How to Make Bathroom Light in Exhaust Fan Wiring Diagram Bathroom fan

Diagram to Wire a Timer-Controlled Exhaust Fan. Here the exhaust fan is controlled by a timer instead of a switch. There should be two hot wires, black and red or both the same color, and a green ground wire coming out of the timer casing, splice one of the hot wires to the hot source.. I am replacing a bathroom exhaust fan with light. There is 1 switch to control both fan and light. New unit has a white, black, and blue wire. Main wire in ceiling has a white, black, and copper gr.

Learn how to properly wire an exhaust fan with a light using a detailed wiring diagram. This step-by-step guide will help you install and connect your exhaust fan with light safely and efficiently.. Bath Vent Fan Wiring Connections. Typically the bathroom vent fan motor is powered by the bathroom ceiling light fixture circuit; some installers, particularly in hotels or rental units, hard-wire the bath exhaust vent fan to force it on when the bathroom ceiling light is on - thus assuring that the vent fan is in fact used.