What is live wire and neutral wire?

The live wire carries the current towards domestic appliances and others instruments and the neutral wire emerges from the appliance and carries the current back to source.
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What is the function of live wire and neutral wire?

Solution : The live wire brings in the current while the neutral wire provides the return path for the current.
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Which wire is live wire?

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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Is black neutral or live?

Black Electrical Wires

Any circuit's black wire should be considered live at all times. These wires are often used as a switch leg that transfers power to switches and outlets in all circuits. Black wires are never used for a ground or neutral wire and are meant to be used as the power feed for a switch or an outlet.
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Which wire is which?

US AC power circuit wiring color codes

The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue.
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Live wire, neutral



What color is neutral wire?

The white wire is the "neutral" wire, it takes any unused electricity and current and sends it back to the breaker panel. The green wire (or it can sometimes be uncolored) wire is the "ground" wire, it will take electricity back to the breaker panel, then outside to a rod that's buried in the ground.
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Does neutral wire have power?

To summarize: the hot wire carries electricity from the power supply and takes it to the load (lightbulb). Neutral wires take the used electricity from the load and bring it back to the power supply.
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What happens if neutral wire is not connected?

If a neutral wire gets disconnected, then the appliances will not work, the fan may get burn, choke in the tube may burn, and current starts flowing through the neutral wire. If you insert the tester in the neutral point (socket) then it will indicate like a phase.
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Is neutral wire live?

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. The earth wire (green and yellow) does not normally form part of the circuit and is included as a safety wire.
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What means live wire?

Definition of live wire

: an alert, active, or aggressive person.
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What is the purpose of live wire?

The live wire carries the current to the appliance. The live wire is also called hot wire. Live wire is brown or red in colour. This is the wire through which the current enters an appliance.
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Why is neutral connected to earth?

Neutral is tied to ground to that the potential danger of a short can be sensed and protected against. I think a better example of the importance is a toaster that is shorting mains to it's chassis. If it's grounded the circuit breaker pops every time you plug in the toaster and you either fix it or get a new one.
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Does neutral wire carry voltage?

Voltage is carried by the live conductor, but a neutral conductor is also necessary for two important functions: Serving as a zero voltage reference point.
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Why neutral wire has no current?

Fact 3: The current in the neutral wire is the phasor sum of all the line currents. In a balanced system, when all currents and their power factors are the same, the phasor sum of all line currents is 0A. That's the reason why there is no need for neutral wire in a balanced system.
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What is the purpose of neutral?

Neutral wire carries the circuit back to the original power source. More specifically, neutral wire brings the circuit to a ground or busbar usually connected at the electrical panel. This gives currents circulation through your electrical system, which allows electricity to be fully utilized.
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Can you get shocked from a neutral wire?

The neutral wire does have current going through it. However, we do not get shocked when we touch something with current going through it, we get shocked when current goes through us. In this case all of the current that enters one end of the section of wire we are touching also leaves the other end.
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Is Neutral same as ground?

While a ground wire and neutral wire are connected, they serve different functions in the overall electrical scheme. The neutral wire is part of the normal flow of current, while the ground wire is a safety measure in case the hot wire comes in contact with the metal casing of an appliance or other shock hazard.
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How do I know if I have a neutral wire?

To check if you have a neutral wire, you can pop open a switch box in your home, if you know how to do so safely (you can also have an electrician come do it). If you see a white wire coming out of the gang box, you likely have a neutral wire. If your switch box doesn't have a neutral wire, you have two options.
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How do I identify electrical wires?

An electrical cable is classified by two numbers separated by a hyphen, such as 14-2. The first number denotes the conductor's gauge; the second denotes the number of conductors inside the cable. For instance, 14-2 has two 14-gauge conductors: a hot and a neutral.
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Which color wire is positive?

The coloring is as follows: The positive current must be red. The negative current must be black. The ground wire, if present, must be white or grey.
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What are the 3 types of wires?

Three types of wire used are :
  • live wire ( Red colour)
  • neutral wire(Black colour)
  • earth wire (Green colour)
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What are the 3 types of wiring connection?

The electric power line enters our house through three wires- namely the live wire, the neutral wire and the earth wire.
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What Colour is active wire?

Common colours include white or grey, which are both typically neutral, and black or yellow for active wires.
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