Deaconblue
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I'm going to need to learn to be comfortable with super-minor DIY projects. Like, the thermostat in my new place is old and not programmable. It really shouldn't be too complicated to just install a programmable one, but I feel like I'll somehow burn the house down just by undoing a wire. Guess my first task will need to be checking the few labeled fuses and labeling all the rest of the fuse box.
Thermostats typically have low voltage (24 Volts) rather than the 120 volts found in normal outlets. They are pretty simple. Just make sure the proper color wire goes to the terminal marked for that color. Usually there are five wires in a thermostat, but some only have four. The power comes from a small transformer inside the Air Conditioner or heater unit, so you need to turn off the breaker to the A/C. It is one of the big 240 volt breakers in the box.