Thermostat wires generally carry a low voltage of 24 volts or less, which is not enough to give you an electric shock. However, it's still important to take safety precautions when working with thermostat wiring, especially if you are not familiar with electrical work.
If you need to handle thermostat wiring, here are some safety tips to keep in mind:
Turn off the Power: Before working on the thermostat wiring, turn off the power to the HVAC system at the circuit breaker or fuse box. This will prevent any electrical shocks.
Use Proper Tools: Use only insulated screwdrivers and other tools when working with wiring to avoid any accidental contact with live wires.
Be Careful: Handle the wiring with care to avoid damaging or breaking the wires. Broken wires can cause electrical shorts or other issues.
Call a Professional: If you are not comfortable or experienced with electrical work, it's best to call a licensed HVAC technician to handle the wiring for you.
Overall, while the low voltage used in thermostat wiring is not likely to cause an electric shock, it's still important to take safety precautions when working with electrical components.