Quick Answer: Can A Thermostat Be Wired Backwards?

Can you touch thermostat wires?

No.

A thermostat is a low-voltage device.

It is possible, just bely conceivable, that there could be an insulation figure in a higher voltage wire, and it could be touching the thermostat wire, making electrical contact..

Why does my thermostat only have 3 wires?

If you have a heat-only system, you may notice that your thermostat has three wires—R, G, and W. … 1) Run an additional wire to use as a C from the furnace control board to the thermostat. 2) Re-purpose your G wire as your C wire, connecting it to the C terminal at both your furnace control board and your ecobee.

What happens if I wire my thermostat wrong?

Electric shock. Blowing a circuit breaker. Damaging the thermostat unit, the electrical system or even the AC/furnace unit itself. Dual-fuel systems, a poorly located thermostat, whole-home humidifiers, or incorrect wiring can make the installation of a thermostat a longer, more frustrating, and more complicated …

What color wire goes where on a thermostat?

Here is the industry standard thermostat wire color code used for most systems: White. The white wire connects to your heat. Yellow.