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All the sockets in the house trip as soon as they are used, what is the reason? The old electrician teaches you step by step, practical electrician technology!
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At this time, it may be because the voltage of your electrical appliance is too high, and then the plug at home may not be able to withstand it, at this time you can plug it into the main plug, so that there will be no such tripping situation.
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Check to see if there is a problem with the plug. If it is plugged in any socket and there is a tripping behavior, there may be a problem with the plug and it needs to be repaired.
If there is no problem with the plug, then there may be a problem with the wiring and the wiring needs to be inspected and repaired by a professional.
If the voltage of the electrical appliance used exceeds the rated voltage of the plug, the problem of tripping will also occur, and then it is necessary to replace the electrical appliance and use the electrical appliance within the rated voltage.
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1.Incorrect wiring of the socket may cause tripping while in use. This is usually the case with newly installed outlets, such as the reverse connection of the neutral and ground wires.
If the upper circuit breaker is a leakage protector, it will be judged as leakage tripping when used. If there is a short circuit or leakage fault inside the appliance, it will trip when plugged into the socket. The leakage protection device has overload, short circuit and leakage protection functions.
If the appliance used has a short circuit or leakage fault, the circuit breaker will trip while in use. For example, the circuit breaker for a branch circuit is a 10A air switch.
2.If the power of the electrical appliances on this branch is exceeded, it will be overloaded and tripped when in use. How to choose a socket branch circuit breaker, there are too many socket branch appliances, it is best to use a leakage protector.
p 220 = i total, the rated current of the circuit breaker can be times the i total. Leaking lines on the outlet branch. If there is leakage in the wires of the socket branch, the leakage protector will not trip because the leakage current does not reach 30 mA.
But as soon as the appliance is plugged in, the current transformer trips. In daily life, never touch the socket directly with wet hands.
3.When there is water on your hands, if you touch the socket directly, it is easy to cause an electric shock accident. If the user wants to pull the plug, he should not grab the wire by hand, but should grasp the position of the plug, pull down hard, and pull the plug directly.
If the plug is used too many times, it can easily cause the wire to break. In daily life, we should try to avoid using sockets that have exceeded their service life, because sockets also have a service life. Once the socket position of the socket is found to be loose, the plug is often plugged in with poor contact.
4.It means that the components inside the socket have been damaged and aged, that is, the service life of the socket has expired, and the socket should be replaced with a new one. The three connecting holes on the socket will be marked, L is connected to the live wire, the neutral wire is connected to the connection hole of N, and the symbol of the ground wire is PE.
If not marked, the industry's unified standard connection method is: the front of the socket is facing itself, the left side is connected to the neutral wire, the right side is connected to the live wire, and the upper hole is grounded.
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It may be due to an inappropriate power supply. It is also possible that the power of the appliance is too large, and it is possible that the socket is broken. That's why it trips.
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The power of the appliance is too large, there is a short circuit inside the appliance, there is a problem with the socket, and the neutral wire is broken.
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If the household socket trips, usually, there are three aspects, the first aspect is the fault of leakage, the second aspect, if it is said to be plugged in and tripped, then it is because of the damage to your electrical appliances The third aspect is that the electrical appliances are too large and cause the socket to trip. It is recommended that you check whether the electrical appliances in your home are overloaded.
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The empty opening of the socket is always tripped, because the electrical appliances on the socket or the socket itself have leakage. Check:
1. Unplug all the electrical appliances on the socket, close the air open, if the air can be closed, it means that a certain electrical appliance is leaking. Plug in the electrical appliances one by one, and find that a certain electrical appliance is empty and tripped, indicating that the electrical appliance is leaking.
2. After unplugging all electrical appliances, it still can't be closed and opened, which means that there is a problem with a certain socket. If there is a ground plug at home, it should be checked emphatically, because the floor is often mopped, and it is easy for moisture to enter the ground plug, and the floor plug has a high possibility of leakage.
