And always turn off power to the light switch and outlet at the main electrical panel before doing any rewiring!ĭid this guide help you rewire a light switch that controls an outlet to instead control a ceiling fan? Have any other electrical wiring questions? Let me know in the comments below!Įxplore more home improvement projects at /Home-Improvement Only perform electrical work if you are comfortable and qualified to do so, otherwise consult an electrician. Both ground wires in the light switch electrical box (one from the ceiling fan and the other from the light switch) are wire nutted together and attached to the light switch green/ground screw with a pigtail.Ĭongratulations! You’ve successfully rewired a light switch that once controlled an outlet to instead control a new ceiling fan/overhead light! Note.This completes the return path for current from the ceiling fan.The white wire from the light switch (in the outlet electrical box) is connected to the outlet.Connecting these two white wires together provides a return path for current from the ceiling fan whenever the light switch is turned on.The two white wires in the light switch electrical box (one from the ceiling fan and the other from the outlet) are connected together with a wire nut.This provides current to the ceiling fan, and since the ceiling fan is now connected to the light switch then current to the ceiling fan is now controlled by the light switch.Black wire from the ceiling fan (new Romex cable that’s been run into the light switch electrical box) is connected to the light switch.This wire finishes bringing current to the light switch.Black wire to light switch (in the light switch electrical box) is connected to the light switch.This wire is providing current to the light switch. This wire connection hasn’t changed, but its function has changed.Black wire from the outlet (in the outlet electrical box) is connected to the outlet.This wire connection hasn’t changed, but I want to emphasize that current to the outlet in Step 1 has a return path and this path is independent of the light switch.White wire from the power source (in the outlet electrical box) is connected to the outlet.This provides current to the circuit, and since it is directly attached to the outlet then the outlet will always be on – the outlet is now independent of the light switch. ![]() Black wire from the power source (in the outlet electrical box) is connected to the outlet.Important steps are indicated by blue numbers. The following diagram explains how to take this existing setup and rewire it so that the light switch can now control a ceiling fan/overhead light:Įlectrical wiring diagram explaining how to rewire a light switch that once controlled an outlet to instead control a ceiling fan/overhead light. The new wiring: the outlet is independent of the light switch, and the light switch controls a ceiling fan/overhead light (power source enters at the outlet) Both ground wires in the outlet electrical box (one from the power source and the other from the outlet) are wire nutted together and attached to the outlet green/ground screw with a pigtail.This provides a return path for current to the outlet whenever the outlet is turned on by the light switch.Black wire from the outlet (in the light switch electrical box) is connected to the light switch.Per convention this white wire (in the light switch electrical box) is often wrapped in black electrical tape to indicate that it is really live/hot.This provides current to the light switch (remember the other end of this white wire – in the outlet electrical box – is connected to the black wire from the power source).White wire from the outlet (in the light switch electrical box) is connected to the light switch.We do that using the white wire that runs to the light switch. Since this outlet is controlled by a light switch, current first needs to go to the light switch. If the black wire from the power source were connected directly to the outlet, then the outlet would always be on.Black wire from the power source (in the outlet electrical box) is connected to the white wire running to the light switch (in the outlet electrical box) with a wire nut.Let’s review the important electrical connections (indicated by blue numbers in the diagram): ![]() Electrical wiring diagram explaining switch-controlled outlet wiring.
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