What happens if the live wire touches the neutral wire?

The path from the live to the neutral wire has very low resistance and will create a short circuit if the large current exceeds the fuse rating. There will be a blow. The earth wire is touched by the live wire.

What is the potential difference between live and neutral wires?

Each wire in the mains cable has an important function: The wire covered in brown plastic is the live wire. This carries the 230 V alternating potential difference from the power supply. The wire covered in blue plastic is the neutral wire and this completes the circuit from the appliance back to the supply.

What is the function of live wire and neutral wire?

The live wire carries the current to the appliance, while the neutral wire carries it back. The earth wire is for our protection, in case the live wire makes a contact with metal casing of an appliance. When this happens, the current will pass to the earth instead of our body, thus saving us.

Which wire is the live wire and neutral?

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.

What happens if hot touches neutral?

The hot wire in residential circuitry carries the electric charge from the power source, and the neutral wire carries the charge back to the source. But if the hot wire touches the the neutral wire without passing through a load, the resistance suddenly becomes very low, and that makes the current flow very high.

What happens if neutral touches earth?

In Short if neutral wire touches a earth wire, An earth wire carrying load current is a risk of electric shock because a person touching this earth may present an alternative path for the load current and thus the risk of electric shock.

Can I use earth as neutral?

It is never safe to use the earth wire as a neutral. Consider Figure 5: the ground wire has broken and anything else connected to it will become life once S1 is switched on. It’s just too dangerous. It will cause potentially fatal confusion to the next person to modify the system.

Is red wire live or neutral?

Answered by Dave, Electrical Safety Expert The UK changed the standard wire colours in 2004: The live Red becomes Brown. The Neutral Black becomes Blue.

Is the neutral wire the same as the Live Wire?

The neutral wire completes the circuit. this wire either! If the wiring is faulty it may be carrying the same electricity as the Live wire. What is the Earth Wire?

When do electrons move from live to neutral?

Assuming a resistive load (imagine a light bulb connected between live and neutral), the mobile electrons in the bulb filament move away from the neutral towards the live wire when the live wire voltage is positive and move from the live wire towards the neutral when the live wire is negative.

What’s the difference between live, neutral, and Earth?

Live, neutral,and earth, are labels that are used to convey some information on the use of each wire. You are correct in thinking that in a typical two wire AC loop/circuit, both wires carry the same amount of current (amps). So, both wires could be considered live wires.

How does AC current apply to live and neutral wire?

So if an AC current means the elctrons are alternating or changing direction in a given time, how does this apply to live & neutral wire, don’t they flow in one direction only? Please answer it as simple as possible, I’m only a high school kid.