Installing and wiring a bath exhaust fan and light electrical question.
Exhaust fan and light on same switch.
Locate the switch cable which must be glued through the top or side of the box that serves the fan or the light.
Bathroom exhaust fans with built in light fixtures are fairly common.
My wording is wrong i basically want to add the exhaust fan and have the light and the fan on the same switch so they come on at the same time misterdj acronim may 21 at 13 52 the existing wiring may decide what you do depending on your ability s and if you can pull new wiring.
Removing existing wiring i removed the 2 wire with ground from the switch to fixture and replaced it with a 3 wire with a ground.
The easiest thing to do for your current set up would be to use a two button single gang switch with one button that does on off for both the fan and the vanity lights and the other button that does on off for the other light.
In the fan light junction box attach the white wire neutral from the switch box which is connected to the white from the panel to either the common neutral connection on the fan light some fan light combinations common neutral connector which makes things easier for situations such as this one or wire nut pigtail the white wire to the separate white neutral wires for the fan and light.
Grip these in your non dominant hand while you twist the ends clockwise.
Connect the black fan cable together with the black light wire and the black switch wire and cover them.
The electrical wiring for separate switching of the bathroom exhaust fan and the light fixture will require identifying the existing circuit and existing switch wiring.
If you have one of these you may have wired the fan and light to separate switches.
The key factor is to understand where the power source enters the circuit.
Align the stripped straightened ends of black cables from the existing light and switch with the new cable from the fan.
After my bathroom addition was rough wired and before the insulation was done i decided to add a ceiling fan and light to be controlled with separate switches in place of a simple light fixture.
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The power source will either enter at the switch box or up at the light fixture or the exhaust fan.
In both switch box and fan light box all grounds should be connected wire nut together.
Using wire strippers peel an inch of insulation from the end of the black and white wires.
This video with new full edited instruction for those who asked.
Multiple lights on double gang switchdevices integrations leviton vrcs2.
How to wire 3 switch in 3 gan.
Pretty much the same thing you have now.
The easiest method would be to add the fan to the light.