What is the proper installation procedure for a Honeywell thermostat that involves connecting the blue wire?

To properly install a Honeywell thermostat with a blue wire, follow these steps:

1. Turn off power to the HVAC system.
2. Remove the old thermostat and label the wires.
3. Connect the blue wire to the C terminal on the new thermostat.
4. Install the new thermostat following the manufacturer's instructions.
5. Turn on power and test the thermostat to ensure it is working correctly.