All Questions
10 questions
-1
votes
0
answers
38
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400v on 240v system with 60v with earthing leak on [closed]
I have a 240V system, but when probing phase-neutral i receive 60v, at the same time if i probe phase-ground i receive 240v. However when the earth leaking is tripped i receive 400v on phase-neutral ...
- 11
4
votes
8
answers
2k
views
Can't the electric current returning from the neutral end of the electrical cables be used again?
I am someone who has little knowledge about electricity, but I have something I am curious about. I could not find the answer by searching on the internet.
If the electric current comes from the phase ...
- 71
0
votes
1
answer
84
views
Transformer Input Wiring Question
I apologize for the basic question, but I just bought a transformer with the following specifications. On the input side, there are two black wires and two red wires. Here is a photo.
And here the ...
- 67
-1
votes
1
answer
78
views
I have so many questions about this method of grounding in this video? [closed]
https://www.youtube.com/watch?v=G8JgS-STozA&t=537s
First, I apologize this video is in a different language, but I'll point out what is relevant.
So, in this video. There is a man saying that his ...
- 15
-1
votes
1
answer
82
views
Does the center tap of a single phase distribution transformer get bonded to the grid neutral? [duplicate]
Here are the two wiring diagram.
- 15
0
votes
2
answers
129
views
Is this how a single phase transformer is connected to multiple houses? [closed]
Single phase transformer serving 3 houses:
I am not sure if this correct. Can someone confirm?
- 15
0
votes
0
answers
86
views
3 phase motor, star wiring, neutral
Consider a normal 3 phase motor with star/delta, focusing on the star wiring here... what would theoretically happen if I placed a neutral wire from the star connection contactor, to the electrical ...
- 11
0
votes
2
answers
42
views
Using central heating pipe to detect neutral line with a multimeter
I'm exploring the capabilities of my cheap Aneng SZ08 multimiter, which I've recently purchased. I have a question related to the detection of a neutral line in the wall socket using a multimiter. ...
- 43
2
votes
1
answer
1k
views
Odd voltage readings between phase-ground, phase-neutral, neutral-ground
Recently i tried gathering voltages from few AC outlets in my house. I got following readings using a dmm
Phase-Ground = 398V-400V (should be around 240V)
Phase-Neutral = 230 V
Neutral-Ground= 210 V ...
- 25
0
votes
1
answer
10k
views
when does the neutral wire in a 3 phase system carry voltage?
I am curious, and I've found a bit of information online, but maybe its not clicking in my head... when does the neutral line in a 3 phase system carry voltage.
i do understand the answer is quite ...
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