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Anonymous users2024-02-12The sound of the main switch of the power supply at home is because the air open contact is not good, it may be due to loose wiring or contact oxidation caused by bad contact, you can re-tighten the pressing screws, if there is still a hissing sound after tightening, it is recommended to replace the air open, eliminate potential safety hazards.
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Anonymous users2024-02-11The light switch has a current sound that is poor contact.
If you hear the sizzling sound of the light switch, it is due to excessive current and electric sparks caused by poor contact, which can damage the copper sheet and cause a fire. Therefore, in the process of using the socket, it is necessary to check whether the contact between the plug and the switch is good in time, and if a problem is found, it is necessary to replace the new socket of ***. At the same time, if the copper sheet is deformed and falls off or loses its elasticity, it is also necessary to adjust or replace the socket in time to prevent the hidden danger of safety macroburiation.
Considerations for choosing a light switch:
When choosing a light switch, there are many factors to consider. First of all, it is necessary to choose a special style switch such as waterproof, moisture-proof or high-temperature resistant according to the use environment. Secondly, it is necessary to choose single-control, dual-control or three-control switches according to various scenarios and needs.
Also choose the style and color according to your personal preferences and decoration style. In addition, it is also necessary to pay attention to the quality and credibility of the switch, and avoid choosing inferior brands and substandard products to ensure the safety of household electricity. <>
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Anonymous users2024-02-10The circuit breaker (air switch) makes a squeaky sound, and the possibility of virtual connection and loosening of the internal mechanism is generally considered. 2. Troubleshooting 1. Open the circuit breaker, check whether the connector is loose or the wiring is virtually connected inside the circuit breaker, and find out the fault point and re-tighten it. 2. If necessary, you can replace it with a new circuit breaker 1
The sizzling sound is due to poor contact with the air opening, and it may be due to loose wiring or oxidation of the contacts.
2.You can re-tighten the hold-down screws, if there is still a hissing sound after tightening, it is recommended to replace the empty opening to eliminate potential safety hazards.
A buzzing sound from an AC molded case circuit breaker?
A buzzing sound from an AC molded case circuit breaker?
Xiaoyi is a ball.
A buzzing sound from an AC molded case circuit breaker?
The reason for the sound may be that the current is large, and the large current forms a large magnetic field, and there are sound made by the metal fittings that are not firm. There is also a situation where the current is too large and the contact pressure is too small and the current sound is emitted. The appearance of sound has a lot to do with the material of the circuit breaker, and this phenomenon is generally not allowed.
In fact, it is normal that the circuit breaker can not be closed after the circuit breaker just tripped, because there are three bimetals in it that will not be able to open and close against the mechanism in the case of overload, and it is necessary to wait for the circuit breaker to cool down for 10-30 minutes before operating, if it still cannot be opened and closed, it is the circuit breaker mechanism is damaged.
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Anonymous users2024-02-09The air switch should be replaced in time if it does not trip, because it will sound because of the poor contact inside, and there are potential safety hazards if it is used again.
1. Sound description: there is leakage but does not reach or exceed the rated action current of the leakage protection switch.
2. If it trips, it means that the leakage current reaches or exceeds the rated action current.
3. There is a slight leakage phenomenon in the line, and it is necessary to find out which way there is leakage and eliminate it.
Leakage protector can be classified according to its protection function, structural characteristics, installation mode, operation mode, number of poles and wires, action sensitivity, etc., here the main can be divided into leakage protection relay, leakage protection switch and leakage protection socket three kinds.
If there is a sound, it means that there is a leakage phenomenon, but it does not reach or exceed the rated action current of the leakage protection switch, and if it trips, it means that the leakage current reaches or exceeds the rated action current. According to what you said, there is a slight leakage phenomenon in the line of your home, and it is necessary to find out which road has leakage and eliminate it.
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Anonymous users2024-02-08It's overloaded, it's too small, hurry up, change to a large ampere, and generally use 40 amps at home
Split circuit sockets with 30 amps
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Anonymous users2024-02-07Reason: 1. The sizzling sound of the air switch indicates that the air opening current is too large, and it is recommended to check whether the current on the load side of the air switch is normal.
2. Of course, there may also be poor contact, check whether the wiring screw is loose, be sure to tighten it with a spike, otherwise it is easy to burn out the contacts of the air switch.
3. If it trips, it means that the leakage current reaches or exceeds the rated action current.
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Anonymous users2024-02-06What is the reason why the switch has been sizzling? There could be the following reasons:1.
The power input waveform is not good. 2.Improper adjustment of output voltage3
Transformer coil problem 4The switching transformer core is loose, and the oscillation frequency decreases due to the change in the parameters of the timing element. 5.
This phenomenon occurs in many no-load or light-load power supplies. At this time, the power supply works in intermittent drive or low frequency, which is the reason for the design of the power supply, so the load requirements of the general power supply are minimum. 6. High-frequency interference, change places, do not operate in industrial places.
7.There is a problem with the internal capacitance. 8.
The load is too heavy. High switching current and low frequency9There is no problem with the voltage drift of the circuit.
In general, the coupling capacitance of switching signals is reduced, resulting in high switching currents and low frequencies. The solution to the purple noise problem set: Turn off the main power switch in your home and then turn it on.
The sound comes from two parts: First, the screws of the terminals are loose and can be tightened. Then, the internal dynamic and static blades of the switch are not in good contact and the switch needs to be replaced. @2019
This is due to the fact that the engine oil has not reached the individual parts that need to be lubricated, and the engine has not been affected by adequate lubrication. This sound disappears when the engine oil has completely lubricated the engine or the engine has reached normal operating temperature. >>>More
There are two main causes of heating: one is that the circuit is overloaded and the current through the circuit breaker is too large. The second is whether the contact of the inlet and outlet lines of the circuit breaker is loose, and check whether there is a false connection, which is also the main reason for heating.
It means that your building is poorly insulated and the developer is cutting corners.
<>1. Generally, under normal circumstances, it is the sound of the valve or camshaft, why is there a valve sound, because when the engine is running, the intake valve and the exhaust valve will be opened alternately, the intake valve is opened to inhale the combustible gas mixture, so as to facilitate the combustion in the cylinder to promote the engine to run, the exhaust valve is opened to discharge the exhaust gas produced after the combustion of the mixture, 2. The structure of the valve is attached to the combustion chamber to play a sealing role, and the cylinder and valve are metal. The separation and fitting of the two pieces of iron from time to time will inevitably produce a collision sound; As for why there is a sound in the cam, it is also because of the structure, generally the cam is there with a friend called the rocker, and there is also a gap between them, and when the engine is working, they will also go back and forth slightly similar to the collision, which is also two iron bumps, and there may also be that sound.
When the car makes a rattling or other abnormal noise when steering, it is basically caused by the aging of the steering power mechanism. The plastic friction in the steering machine, the reduction of steering power oil, the aging of the ball joint of the steering tie rod, the failure of the steering machine and the aging of the tightness of the belt may all cause abnormal steering noise. >>>More