What are the blue and brown wires?

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.
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Which is live blue or brown?

The blue wire is known as the neutral wire, and its job is to take electricity away from an appliance, and back to the power supply. The brown cable – known as the live wire – delivers electricity from the power supply to your appliance.
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Which is positive brown or blue?

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.
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Does black wire go to blue or brown?

Answered by Dave, Electrical Safety Expert

The live Red becomes Brown. The Neutral Black becomes Blue.
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Do I connect the blue wire to the 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.
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What are the correct electrical wiring colors



What color wires go together for a ceiling light?

Black wires always signify the positive, or hot, leg of the current, while white wires signify negative, also called neutral or return. Ground wires are either left bare or covered with green insulation. When there is an extra hot wire, it is red. Ceiling fixtures almost always have a black and white wire.
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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.
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Is blue positive or negative?

The blue wire is negative while the white wire is positive.
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What color wire does blue go to?

Its speed should only vary by use of its built-in controls.) The power supply line (the black wire) should feed both switches and those switches power the fan (black) or the light (blue). To do this method, the wire from the wall circuit to your light has to have three wires.
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What do wire colors mean?

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.
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What wire goes with what?

A black or red-hot wire usually connects to a brass-colored screw terminal or black wire lead on electrical devices. A white neutral wire usually connects to a silver-colored terminal or white wire lead.
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Is the brown wire live?

In situations where both wiring systems are present, remember that: The earth wire will be green and yellow (or sometimes bare in old systems). 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.
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Is blue active or neutral?

Blue = Neutral

The neutral wire colour is blue. The neutral wire transfers electricity away from the appliance to avoid overloading. It is located at the end of the circuit for connection after the electricity has flowed around the live and earth wires.
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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.
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What is the color code for 3 phase wiring?

The color code for AC power wiring is similar to the code used in the United States: Phase 1 - Red. Phase 2 - Black. Phase 3 - Blue.
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Where does blue wire go on ceiling fan?

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.
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What are the 3 wires in a light fixture?

A standard box for a light fixture will have three wires, a white (neutral), black (current), and copper (ground.)
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What's the blue wire on a ceiling fan for?

Blue wire is for the light, if light is included with the fan. White wire is neutral. Green wire is for the ground. Red wire is sometimes included and acts as a conductor to carry power to the light kit.
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Where does blue wire go on light switch?

The faceplate of a single, one-way switch has two terminals: "L1" is the terminal to which the neutral core wire is attached - the blue wire (traditionally black, before the change). "COM" or "Common" is the terminal to which the live core wire is attached - this is the brown wire (formerly red).
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Is blue wire hot or neutral?

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. However, all electrical wires, regardless of their function, may carry an electrical current at some point and should be treated with equal caution.
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How do you match electrical wires?

The National Electrical Code (NEC) says that white or gray must be used for neutral conductors and that bare copper or green wires must be used as ground wires. Beyond that are general, industry-accepted rules about wire color that indicate their purpose.
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