done correctly can lead to a bad connection over time.
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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