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The leakage protector plays the function of overload, short circuit and leakage protection. If the electrical appliance used has a short circuit or leakage fault, it will cause the circuit breaker to trip when it is used. 3. Overload tripping:
For example, the circuit breaker of the branch is a 10A air switch, if the power of the electrical appliances on this branch exceeds it, the empty opening will overload and trip when it is used. The method of selecting the circuit breaker of the socket branch is that there are too many electrical appliances in the socket branch, and it is best to use a leakage protector. P total 220 = i total, the rated current of the circuit breaker can be selected as the total number of i.
4. Leakage of the socket branch: If the wire of the socket branch has leakage, because the leakage current of 30 mA is not reached, the leakage protector does not trip, but after plugging in the electrical appliance, the current will trip immediately.
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Generally, there are two situations: 1. Leakage tripping; When using an electrical appliance, it does not trip at the beginning, and it trips after a while, indicating that the thermal stability of the electrical appliance deteriorates and leakage occurs, causing the socket to trip. 2. Load tripping; If more current is used on the socket line, it will trip to protect the circuit.
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The first thing to see if there is leakage? Overload phenomenon, it is recommended to unplug all the external power supply and electrical equipment, and then close to test it, if there is no tripping situation, that is your own external line problem, this suggestion to see if there is any leakage of all the socket socket electrical appliances? However, I would like to emphasize here that it is best to find a professional to help, from the point of view of safety and quality, it is absolutely important.
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Dear, there are several situations in which your inquiry leakage tripped:
1. Socket leakage, the gate has a self-protection function, and if leakage occurs, it will automatically trip! It is recommended to replace the socket!
2. Your socket plug is two, not three, there is no ground wire, leakage tripping is a protection function, it is recommended to replace the socket.
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Air switch tripping is generally a load short circuit, and the load current exceeds the rated current of the empty open for a long time. The former finds the short-circuit point, and the latter increases the rated current value of the empty opening under the premise that the cross-sectional area of the conductor allows.
Leakage protector tripping is when the load leakage current exceeds 30mA, short circuit, and the load current exceeds the rated current for a long time. The former finds out the causes of leakage and short circuit, and the latter increases the rated current value of the leakage protector under the premise that the cross-sectional area of the wire allows.
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There should be some household leaks, which are caused by it, ask an electrician to check it.
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Focus on checking the power cord and load of the outlet, if not'Leakage, or overload, if the load is very small, it is basically caused by leakage!
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Generally, there are two situations, one is leakage tripping, and the other is overload tripping. Judging by the number of household appliances you write about, the power will not be overloaded, unless the switch is not good.
1. It should be that the leakage protector of the socket is empty and detects a large leakage current that causes tripping, because there are many household appliances on the socket line in your home, and there is part of the leakage current during normal operation.
2. If it usually does not jump and trips or is easy to trip when using an electrical appliance, it means that the electrical appliance has a leakage or a place with poor insulation;
3. If a certain line is used as long as it is used, that is, a certain line jumps once it is supplied with power, it means that there is a leakage of this line;
4. If an electrical appliance does not jump at the beginning when it is used, but jumps after a while, it means that the insulation of the electrical appliance is aging, and the thermal stability deteriorates and leakage occurs;
5. If it is when using electrical appliances with relatively large power consumption or more electrical equipment in use at home, it trips at this time, it means that the rated current of the tripped air switch (household PVC air switch or leakage protector) in your home is small, and you should replace it with a suitable leakage protector with a relatively large rated current.
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Sometimes you may use more than two high-power appliances at the same time, such as rice cooker and electric kettle. You can stagger this time and don't use it at the same time. Or try a different air switch.
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Hello, I have inquired about the reason why the socket power supply often trips: there are generally two situations, one is leakage tripping, and the other is overload tripping. 1. There should be many household appliances on the socket line at home, and part of the current load is generated during normal operation, and the current tolerance of the line itself is limited, and when the trip current limit is reached, there will be a trip situation.
2. If it usually does not jump and trips or is easy to trip when using an electrical appliance, it means that the electrical appliance has a leakage or a place with poor insulation; 3. If a certain line is used as long as it is used, that is, a certain line jumps once it is supplied with power, it means that there is a leakage of this line; 4. If an electrical appliance does not jump at the beginning when it is used, but jumps after a while, it means that the insulation of the electrical appliance is aging, and the thermal stability deteriorates and leakage occurs;
Hope it helps.
