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. 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.
Electrical How Do I Wire Multiple Switches For My Bathroom
How to wire a 3 switch bathroom fan. Connect the white wires the ground wires the black wires and the red wires together. Twist the ground wires together then connect them to the green ground screw on the switch. Connect the red wire to one switch terminal and the black wire to the other terminal. Your power supply line the black wire should be feeding both switches and those switches power the fan black or the light blue. To do this method the wire from your wall circuit to your light has to have 3 wires. Identify your wires and follow the instructions in your manual.
At this point you may connect the unit to your heater if necessary. Connect power to both switches through two pigtails spliced to the feed wire. Connect black fan wire to the black ceiling wire. Wiring switches in a typical exhaust fan installation. Connect the black fan wire to the lower terminal of the switch and the live circuit cable to the upper terminal. 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.
Gather the white wires and cover them. Once your fan is free position it so that you can easily access the connection box. 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. Inside the box youll need to separate the wires to see which feed the fan and which feed the light. Mount the fan and turn it on and move it to the switch compartment. When renewing the bath consider placing a new fixture and led bulbs.
Run an electrical cable from the bathroom fan to the housing box in the ceiling. 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. For a fan and light switch with existing wiring splice the white wires and connect the grounds securely with wire. Installing and wiring a bath exhaust fan and light electrical question. Connect the blue wire to the red wire. If you are lucky you will be able to pull the cable through the ceiling to the housing box from a spot above.
Gallery of How To Wire A 3 Switch Bathroom Fan
