Attach the white wire from the light fixture, which is now the hot wire, to the nut at the top right of the switch. Attach the red wire from the light fixture to the nut at the top left of the switch . Connect the bare copper wire to the green nut at the bottom left of the switch.
Where do the red and black wires go on a light switch?
The black (hot) wire goes to the brass screw or into the hole in the back of the device on the same side as the brass screw. This wire is sometimes red. The green or bare copper (ground) wire, if the device has one, attaches to the green screw terminal on the switch or to the electrical box.
Does red switch wire go to black or white?
Sheathed cable with a red wire always is accompanied by a black wire, a white wire and a bare wire . Very old homes may have cable that excludes the bare wire.
What is the red wire on a light switch?
Red wire: The second hot/traveler wire is the red wire that serves the same purpose as the black wire between the two switch boxes. Depending on toggle switch configuration, either the red wire or the black wire will be hot if the light is on, but not both.
What are the red and white wires on a light switch?
- Black Wire – This is the hot or load wire.
- White Wire – This is the neutral wire.
- Bare Copper (Green) Wire – This is your ground wire.
- Red Wire – This wire is used for 3 or 4 way switches and will connect the switches together so they can each control your lights.
Are red and black wires interchangeable?
Red and black wires are current-bearing , and their positions are interchangeable.
Can black and red wires go together?
If the red and black wires are connected together already and energized, yes you can do that but you will need a pull chain light or a remote control, if they are not switch controlled.
How do you wire a light switch with black white and red wires?
First, twist the two bare copper ground wires together. Twist the two red wires together and attach a wire nut. Take the white wire from switch two and twist it with the black wire from switch one . Mark the white wire with a piece of electrical tape to indicate that the wire is now a hot wire.
Why do I have 2 black wires and 2 white wires?
the black and white wires from the power supply side need to be attached to the line side of the new outlet . (it should say this on the back of the new outlet) and the other 2 are to be attached to the Load side of the outlet.
Why do I have 3 red wires in my light switch?
Re: 3 red wires...eek!
The third red is the feed to the next lights in the circuit , in your case the bathroom. It will have been in one of the terminals on the old switch along with the live feed (one of the reds) from the last light in the circuit.
Does red wire go to common on light switch?
The black hot wire connects to the far right switch’s common terminal. Red and blue wires link traveler terminals of both switches. The red wire, which is connected to the first switch’s common terminal, leads back to the fixture .
Where does the red wire go on a ceiling light?
The Red wire needs to be connected to a ceiling light fixture . A spare wire that was intended to be used when wiring for a ceiling fan is the red wire. The red wire is used for the light and the black wire is used for the motor of the ceiling fan.
Which wire is live red or black?
Answered by Dave, Electrical Safety Expert
The live Red becomes Brown . The Neutral Black becomes Blue. The Earth wires continue to be Green and yellow.
Does it matter which wire goes where on a light switch?
With a switch loop yes, it should. The hot wire should come down from the ceiling on the white wire and go back up on the black wire . Just think ‘white down, black up’. If you wired it the other way around, hot black down and hot white up, you have a problem.
Why does my light switch have 2 red wires?
2 Answers. It sounds as if most of the switches you have been replacing are single pole switches . That is, they make (on) or break off) a single connection from one location. Simple switches use a black (hot) and another wire, usually black, red or blue (switched hot) to make and break the circuit.
