An exhaust fan wiring diagram is a crucial document for anyone installing or troubleshooting an exhaust fan. Understanding it correctly ensures safety and proper functionality. At its core, the diagram illustrates how the various electrical components of the fan are connected, including the power source, the switch, the fan motor, and sometimes a light or heater. Correct wiring is paramount because improper connections can lead to short circuits, electrical fires, or the fan simply not working. This article will break down the essential aspects of an exhaust fan wiring diagram, making it accessible for both beginners and experienced DIYers.