electrical - Three way switch with two common wires? - Home Improvement Stack Exchange

Im currently trying to upgrade two three-way light switches in the kitchen to some new smart three-way switches. The issue I have run into though is that there appears to be two common wires on one

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wiring a 3 way switch with multiple fixtures after making a minor mistake. - Community Forums

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electrical - Add additional circuits after 3-way switch - Home Improvement Stack Exchange

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three way switches

three way switches

three way switches

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electrical - Three way switch with two common wires? - Home Improvement Stack Exchange

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