To do this method the wire from your wall circuit to your light has to have 3 wires. At this point you may connect the unit to your heater if necessary.
How To Wire Switches
How to wire a 3 switch bathroom fan. Connect the black fan wire to the lower terminal of the switch and the live circuit cable to the upper terminal. Run an electrical cable from the bathroom fan to the housing box in the ceiling. If you are lucky you will be able to pull the cable through the ceiling to the housing box from a spot above. Installing and wiring a bath exhaust fan and light electrical question. Generally you will need to connect the wires of the same color with a wire splice connector sometimes called wire nuts before securing the unit to the ceiling. Once your fan is free position it so that you can easily access the connection box.
Gather the white wires and cover them. Connect black fan wire to the black ceiling wire. Inside the box youll need to separate the wires to see which feed the fan and which feed the light. Your power supply line the black wire should be feeding both switches and those switches power the fan black or the light blue. Connect the red wire to one switch terminal and the black wire to the other terminal. Firstly the supply from the 3 pole isolator switch should be connected in to the junction box l n and e then the fan should be connected using 3 core and earth cable depending on the model the earth may not be required with the extra cable being used as the switch live sl.
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. Connect the power source to one screw terminal and a lead wire to the other screw then splice the wire of the two devices to the lead wire. Mount the fan and turn it on and move it to the switch compartment. 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. Twist the ground wires together then connect them to the green ground screw on the switch. Connect the blue wire to the red wire.
Connect power to both switches through two pigtails spliced to the feed wire. Connect the white wires the ground wires the black wires and the red wires together. Identify your wires and follow the instructions in your manual. Wiring switches in a typical exhaust fan installation. When renewing the bath consider placing a new fixture and led bulbs. For a fan and light switch with existing wiring splice the white wires and connect the grounds securely with wire.
Gallery of How To Wire A 3 Switch Bathroom Fan
