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.
Bathroom fan and light switch wiring.
Extractor fans with an integral timer or timed switch need a 3 core and earth supply to allow the unit to run on after a light is switched off.
Most bathrooms however add at least one other light fixture often a wall mounted vanity light above the mirror or a pair of wall sconces on the sides of the mirror.
Shut off the breaker controlling the light and fan circuit.
The source neutral and ground are spliced through to the fan location.
The connections from light to box are black to red wire white to white wire ground to green wire.
Run a length of 12 3 cable from the fan light cutout down into the wall space to the switch box cutout.
The source hot wire is spliced to the black fan wire to hardwire it directly to the circuit and to a pigtail connecting the switch.
In electrical work a pigtail is a collection of wires spliced together with a short.
There are also two cream wires coming out of box that i assume are for the fan.
How to wire a bathroom fan and light on one switch a word of caution.
You ll need to make pigtails.
Bathroom lighting the nec requires at least one ceiling mounted light fixture in a bathroom.
Connect the white wires the ground wires the black wires and the red wires together.
In the attic space the cable may be run along the sides of rafters or through holes drilled.
In electrical work a pigtail is a collection of seamed wires along with a short.
Installing and wiring a bath exhaust fan and light electrical question.
Once your fan is free position it so that you can easily access the connection box.
Then remove the lens and light bulb.
Turn off the switch that controls the light and fan circuit.
Wiring a fan and light to a single switch in this wiring the source is at the switch and 3 wire cable runs from there to the fan and light.
You re going to have to make pigtails.
This is the single most important part of.
Inside the box you ll need to separate the wires to see which feed the fan and which feed the light.
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.
It must also be possible to isolate the fan by means of a pull switch inside the bathroom or a fan isolation 3 pole switch outside of the bathroom.
How to hook up a bathroom fan light to one switch a word of caution.