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The neutral wire in your house is one of the most important parts of your electrical system, but it can also be the most overlooked.without neutral line It doesn’t just provide a path for current to travel back to the power source, but it plays many other essential roles as well.
In a normal household circuit, the neutral wire completes a circle that includes the power supply (usually on a pole or in a green case on the street), your light switch and your lights or appliances.without neutral line The loop that is formed by the two wires forms the live (or hot) and neutral connection that is so vital to our modern electrical systems.
Most people know that the hot wire carries electricity from the power source to your appliance or light bulb, and that the neutral takes any remaining energy away from the fixture.without neutral line What many don’t realize, however, is that the neutral wire is also essential for keeping the currents in a balanced state.
For example, if you have three appliances connected in a 3-phase electrical system and the voltage of any one of those phases is higher than the others, the out-of-balance current will flow through the neutral wire.without neutral line This will cause the currents in the other two lines to be different from each other, and this will then shift the star point of the load to a different voltage than it should be. This can also cause the GFCI’s in your home to trip because they will be sensing a fault in the system.
Without the neutral wire, the currents won’t be able to return to the star point of the load.without neutral line This will create all sorts of problems in the system including unstable voltages, unbalanced currents and the possibility of electric shock.
It’s important to note that not all homes have a neutral wire, and this is most common in older houses. Those that do, however, tend to be in areas where there are a lot of receptacles. If you look at the wiring in your house and see a white (or light gray) wire attached to a switch, it’s likely that there is a neutral present. This is because most receptacles in the home are ganged together and a neutral wire is required to connect all of them to each other.
It’s also worth mentioning that you can use 2-wire 240-volt single phase power in your home if you want to, and this does not require the presence of a neutral wire. This system works by using a line conductor and a bare ground conductor instead of the normal line and neutral that you find in most residential receptacles and lighting circuits.
