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What else can I help you with?
When phase and neutral are glowing what is the problem in circuit?
There is more current flowing and the wire can not flow that much current.
What is the purpose of the load line neutral in an electrical circuit?
The purpose of the load line neutral in an electrical circuit is to provide a return path for the current flowing from the load back to the power source, ensuring proper functioning of the circuit and safety of the electrical system.
Do gcfi breakers operate with only hot and neutral ?
yes. A GFCI monitors the amount of current flowing from hot to neutral. If there is any imbalance, it trips the circuit.
What does a GFCI measure?
A Ground Fault Circuit Interrupter (GFCI) measures the amount of current flowing from hot to neutral. If there is an imbalance it will trip and shut of power. It can detect and imbalance of as little as 4 milliamps. It reacts in 1/30 th of a second.
Can ammeter be connected in neutral wire?
No, an ammeter should not be connected in the neutral wire of a circuit. It should be connected in series with the load on the live wire to measure current flowing through the circuit accurately. Disconnect the power source before connecting an ammeter and always follow safety guidelines when working with electrical circuits.
When live neutral wires in a domestic circui t come in contact with each other what occurs?
If the live and neutral wires come into contact the circuit is completed and a current will flow. Since there is no appliance in the circuit and the resistance in the wires is low the current will rapidly rise to high levels. Typically a safety device, a fuse or circuit breaker, will then react and stop the current flowing. The reaction speed of the safety devices is normally not quick enough to prevent a shower of sparks (molten metal) and melt damage to the wires where they touched.
How can I test the neutral wire in an electrical circuit?
To test the neutral wire in an electrical circuit, you can use a multimeter set to measure voltage. First, turn off the power to the circuit. Then, place one probe of the multimeter on the neutral wire and the other probe on the ground wire. If the multimeter reads a voltage close to zero, the neutral wire is functioning correctly. If there is a significant voltage reading, there may be an issue with the neutral wire.
What is the name of the device that senses the current flowing tripping the circuit and cutting off the electricity?
The device that senses the current flowing and trips the circuit to cut off electricity is called a Residual Current Device (RCD) or Residual Current Circuit Breaker (RCCB). It detects imbalances between the live and neutral wires, which can indicate a leakage current, and disconnects the circuit to prevent electric shock or fire hazards.
How can I use a multimeter to test for an open neutral in an electrical circuit?
To test for an open neutral in an electrical circuit using a multimeter, set the multimeter to measure AC voltage. Then, place the black probe on the neutral wire and the red probe on the hot wire. If the reading shows a voltage close to zero, the neutral is likely open.
Why does the phase t neutral read 69 volts on a 120 volt circuit?
Assuming you are using the correct meter with true RMS you most likely have a loose neutral somewhere in the circuit. Try to measure from hot to ground. If this measures 120V then you most likely have a loose neutral somewhere.
Is the voltage on a 120 volt fluorescent lighting circuit the same from line to neutral and line to ground?
Yes, to the precision you can measure it. If it isn't you need to check the ground to neutral bonding at main panel and check the wiring in the circuit for loose connections.
Why does the grounded wire not measure current when tested even though it is returning the same amount delivered?
By grounded wire, I assume you mean the neutral, which does normally carry current, as opposed to the ground or earth wire, which never carries current except during a fault condition. It does, actually. Current flowing through a wire doesn't know or care whether the wire is grounded. Current is current, and an amprobe or other instrument will measure it. If the neutral is mart of a multiwire circuit, where it serves more than one hot wire, you can run into a 'balanced load' condition. This is where current flowing in one hot wire flows out the other, and not the neutral. For example, take a typical US 120/240 volt utility service, with two hot wires and a neutral. Connect a 1200 watt heater to phase A. You would measure 10A on phase A, 10A on the neutral, and zero current on phase B. Now add a 600 watt heater on phase B. You would measure 10A on phase A, 5A on phase B, and only 5A, on the neutral. The 5A flowing in phase B also flows in phase A, 'stealing' current from the neutral. Now, remove the 600 watt heater from phase B and replace it with a 1200 watt heater. Now you would measure 10A on phase A, 10A on phase B, and zero current on the neutral. The two 10A currents on the two hot wires balance each other out, leaving no current left to flow in the neutral. This is why the NEC allows hot conductors from different phases to share a neutral, because the current can never exceed one circuit's current. As you load up both hots equally, the neutral current reduces. This is a common reason why you would see zero amps on a neutral. But if the current flows, you can and will measure it, even on a neutral. Oh, also be sure you don't have an alternate path to ground! If there is a ground fault or miswired connection, maybe there is ground current flowing, just not in the wire you think!
