Does blue wire go to white or black?

Connect the black wires together. Connect the blue wires together or the blue wire to the black wire for lights. Follow the same step for ceiling fans without lights.
Takedown request   |   View complete answer on homedepot.com


Does blue go to black or white?

Brown is your hot wire so you want to connect that to your building's black wire. The blue is negative or return, so that will go to white. Green with yellow stripe is the ground and will go to the building green.
Takedown request   |   View complete answer on ledlightexpert.com


Which wire goes with the blue wire?

Blue & Yellow

Blue wires are used as travelers, usually on three- or four-way switches (controlling a light from multiple locations) or as switch legs for things such as fans or lights. Yellow wires are almost always used as switch legs for outlets, fans, or lights.
Takedown request   |   View complete answer on nickleelectrical.com


Is blue wire same as white?

Black wires are hot wires that run to the electrical outlet from the switch. Red wires are hot wires common in a 240-volt outlet or when a wall switch controls the outlet. Blue and yellow wires are hot wires for ceiling fans and three- or four-way switches. White or gray electrical wires are neutral wires.
Takedown request   |   View complete answer on angi.com


What does the blue wire connect to in a light fixture?

If the light can be turned on or off from switches at each side of the room, you'll see a blue wire that connects the electrical circuits for three-way switches. In some cases, it may run through the electrical box where the existing light is installed, but it is only a switch wire and not a wire for the light.
Takedown request   |   View complete answer on homeguides.sfgate.com


What are the correct electrical wiring colors



What is a blue wire in electrical?

The blue wire also referred to as the neutral wire, has the function of transferring electricity away from the appliance. The brown wire, otherwise known as the live wire, transfers electricity to the appliance. The combination of these wires is referred to as a circuit.
Takedown request   |   View complete answer on uk.rs-online.com


Does blue go to black wire?

If you only have one switch, connect the black and blue wires. The black and blue wires need to be connected. You will be able to control your fan and lights with a single switch.
Takedown request   |   View complete answer on homex.com


Is blue and black positive or negative?

A blue wire should be connected to a positive terminal and a black wire should be connected to a negative terminal in a two wire system.
Takedown request   |   View complete answer on homex.com


Is blue or black live?

The live wire is brown in new systems and red in old systems. The neutral wire is blue in new systems and black in old systems.
Takedown request   |   View complete answer on skillstg.co.uk


Does black wire go to blue or brown?

Answered by Dave, Electrical Safety Expert

The live Red becomes Brown. The Neutral Black becomes Blue.
Takedown request   |   View complete answer on electricalsafetyfirst.org.uk


Is a blue wire positive or negative?

The blue wire is negative while the white wire is positive.
Takedown request   |   View complete answer on homex.com


Is black and blue wire the same?

The neutral black has been replaced by blue. The line red and has been replaced by brown. The earth is still identified by green and yellow.
Takedown request   |   View complete answer on electriciancourses4u.co.uk


When hooking up a ceiling fan where does the blue wire go?

The blue wire from the ceiling fan gets connected to the second live wire from the ceiling. This second wire can vary in color but is most commonly red or black. This connection allows you to power your lights from the second switch. Connect the white grounded wire from the ceiling to the white wire from the fan.
Takedown request   |   View complete answer on advancedceilingsystems.com


What are the colors for electrical wiring?

U.S. Electrical Wiring Color Codes
  • Phase 1 - Black.
  • Phase 2 - Red.
  • Phase 3 - Blue.
  • Neutral - White.
  • Ground - Green, Green with Yellow Stripe, or Bare Wire.
Takedown request   |   View complete answer on graphicproducts.com


Is white wire positive?

Recognize that the black wire is the positive one, the white wire is the negative one, and the green wire is the ground. You may see a copper wire instead of a green wire for the ground.
Takedown request   |   View complete answer on wikihow.com


What are the wire color codes?

3-Phase Wire Color Codes
  • Phase 1 – Black wire.
  • Phase 2 – Red wire.
  • Phase 3 – Blue wire.
  • Neutral – White wire.
  • Ground – Green, Green with a Yellow Stripe, or Bare Wire.
Takedown request   |   View complete answer on bradyid.com


Does black go negative?

One is marked positive (+), the other negative (-). There are also positive and negative cables in the jumper cable set. The red one is positive (+), the black one is negative (-). Never connect the red cable to the negative battery terminal or a vehicle with a dead battery.
Takedown request   |   View complete answer on autobatteries.com


Is blue live on a plug?

Live, neutral and earth mains wires

The plug contains three wires – the live, neutral and earth wires. In a plug, the live wire (brown) and the neutral wire (blue) are the two wires that form the complete circuit with a household appliance.
Takedown request   |   View complete answer on bbc.co.uk


Why is there a blue wire in my outlet?

Blue and yellow are usually live wires that are placed in conduits. They do not typically carry power directly to outlets. Yellow wires are usually switched legs for fans and light switches. Blue wires usually work as travelers for three-way and four-way switches.
Takedown request   |   View complete answer on sescos.com


What is the blue wire for on my LED lights?

The Blue wire on the Smartphone Controlled Motorcycle Box is for the automatic brake lights. The automatic brake light feature illuminates all installed LEDs in red mirroring the motorcycle's brake lights, safely signaling other motorists on the road.
Takedown request   |   View complete answer on support.ledglow.com


What is the blue wire in a ceiling light fixture?

The blue wire is the hot wire for the ceiling fan light fixture. The ceiling fan motor does not have a ground wire.
Takedown request   |   View complete answer on homeguides.sfgate.com


What wires go together on a ceiling light?

Typically, a black wire always connects to a black wire, and a white wire connects to the white wire. The green wire connects to a ground screw inside the ceiling box. Connect ceiling light wires using a method that saves time and makes the job easier.
Takedown request   |   View complete answer on homeguides.sfgate.com


Which wire is hot blue or white?

Blue and yellow wires are sometimes used as hot wires and as travelers, green wires (and bare copper wires) are ground wires, and white and gray wires are neutral.
Takedown request   |   View complete answer on pacmanelectric.com
Previous question
Is rosewood a hard or soft wood?