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Can a circuit fail without tripping a breaker or a GFCI?

April 26, 2017breaker circuit fail GFCI tripping

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Can a circuit fail without tripping a breaker or a GFCI?

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Yes. A circuit can fail if a connection at the breaker or at the circuit’s neutral wire in the electrical panel comes loose or deteriorates. More often these “opens” involve less than the entire circuit because a connection somewhere on the circuit—at another outlet box for example—has failed.