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pc power cord color

The red color of the power cord represents the phase line, the blue color represents the zero line, and the yellow-green color represents the ground line. Among three-phase insulated wires, yellow, green and red represent the three phases A, B and C in the AC voltage respectively. In addition, the 220-volt electric phase wire belongs to the live wire, which is generally red or brown, the zero wire is blue, green, or black, and the ground wire is yellow and green. In addition, the 220-volt electric phase wire belongs to the live wire, which is generally red or brown, the zero wire is blue, green, or black, and the ground wire is yellow and green.

Mainstream power supplies usually contain 9 colors of wires, including yellow, red, orange, purple, blue, gray, green, and black, of which yellow, red, orange, blue, and green wires are particularly prominent. The yellow line is mainly used for +12V power supply, which is an important power supply for hard disk, optical drive and floppy drive motors. Abnormal voltage may cause reading performance problems.

Neutral line: Usually blue or white, it is responsible for introducing the negative voltage of the power supply into the computer. The zero line is connected to the live line, forming a complete circuit that allows current to flow inside the computer. Ground wire: Usually yellow and green, it is responsible for grounding the metal shell of the computer to ensure safe use. When leakage occurs inside the computer, the ground wire can direct the leakage to the ground to avoid electric shock accidents.

Blue: Provides current for the serial port. The current required is not large, generally below 1A. White: To power the logic circuit, the current required is very small and generally will not affect the normal operation of the system. Green: P-ON (power switch terminal), which controls the power supply to be turned on by the level. After shorting the power supply, it will automatically turn off if there is no extra load.

The color of the computer power cord represents the following meanings: Orange: specially used for ATX power supply to provide a stable power supply for memory. This is a critical power cord to ensure the proper operation of memory. Yellow: Provides the required power supply for the spindle motors and seek motors of hard drives, optical drives, and floppy drives in the PC. The normal operation of these components relies on stable power supply from the yellow power cord. Red: Mainly responsible for providing power to CPU and integrated circuits such as PCI, AGP, and ISA.

How many volts does the color line of the computer power output voltage represent?

Red: Represents the +5V power cord (chip operating voltage on motherboard, hard disk, optical drive and other hardware).\ r\n\r\n Yellow: Represents the +12V power cord (the working voltage on hard disk, optical drive, fan and other hardware, and-12V simultaneously provides EIA power to the serial port).\ r\n\r\nOrange: Represents the +3V power cord (directly supplies power to DIMM, AGP slots).

The red line represents the +5V power cord, which is the working voltage of the chip on the motherboard, hard disk, optical drive and other hardware. The yellow line represents the +12V power cord, which is the working voltage on hard drives, optical drives, fans and other hardware. The-12V line also provides EIA power for the serial port. The orange line represents the +3V power cord, which directly supplies power to DIMM and AGP slots. The gray line represents the P.G. signal line, which is the power status information line, reflecting the working status of the power supply.

The output voltage of computer power supply can be distinguished by methods such as color recognition, wire thickness, multimeter measurement and plug type judgment. The details are as follows: Color recognition The color of a computer power cable usually corresponds to a specific voltage output, which is the most intuitive way to distinguish it. Taking the ATX power supply as an example, the yellow line represents the +12V positive pole, and the black line is the ground wire (negative pole); the red line represents the +5V positive pole, and the orange line represents the +3V positive pole.

The +5V power supply is the working voltage provided to the CPU and integrated circuits such as PCI, AGP, and ISA. It is the main working power supply in computers. The CPU uses a mixed power supply of +12V and +5V, and the requirements for it are not as high as before. The quality of its power supply is directly related to the stability of the computer system.

PC power cord color definition

1. Mainstream power supplies usually contain 9 colors of wires, including yellow, red, orange, purple, blue, gray, green, and black. Among them, yellow, red, orange, blue, and green wires play a particularly significant role. The yellow line is mainly used for +12V power supply, which is an important power supply for hard disk, optical drive and floppy drive motors. Abnormal voltage may cause reading performance problems. The red +5V line provides working voltage for the CPU and integrated circuits such as PCI and AGP. It is the core power supply of the computer and has a great impact on system stability.

2. The red color of the power cord represents the phase line, the blue color represents the zero line, and the yellow-green color represents the ground line. Among three-phase insulated wires, yellow, green and red represent the three phases A, B and C in the AC voltage respectively. In addition, the 220-volt electric phase wire belongs to the live wire, which is generally red or brown, the zero wire is blue, green, or black, and the ground wire is yellow and green.

3. The computer fan cable has three red lines, blue lines, black lines, which is the positive line and which is the negative line, and the third line of the heater is defined as red-positive (power line L), black-negative (ground line G), and yellow-speed measurement. The four-wire saiger's four-wire is defined as red-positive electrode (power line L), black-negative electrode (ground line G), yellow-speed measurement, and blue-speed control. For CPU fans in general, there are 2-pin, 3-pin, and 4-pin fans.

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