Easy Way To Install Bathroom Fan

Connect the red wire to one switch terminal and the black wire to the other terminal.

Easy way to install bathroom fan.

The installation is easiest if you re replacing an existing fan. At this point you will strip the ends of the electrical wires and hard wire them into the unit. Connect power to both switches through two pigtails spliced to the feed wire. Measure the ceiling opening and determine if it is large enough to accommodate your new fan.

For a fan and light switch with existing wiring splice the white wires and connect the grounds securely with wire. Switch off the power at the fuse box. To remove the bathroom exhaust fan you have to cut th. Remove the existing fan leaving the old duct work and wiring.

Typically either a bare wire or green wire will attach to the side of the metal housing for grounding a critical safety measure. If not you must cut around. Use the information below to select a fan. Also it helps to get a fan that s the same size as your existing fan so you won t have to adjust the size of the ceiling hole.

Turn the power back on and test your new bathroom fan to make sure it s working. Draw a mark on the bathroom ceiling where you d like to install the vent fan. Fans are rated by cfms and sones. For optimum performance locate it between the shower and the toilet.

Follow steps 3 10 of the new construction installation to complete. Install the decorative plastic grille by slipping its mounting wires into the available slots in the housing unit. You can use the existing switch wires and ductwork. Photo by keller keller photography.