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![Nest Thermostat Wire Colors [Explained] - YouTube](https://i.ytimg.com/vi/6uIobT86FdU/mqdefault.jpg "Nest Thermostat Wire Colors [Explained] - YouTube")
Nest Thermostat Wire Colors [Explained] - YouTube
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Thermostat Wire Color Codes You Need to Know | AireServ
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HVAC-Talk: Heating, Air & Refrigeration Discussion
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