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brian's avatar

I'd like to add that while the circuit finders usually do the job, never trust a panel label, always test a circuit before working on it and always lock it out or remove the wire from the breaker and cap it off if you cannot see the breaker from where you are working. Test your tester on a live circuit first, then on your disabled circuit and finally once again on your live circuit. Also beware that a device box can contain more than one circuit, the 2 gang in your bathroom with a light switch and an outlet is a perfect example.

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