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Wiring bath fan with Fan/ light combo. Want to operate the features on seperate switches. Have power wire Black/ White/Green. Each switch has own wire Black/White/ Green. In the unit there is a Blue/white for fan and Black/White for light. Connection process?

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If I understand correctly you are installing two wall switches.
Your switches are switch1 and switch2
Each switch has 2 brass-colored screws
If you have a double switch, see page bottom
And you are installing a fan/light combo with separate wires for fan and light.

Bare ground wires and green wires connect to each other and to green screw. A ground wire runs from fan/light to switch box where it connects to other bare copper wire and these wires will not be discussed.

Lets work from the fan/light down to the switch.

Blue-wire-fan connects to either brass screw on switch1
White-wire-fan connects to white Neutral (we'll talk about this wire as we go)

Black-wire-light connects to either brass screw on switch2
White-wire-light connects to same Neutral as White-wire-fan.

So you need 3 wires running from fan/light to your switch box.
One wire arrives at switch box and connects to brass screw on switch1
One wire arrives at switch box and connects to brass screw on switch2
One wire is the Neutral wire and it arrives at switch box and connects to other white wires inside switch box. Twist these wires together and cover with wire nut.

Now your white Neutral is connected to other white wires in switch box.
Each switch still needs another wire.

The Hot black wire from breaker box connects to brass screw on both switches

Wiring bath fan with Fan/ light combo. Want to - 03fdf56.jpg
Pardon the crude drawing.
The switches would actually be located next to each other, but it was easier to draw like this.
Drawing shows 3 wires coming from fan-light to switch box.
The drawing shows the black and white wire arriving from breaker
The drawing does not show how the white wires are joined with a wire nut

If you have a double switch, with 2 switches stacked vertically.
The screw colors can be different.
Double switch could have brass screws on both sides, in which case your Load (fan-light) wires connect on one side of device, and your Hot from breaker connects to other side. It doesn't matter which side, but loads on one side, hot on other side.
Double switch could also have dark screw(s) on one side and brass screws on other side.
In this case, the black Hot from breaker connects to dark-colored screw(s)
And your Load (fan-light) connect to brass colored screws.

If you need more information, or if something is still confusing, answer back.

Posted on Oct 26, 2010

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You happened to catch the same guy who answered before.
You can re-post again and I'll step aside if that is your choice.

I see. The power is coming from a junction box into the fan-light combo
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e44be8b.jpg
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