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To replace a challenger breaker in a circuit, first turn off the power to the circuit at the main electrical panel. Remove the panel cover and locate the challenger breaker that needs to be replaced. Carefully disconnect the wires from the old breaker and remove it from the panel. Install the new challenger breaker in the same position and reconnect the wires. Finally, replace the panel cover and turn the power back on to test the new breaker.

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4mo ago

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