To do this method the wire from your wall circuit to your light has to have 3 wires. Connect the blue wire to the red wire.
How To Wire 3 Speed Fan Switch
How to wire a fan to a light switch. Connect the black fan cable together with the black light wire and the black switch wire and cover them. Splice the source neutral to the white cable wire. Secure the pigtail wire to the box with a grounding screw or clip. Second remove the light fixture in the room. Wire the source ground to the ground wires for the switch and the fan. Connect the ground wire from the ceiling fan often this is connected to the fans hanger bracket to the circuit ground wire and to the electrical box if it is metal using a pigtail wire to connect to the box.
At the fan splice the wires matching the colors of each and connect the ground wire to the grounding terminal. First turn off power to the fixture at the electrical panel. In this arrangement a light fixture and exhaust fan are wired to the same source. Your power supply line the black wire should be feeding both switches and those switches power the fan black or the light blue. Connect black fan wire to the black ceiling wire. You can install a ceiling fan with a light in a room with a single light switch with a simple wiring trick.
Join the three wires with an appropriately sized wire connector. Using wire strippers peel an inch of insulation from the end of the black and white wires. Connect a light and a fan to a new switch. Locate the switch cable which must be glued through the top or side of the box that serves the fan or the light. Separate switches for bath fan and light from single switch in a 1960s house duration. Make sure the box is rated for a ceiling fan.
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