i just want to know that what is a newtral in a electrical engineering . how can we get it . what's work of it . what is the main purpose to get it.
Last edited by a moderator:
This was neither feedback nor a suggestion, so I have moved it to a more appropriate forum.Feedback and Suggestions Forum for providing feedback and suggestions about All About Circuits, including corrections to the e-book. This forum is not for getting help with technical questions.
QFT. Note I said "should be" safe to touch. Before actually touch it test it.Just a tip..
NEVER assume that the electrician wired it (outlet/switch,etc..) properly in the first place..
You should ALWAYS be alert and treat the neutral to be just as dangerous as the hot lead.. In the perfect world the neutral should be safe and is never mistakenly switched.. This world ain't perfect. Treat both wires as dangerous.
Uh, not sure that is quite right, I highlighted the part I have a little problem with in red. Hot, Neutral, Ground. Neutral and Hot carry the same amount of current, until they hit either the breaker box or the pole. I understand split phase well.<snip>
A neutral primary function is to balance voltages in a multiphase circuit.
The fact that it carries any current, makes it unsafe to touch.
Considering the definition, If one throws a breaker, that will render the hot side of an open load termination dead. However, a neutral will still be connected (via a load) to another phase. Be aware of this as it has important implications.While I do not consider Neutral safe, it should never be more than a volt or 3 above ground. I do not consider it safe because of potential wiring errors that could render it hot (even when dead), but when the power switch is turned off on a correctly wired system it will be very close to the same potential as ground.
The OP queried 'neutral'. What you describe is not a neutral.From the point of view of a 120VAC outlet there is only one phase. There is a larger picture, which is what you are talking about, but until that specific leg hits the common point it is only one phase. This is the part the OP is interested in as I read it.
That's the 'bond', not the neutral. The neutral is 'bonded' to earth via a suitable electrode, which is often copper water piping before the meter.The neutral is most often connected to the water drain pipes in houses. So you may get "connected" to it more often than you know
Oh I see a bit of a language confusion. Then I learned about this way back in time in Norway. This naming convention from IEC 60446 was not adopted. We used two "hot" wires and a protective conductor. Normally named earth. In a 3 terminal mains connector. It was no rule saying how to connect the wires other than the earth connection of courseThat's the 'bond', not the neutral. The neutral is 'bonded' to earth via a suitable electrode, which is often copper water piping before the meter.
By reading this I also understand my confusion better. http://hyperphysics.phy-astr.gsu.edu/hbase/electric/hsehld.html This is far from the standard used in my country. The standard used in my country is compatible with the 240 volt receptacle. And the use of a transformer is not common in single-unit houses since the grid is 230 volt. In the picture (linked web site) the "neutral" has the function of the protective earth/ground. But in my country this would be the protective earth/ground cable (green/yellow) connected to the water pipes.yeh, probably another 'regional' speak. I'll tone it down, but I do believe it's justified to reduce confusion.
He could actually be correct in some instances. I cannot comment about 120V AC systems as I know nothing about them.That's the 'bond', not the neutral. The neutral is 'bonded' to earth via a suitable electrode, which is often copper water piping before the meter.
Thread starter | Similar threads | Forum | Replies | Date |
---|---|---|---|---|
I | Basic question about ground and neutral in AC system | Power Electronics | 44 | |
Z | Basic AC Neutral Question | General Electronics Chat | 9 | |
D | Another low voltage hot neutral question | General Electronics Chat | 66 | |
L | Ground Neutral Question | General Electronics Chat | 21 | |
D | Ground v. Neutral Question (Again) | General Electronics Chat | 9 |
by Aaron Carman
by Jake Hertz
by Duane Benson