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Those should both be hot (black) wires to two separate circuits. Electricity flows into the breaker from the bar that they snap onto and the grounds (white and bare) all go to one grounding bar on the side of the box. If you don't know what you're doing inside the box, please put the cover back on and call someone who does know.

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โˆ™ 2004-08-06 11:57:23
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Q: Why are there two switches on the breakers each marked with an amperage if there are only two wires connected?
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