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Basically, the default red wire of normal household wire is the live wire, the blue or yellow line is the neutral line, and the yellow and green wire is the ground wire, which is convenient for future maintenance.
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21. What color is used for the chain wire of the door switch? This should be one red and one black, both focusing on some sales of Haier.
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The neutral wire is black, the live wire is red or the neutral wire is yellow-blue.
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What color is used for the door switch of Haier washing machine zero line live wire is of course red and yellow, each machine has a fixed color, and their products are very high quality, and Haier washing machine is a very famous brand, because this is what I have at home.
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Under normal circumstances, its color should be black or red, which is more common and can achieve a very good effect.
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Hello, if you connect the zero line of fire, you must have a special electrician master to pick it up, and you still don't want to connect it, it is more dangerous.
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The zero line and live wire of Haier washing machine switches are represented by red and white lines. The red line is the line of fire, and the white line is the zero line.
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In general, the zero line of the washing machine switch is black, and the live wire is represented by the red color.
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In general, in a three-phase circuit, the live wire uses three colors of red, yellow, and blue to represent the three live wires, and the neutral wire uses black. In single-phase lighting circuits, yellow is generally the live wire, blue is the neutral wire, and yellow and green is the ground wire. In some places, red is used for the live wire, black for the neutral line, and yellow and green for the ground wire.
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Is the power cord not plugged? If there is no plug, one of the three two-color wires is the grounding wire, and the other two can be connected casually.
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The plug ground wire should be connected to a separate wire, and a long iron or steel bar is inserted into the ground at the end of the wire.
Your washing machine may just use a three-pin plug plug to plug it into the three-prong power strip, and the wires connected to the wiring strip are only two wires, fire and ground, and there is no neutral wire. For safety reasons, a separate ground wire is required.
If it is a high-rise building, the wiring of the wires is standardized, and you can ask the property staff to help find out the problem.
If it is a low-rise building, the wiring of the wires may not be standardized.
If it is a small farm yard, you need to connect the ground wire yourself.
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I still have to check the ground connection, it is estimated that it is a ground wire problem.
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Three wires of household air conditioner: the brown wire is the L interface of the live wire plug or socket, the blue wire is the neutral wire connected to the N interface, and the two-color yellow and green wire is the ground wire connected to the E interface.
All household appliances with metal housings are equipped with a single-phase three-wire power plug. The three plugs are arranged in a regular triangle. The longest and thickest copper plug on it is the ground wire, which has a special ground symbol.
The two below the ground line are the fire line, and the letters "l" and "0" are the left, zero, and right fire lines.
If you don't connect by standard conductor colors, it's hard to distinguish between neutral and ground wires. If the power supply has a leakage protector, plug the outlet into the appliance. If the power supply trips, it means that the ground wire is actually a neutral wire; If it doesn't hop, it means connected.
It is best to use standard conductor colors for application: yellow for A line, green for B line, red for C line, light blue for N line, and yellow-green for PE line.
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Take a three-pin plug pin and position it facing yourself: (left fire, right zero, middle ground); Straight wall socket (left zero, right fire, middle ground);
L is the live wire, N is the zero line, PE or an inverted three is the ground wire; The standard for a single-phase live wire is red or brown, the neutral wire is blue, and the ground wire is bi-color (yellow and green) or black!
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I didn't find the leakage before, but today I touched the inner cylinder wall, numb, and the electric pen measured 110 and was scared.
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Rooting the ground wire does not mean eliminating the hidden danger of electric shock accidents in the future. It is better to change one, it is impossible to say that it is okay if it does not exceed 110 volts, and the safety voltage stipulated by the state is 36 volts, not to say that it is 110 volts.
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This kind of computer board washing machine, in the case of no ground wire has a voltage of 110V may be normal, the reason why it is possible is because some switching power supplies have live wire, zero line to ground coupling capacitor, the ground wire is normal, the shell is not powered, when the ground wire fails, the live wire, capacitor, ground wire, capacitor, zero line constitute a loop, the two capacitors have the same capacity, the ground wire voltage division is just half of the power supply voltage. The same is true for leakage when the computer host is not grounded.
By the way, I heard that this kind of manufacturer has declared that it is necessary to ground the electrical appliances, because the consequences caused by the user's lack of grounding need to be borne by the user, I am not specialized in the law is not very clear, but it is very strongly recommended that you ground, otherwise no one can afford to really go wrong.
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Below 42V is the safe voltage, not 110V
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You can call the 400** of Haier headquarters to reflect, and it will be implemented over there, don't worry too much.
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Dear users, we apologize for the inconvenience. We attach great importance to your feedback, in order to deal with it more quickly and properly, we hope you can send us your contact**, we will arrange to contact you as soon as possible, and we will serve you wholeheartedly.
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110V must be a certain danger, especially for children, electrical safety regulations below 36V is the safe voltage, the ground wire is definitely unqualified when nailed to the ground, the depth of the ground wire grounding should be about the right, he used a nail to nail the ground may not have been nailed through your floor, it is not considered a ground wire at all.
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When the connecting line of the internal and external units is reversed, the original zero line becomes the live wire, and the live wire cannot form a loop, so the external fan does not rotate.
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If there is no voltage at both ends of the water purifier, most of the circuit board has no output, so the main problem is the circuit board, generally speaking, as long as the computer is replaced, the problem will be solved, and it will be about seventy or eighty yuan to buy online.
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Generally speaking, the three colors of water heater wires are mostly "red, blue, yellow and green". Red represents the live wire (of course, yellow and green also represent the live wire), blue represents the neutral line, and the yellow and green colors are PE grounding wires. It is very important to use this grounding wire on the water heater, and it must be well grounded.
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The red line is the line of fire.
The blue line is the zero line.
The other is a grounding wire.
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The yellow-green is the ground wire, the blue is the neutral wire, and the other is the live wire.
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The live wire of an air conditioner is generally brown (or red) in color, and the neutral wire of an air conditioner is generally black (or blue) in color.
The AC supply voltage of the mains is 220 volts (V) (different countries are different, 220V in China). It includes a neutral wire n and a live wire L, and the ground wire is grounded (the ground is zero, PE), so it is called the zero wire. The mainland generally uses red to indicate the L (live) line, which is the line of fire; Blue represents the n (neutral) line, which is the zero line; The yellow-green color (commonly known as the flower line) indicates the ground line (E line).
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The fire line of the air conditioner is generally brown (or red) in color; But not all.
The neutral line of the air conditioner is generally black (or blue) color; Not all of them.
Advice: Don't believe in the conventional color, only believe in the tester, and it is a good tester.
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If it is to go for maintenance, it is best to bring a test pen to test, safety first, installation, there are no requirements. It's just a project that is better to unify it.
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The fire line is brown or red, and the neutral line is blue or white.
Hehe. As it was said upstairs.
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