So not sure if anyone can help with the small amount of information I have but I have a 3 way circuit (same light but 3 switches
Switch A
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Switch B 2 gang but the one closest to my thumb is the switch that controls the circuit I need
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Switch C 2 gang but the one closest to my thumb is the switch that controls the circuit I need
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I can't figure out where I would wire the shelly 1L
Any help would be greatly appreciated