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As i know,neutral is the return path of current & ground is for any leakage current

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17y ago

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What is the reading ground to neutral?

Ideally ground and neutral should be at the same potential, but as there is current in the neutral wire and no current (normally) in the ground wire there can be a difference. I have personally measured over 25 VAC on the neutral relative to ground in some systems.


What is the difference between a neutral bar and a ground bar in an electrical panel?

A neutral bar is where the neutral wires from the circuits are connected, while a ground bar is where the ground wires are connected. The neutral bar carries the current back to the power source, while the ground bar provides a path for excess electricity to safely dissipate into the ground.


Should there be voltage between the neutral and ground?

No, ideally there should be no voltage between the neutral and ground wires in an electrical system.


GFCI circuitry often checks for a difference in current between the ground and neutral?

A GFCI monitors the current in the ungrounded (hot) conductor and the grounded (neutral) conductor. If there is more than 6mA of current difference between the two the GFCI will open the circuit.


What is the difference between a ground bar and a neutral bar in an electrical panel?

A ground bar is used to connect the grounding wires of electrical circuits to the panel's grounding system, while a neutral bar is used to connect the neutral wires of electrical circuits to the panel. The ground bar is for safety, while the neutral bar is for completing the circuit.


What is the reason of the existence of a potential difference between the neutral point of the generator and the neutral point of the receiver?

Ground loop current, which is undesirable and every effort should be made to eliminate it.


Could a neutral wire be powered?

There should be zero voltage between neutral and ground.


Will an arc fault breaker work without a ground?

Yes a GFCI will work without a ground wire. A GFCI looks for a current differential between current in on the "hot" wire and current return on the neutral wire. Since current is the same throughout the circuit, no difference, no trip. If the load grounds out or shorts out, the current then takes the path of least resistance through the ground and not the neutral. This creates a difference between the "hot" and return neutral current and the device trips the circuit open.


When you test the outlet you get no current between power and neutral but you get it between power and ground?

There is an open circuit on neutral. You should have power between hot and neutral, as well as between hot and ground. Note well, however, that you should not pull any power between hot and ground, because ground is not intended to be a current carrying conductor - it is only there as a protective earth ground in the case of fault. You can not easily tell, at the outlet, if neutral and ground is reversed - you need to pull a load and then double check with a clamp on ammeter at the distribution panel.


Why we don't get shock if we touch neutral wire..we need two wires to close circuit pH and n when circuit closes current will flow around the circuit and one wire gets shocked other not why?

We don't get shocked when we touch neutral and ground because neutral is grounded back at the distribution panel, so the effective voltage between neutral and ground is very low. It won't be zero, because there is current flowing on neutral, causing a voltage difference between the load and the distribution panel, but it is low enough, assuming there is no malfunction, to not cause a shock.In the case of touching hot and neutral, or hot and ground, you will get shocked because there is line voltage between hot and neutral, and because neutral and ground are connected together, there is also line voltage between hot and ground.Note, however, that connecting a load between hot and ground is a violation of the code and the intent of the design, because ground is not rated to carry current except in short term fault conditions - you must always connect a load between hot and neutral, or between hot and hot, as the case may be.


Differential CT on live and neutral terminal?

A differential CT measures the difference in current between two terminals. When placed on the live and neutral terminals, the CT will detect any imbalance in current flow between them, which can indicate faults or leakage to ground in the system. This can be used for protective relaying or ground fault detection applications.


Why Distance between neutral and groun pin in plug is not same?

The distance between the neutral and ground pins in a plug is not the same to prevent accidental short circuits or contact between the neutral and ground wires. This helps to ensure safety by reducing the risk of electrical shocks or fires. Additionally, it helps maintain the proper functioning of electrical circuits by preventing interference between the neutral and ground connections.