Thermostat Wiring Quiz

What is the primary function of a thermostat in HVAC systems?

• To filter the air

• To decrease the humidity

• To increase the power supply

• To control the temperature of a room

Which wire is commonly used for power in thermostat wiring?

• Blue wire

• Red wire

• White wire

• Green wire

What does the 'C' wire stand for in thermostat wiring?

• Cooling wire

• Control wire

• Common wire

• Current wire

Which wire is typically used for heating in thermostat wiring?

• White wire

• Yellow wire

• Black wire

• Orange wire

What is the purpose of the green wire in thermostat wiring?

• To supply power

• To provide heating

• To power the fan

• To connect to the internet

In a 5-wire thermostat, what is the function of the blue or yellow wire?

• Fan

• Power

• Heating

• Cooling

What should you do before removing an old thermostat?

• Call a technician

• Disconnect the HVAC system

• Take a photo of the wiring

• Turn on the power

Which wire is used for the reversing valve in heat pumps?

• Orange wire

• Red wire

• Green wire

• White wire

What is the first step in wiring a thermostat?

• Remove the control panel

• Connect the wires

• Turn on the power

• Install the new thermostat

What is the recommended action if you are unsure about thermostat wiring?

• Use a random wire

• Guess the wiring

• Ignore the problem

• Consult an HVAC professional