06:09AM | 10/11/04
Member Since: 10/10/04
2 lifetime posts
As my subject indicates, I am trying to run a bathroom fan and light on seperate switches. Here is the visual:

I have three wires running to the attic from the switch; they are a black, white and red. The switch is a 2-rocker switch (Leviton).

In the attic, my bathroom appears to be running on parallel wiring as there is a white and a black running to the fan/light wiring and a white and a black running from it (I believe to the next room).

The fan and light each have two wires. There is a white and black, and a white and blue.

I currently have the fan and light working at the same time by wiring their blue and black to the red coming from the switch (the red is connected to one of the loads) The black is the common (running hot I believe) and the white is connected to the two whites from the fan/light, but is unconnected to the switch.

I am unsure how to seperate the loads. The house is older and the wiring has no ground wire.



12:17PM | 10/11/04
Member Since: 09/24/04
128 lifetime posts
If I understand you correctly your switch has:

Black = Power to switch

Red = Switchleg to light/fan

White = Neutral

If this is correct then you don't have enough wires to seperate the loads.

You could run another cable of 12/2 to the switch for the switch power and take the existing black and red and turn them into switch legs.

U.S.M.C. Semper Fi !!!


02:38PM | 10/11/04
Member Since: 09/17/02
524 lifetime posts
You need to wire it as a switch leg.

At the fan connect the white wire fromthe switches to the 2 black wires.

Color the white wire black witha a marker or piece of tape.

Connect the red wire to the fan black.

Connect the black wire to the light black.

Conect the other 2 whites together with the fan and light whites.

At the switches

Color the white wire black with tape or marker. Connect it to the common screws of the switch.

Connect the red and black wires to the other 2 switch terminals.


03:19PM | 10/16/04
Member Since: 10/10/04
2 lifetime posts
JoeD TPerez,

Thanks for the help on how to wire the switch leg. I did it today and all works well. If you lived in my area (Barrie, ON) we would have to have a 'pop'.


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