Wiring a dimmer switch 3 way dimmer switch wiring diagram fully explained 3 way dimmer switch wiring diagram will take the. This is an updated version of the first arrangement.
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Wiring a light switch with a red wire. Twist all the white wires in the box together and cap them. I have one in my kitchen and it scared me for years. Connect the red wire from the fan to the other terminal on the fan switch and the black wire to the light switch. Twist the two copper wires in the first box together and attach them to the ground nut on the switch. The exact purpose of a red wire for a light fixture can vary. In a three conductor cable the extra wire is red and its almost always used as a hot wire.
Consult the instructions that came with the light for the proper wire connections. The red wire as a spare wire when a ceiling fan is not installed this spare red wire is insulated with electrical tape or capped off with a wire nut. The red wire is for the light switch. Either disconnect the red wire from the switch or replace the switch with a single pole version. Check the wire with a non contact voltage tester with the power and. Make a pigtail of the ground wire using two 6 inch lengths of bare wire and connect one ground wire to the fan switch and one to the light switch.
When you see a red wire in a 120 volt duplex outlet box its usually because one of the outlets is operated by a wall switch while the other is always on. Because the electrical code as of the 2011 nec update requires a neutral wire in most new switch boxes a 3 wire cable runs between the light and switch. If the electrical box was previously used for a fan the wall switch is probably a two pole switch. Going out of both boxes and into your light fixture will be 143 wire which has a black wire hot a white wire neutral a red wire traveler and a bare copper wire ground. When you see a red wire in a light switch box it can mean two things. Except in rare cases it is a hot wire or a switched hot wire.
The red and black are used for hot and the white neutral wire at the switch box allows for powering a timer remote control or other programmable switch. More about wiring a light fixture. The first time i saw a red wire on a light switch it certainly confused me. Thats a good question. After reading where the red wire goes in a light fixture someone asked me where to connect the red wire to a light switch.