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Number of Wires in a USB cable or cord wire

Updated on December 18, 2015
USB wires inside cable
USB wires inside cable | Source

The Four Wires of the USB

In the mid-1990’s, there have been various computer peripherals in the world of computer technology. Let us take a look on the; Number of Wires in a USB cable or cord wire article for your resource.

Because of this, USB cable was invented. USB was made to standardize almost all computer peripherals.

USB means Universal Serial Bus.

There are wires inside the USB. Skinning is the process of removing the insulator (wire cover) to expose the conductor (copper wire) inside.

If we do the skinning of the USB cable, we can see four wires.

The USB has four wires inside. These wires are used to transmit power and data to and from your electronic device and your PC or personal computer.

Communication of both the external devices and the PC are handled by USB.

Now, there are corresponding color codes of these four wires.

Depending on the color, each of the four has the function of voltage, ground, data minus and data positive.

Speaking of these four wire colors, let us identify unto which of those corresponds to their particular functions.

Common and ordinary cable wire has red, black, green and white wire colors inside it.

What is the function of the red wire inside the usb cable?

Since the beginning of technology and in some complicated electronic wirings in direct current or DC, red wire is always the live wire.

Red wire in a usb device is handling the voltage of about 5 volts. Without voltage, ones electronic device cannot function because this is where the power source (electric power) passes through.

What is the function of the black wire inside the usb cable?

Red is the 5 volts wire but without this black wire, this red wire cannot function.


Black wire of USB Cable in the world standard

Black wire in the world standard is always the ground wire, common wire, negative wire or body wire.

For DC current, black is always the negative charge of electricity.

What is the function of the green wire inside the usb cable?

The green wire is used to transmit data. This is the DATA – or the data negative or the minus symbol.

What is the function of the white wire inside a usb cable?

The white is for the DATA + or the data positive/plus symbol.

Skinning of usb- four wires inside the usb cable. These wires in another set of colors. Read more by viewing the source.
Skinning of usb- four wires inside the usb cable. These wires in another set of colors. Read more by viewing the source. | Source

Common USB wire problem

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© 2012 Mark Johann


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