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There are two reasons for tripping, one is overvoltage, which is more than the voltage that can be withstood by the empty opening, and the other is overcurrent, which is more than the rated current of the empty opening.
First, check the line tripping first to check whether the voltage at the incoming end is normal, generally use a multimeter, the normal voltage at the incoming end is between, that is, the so-called 220 volt voltage. If the voltage is too high, be sure to find the property to check, the power incoming voltage is too high, which is very dangerous, generally occurs"Three-phase four-wire"system of electricity supply for residential hugs. At this time, see if both wires are electrified.
Second, see if the neighbors on the left and right also trip.
3. Use a multimeter to measure the incoming line voltage.
Do not forcibly close the low-voltage circuit breaker, otherwise it will burn out the electrical appliances at least and cause a fire at worst. If it is too low, it may be a peak of power consumption, which may cause the terminal voltage to be too low.
The inspection is nothing more than three items, empty opening, lines, and electrical equipment.
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How to answer the electric tripping to write an answer to 559 Find the cause of leakage tripping in the family: Suppose the family has a leakage trip, and you don't know where the problem is, you can find it according to the following steps: 1. Turn off all the switches and pull out all the electrical plugs, including the basement and other places that you don't pay attention to.
2. Close the main switch to test whether the main circuit is intact, if it is no longer tripped, it means that the main circuit is intact. If it trips, it proves that the problem is in the main circuit, and it is necessary to further disassemble the line to find it in different areas, and it is recommended to find a professional electrician. 3. After the main circuit is powered, the power is transmitted one by one, and the interval between each switch is half a minute.
After the switch is sent, plug the electrical cords into the wall socket one by one, and each plug is plugged in half a minute apart. If a trip occurs when a switch is closed or an appliance is plugged in, the leakage point has been found. When the cause of tripping is found, a leakage circuit breaker is used for leakage protection in the line with a rated voltage of 230V 400V and a rated current of 63A.
When someone is electrocuted or the leakage current of the circuit exceeds the specified value, the leakage circuit breaker can automatically cut off the power supply to ensure personal safety and prevent accidents caused by leakage current in the equipment. The leakage circuit breaker has the function of overload and short circuit protection, which can be used to protect the overload and short circuit of the line, and can also be used for infrequent conversion of the line under normal circumstances.
The question wasn't asked because I hadn't turned it on for a long time.
The answer is that it trips as soon as the TV is turned on, not necessarily the problem of aging of the air switch, it depends on what kind of brake is tripped. If the leakage switch trips, it may be that the socket is wired incorrectly, the ground wire and the neutral wire are reversed, or it may be that the neutral wire connected to the socket leaks electricity to the ground, and as soon as the TV is turned on, the current flows through the ground wire and trips. Can be plugged into a small power rice cooker verified:
If the rice cooker trips as soon as it is turned on, it means that the socket is connected to the wrong wire or the neutral line is leaking, not that the switch is overloaded.
The question line is all right.
It's the TV that trips.
That is, the voltage in your home is too low. It shouldn't be up to the standard used for that TV set.
Question: It used to be normal, but now it can't be turned on, is it because the TV is damp? What else is the reason?
It's the wires inside the TV.
Question: Once you have waited until the sky is dry, you can open it, is it the reason for the line?
Hello answer, here is an explanation for you. If the circuit is aging, it is not that it cannot be turned on all the time. It's that sometimes he breaks down, and sometimes he gets better. However, he is particularly prone to breakdowns. It can't be stable all the time.
I'm happy to answer your questions, dear.
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Answer: There are two main reasons for the tripping of sockets at home. One is a load exceedance, and the other is a short circuit in the line. If some household appliances are turned off and still tripping, it means that the line is short-circuited, please find a professional electrician to repair it.
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Yes, as long as there is not too much on the line, if the outside insulation is also less, just change to a new one, if the insulating plastic is not burned, disassemble, see, the three holes are divided into zero wire, live wire, and ground wire, with a voltage tester to measure, generally less wiring, just connect on the line. It's very simple, give full play to the spirit of DIY, low-carbon life!!
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