4 Wire Thermostat Wiring Diagram: Easy Setup Guide
A 4 wire thermostat wiring diagram typically connects the transformer’s hot wire to the thermostat, with additional lines for cooling, heating, and the fan. Unlike systems with a traveler wire for multi-switch setups, this configuration manages standard HVAC functions, though it may require a separate common terminal for modern smart features. 📌 Key Takeaways Illustrates…
