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Turn Off Power at Circuit Breaker — Turn Off Power

Beginner2 hours

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How to Replace a Stair Light Switch with a Dimmer · Step 1 of 6

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Proceed to your home's main electrical panel (breaker box). Locate the circuit breaker that controls the light switch you are working on. Flip the breaker to the 'OFF' position to cut power to that circuit. Return to the light switch and re-test with the proximity tester to ensure no power is present. The tester should not light up or beep, confirming it is safe to proceed.

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