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How to Replace a Light Switch

By Bob Formisano, About.com

2 of 6

Turn off Power

Turn Power Off at the Electrical Panel

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  • Turn off power to the circuit feeding the switch. You do this by going to your electrical service panel and either removing the fuse or turning off the circuit breaker feeding power to the switch.
  • Go back to the switch and flip the switch to confirm that power has been turned off.

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