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OrangeC
Community Member
since ‎08-12-2022
‎08-19-2022

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C Wire? Not sure if I have it.

08-12-2022
The system is a cooling and heating furnace in the basement with an A/C fan outside. Not sure if the black is the C wire or the RC is the C wire. How would i go about wiring these wires to the nest thermostat?