This light switch wiring diagram page will help you to master one of the most basic do it yourself projects around your house. When nothing is hooked up there is power in the 2 wire plus ground cable on the upstairs switch.
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How to hook up a light switch with 3 wires. Ceiling fixtures can vary from chandeliers for a formal dining room a new light and fan combination for a family room or a new look in a recently remodeled room. Hey doing it yourself is great but if you are unsure of the advice given or the methods in which to job is done dont do it. There is only the single 3 wire plus ground in the downstairs switch box and only two 2 wire plus ground cables at the fixture. The other way to wire multiple lights to one switch is to connect all of them directly to the switch in a home run configuration. These screws often gold will be on opposite sides of the switch. The switch controls a light and the receptacle half of the combo device is always hot.
Three wire supply cables generally carry red and black hot wires of 110 to 120 volts each with a single white neutral wire. If there is a grounding terminal now simply hook the black wire to the bottom terminal and the white wire to the top terminal. The two switches appear to be connected by a 3 wire plus ground cable. Hook up the ground wire to the box and then to the switch. Either way complete these five steps for 3 way light switch wiring. Turn off the correct circuit at your electrical panel.
Attach the remaining black and red cables from 3 wire nm to the traveler screws on the switch. You can do this light switch wiring in one of two ways. The hot from the source is spliced to the black wire running to the combo and to the input side of the switch. The lighting could be added to the three wire cable provided that the circuit breaker is no more than 15 amps and the wire size is no greater than 14 gauge. Add an electrical box for the second 3 way switch in the basement. The most common is to daisy chain the light fixtures by connecting them to each other and hooking the first one up to the switch.
Its likely youll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch. Hook the red one up to the side with you black power wire and the black on the identical screw on the other side of the switch. Source 1 comes in at the light fixture and a 3 wire cable is run from there to the switch half on the device. This site is merely. Wiring a single pole light switch. Turn on the power and test the switch.
Push the switch into the box and screw it in. Dress up a room or give it a whole new appearance by learning how to change a ceiling fixture on your own.
Gallery of How To Hook Up A Light Switch With 3 Wires
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