The Signs & Symptoms of a Bad Capacitor on a Gas Furnace Blower Signs and Symptoms of a Bad Start Relay on a Refrigerator Some air conditioners have a single capacitor that operates all three motors, but other units may have separate capacitors for the compressor, the forced air blower, and...
The furnace uses electricity to run its control electronics, igniter, and blower. But you just need to connect it to one normal (15 amp) household circuit. Black wire is hot, white is neutral, and green/copper is ground. You make the connection right inside the junction box built into th...