All Questions
9 questions
0
votes
1
answer
243
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Correct configuration for adding an earth terminal block?
I have a small motor controller test board setup like the diagram below:
A few loads such as a motor controller, and some switches are connected to the live and neutral terminal blocks for power. ...
1
vote
2
answers
105
views
Is there any way to easily gain access to "actual ground" in an IT grounding system?
As the title asks, is that possible? By "easy access" I mean through some connection I can find inside my home, rather than burying my own grounding electrode and running wires from it to ...
- 186
0
votes
1
answer
926
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How a high Earth to Neutral voltage affects electronic equipment like L2 or L3 switches? [closed]
We have lot of communication equipment installed recently in our organisation. From then, lot of pressure on us to reduce Earth to Neutral voltage at the input of our communication equipment like L2 ...
0
votes
1
answer
268
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Connect the oscilloscope to equipment with a common neutral and ground
I watched a video. At 3 minutes, the situation is shown when neutral and ground are joining. Why can this be dangerous? If we are talking about an oscilloscope, the crocodile must already be connected ...
- 23
1
vote
1
answer
561
views
Why is earth at 0 V with respect to phase?
In 3 phase transmission lines we have different voltages depending on how we measure it. Phase to phase voltage is going to be 1.73 times more than phase to neutral. So far I understand everything ...
- 511
1
vote
4
answers
6k
views
Neutral and the earth are bonded at the main panel or the substation but why is only earth wire used for safety?
Typical distribution system can be illustrated as:
Here are my premises (and assumptions):
1-) Chassis in a house must be connected to the earth, not to the neutral.
2-) The earth and the neutral ...
- 1,905
0
votes
4
answers
694
views
In any electrical equipment having single ph 230 v ac supply ,if neutral and earth wire exchanged then what will be the consequence
I am handling the supply in a locomotive coach and have noticed that the neutral and earth wires have been accidentally flipped,inside the appliance(hot case) is there a problem from the safety point ...
- 13
40
votes
5
answers
38k
views
Why don't we use neutral wire for to ground devices and earth wire for closing the circuit?
I know that the neutral point of a distribution transformer is connected to the grounding (earthing) wire, so I think they are the same.
Can I use the neutral wire for protecting metal-cased electric ...
- 3,854
1
vote
2
answers
3k
views
What is the difference between neutral and ground?
What is the difference between neutral and ground? I do not understand the difference.
- 11