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USB Pins has Wire Colors, the Red, Black, Green and White

Updated on December 18, 2015
Inside your usb cord wire - with shield stranded wire outsite
Inside your usb cord wire - with shield stranded wire outsite | Source

USB wire colors inside

Using usb cord today is very popular. Most electronic apparatus use usb cord to transfer files to and from electronic gadgets.

The usb cord wire we use today are not all genuine.

This means some are made from China as Class C material which are very weak and anytime could possibly snap.

When a usb snaps, you can see four wires inside of it. If you are smart enough or hard working enough to connect those wires, then you can. This article hub is useful for you.

Now the four wires inside the USB has corresponding codes on its different colors. What are the colors of a usb wires inside?

The wire colors are red, black, green and white. If you are skinning your usb wire (peeling off your usb wire), you can see these wire colors inside your usb.

Now, after you snap your class C usb cord for example, you have to do the skinning again for the four wires inside.

What is the RED color of the four wires inside the usb cord?

One of the four wires inside a typical usb is the red wire.

The red wire as seen in almost all electronic devices corresponds to the positive wire, which means, as I learn in my study of technology, the positive charge of electricity.

This is where the voltage of the direct current or DC pass through. In a usb cord, the voltage normally flows here is just 5 volts.

Without the voltage coming from the CPU power supply, your device cannot function.

Where do you usually use USB?

See results

What is the BLACK color of the four wires inside the usb cord?

The black color corresponds to the common wire or in other words the negative charge of electricity.

Now to complete our circuit, we need negative wire.

Another name for common wire is the ground wire.

Four wires inside the usb cord
Four wires inside the usb cord | Source

What is the GREEN color of the four wires inside the usb cord?

You usb now is powered by DC of about 5 volts. To continue the operation you desire, we need another wire wherein your work is carried through. The green color of the four wires inside your usb is used for the data transfer. This green wire inside your usb is the negative DATA. Either going in or out movement of the data, the Green wire and the White wire are responsible for this.

What is the WHITE color of the four wires inside the usb cord?

The last usb wire inside your usb cord is the white which is the positive DATA for your usb powered operation.

There are also many colors in some manufacturers of usb. If your colors are not red, black, green and white you can visit another useful page like this at: USB Pins - Pin out and in of the USB wire/cord/cable


© 2012 Mark Johann


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    • profile image


      2 years ago

      D+ and D- are REVERSED from the standard. See USB.ORG if your cable is wired correctly.

      Reversed wires will show a low speed device, unknown, cannot enumerate and will not transfer data.

    • profile image


      4 years ago

      Thanks sir for you are great information.

      Its very useful information for common persons

    • Mark Johann profile imageAUTHOR

      Mark Johann 

      4 years ago from New Zealand

      Hi peachpurple,

      Yes, you can just connect the wires of the same color (if same) but if it is different wire colors you can check the corresponding color code on your pictorial diagram here. Thanks for dropping by, peach. :)

    • peachpurple profile image


      4 years ago from Home Sweet Home

      is there any way to extend the usb cable? Like i join two usb cable into one?

    • profile image


      5 years ago

      I love all of those! I can see why you're having a hard time decndiig. We're not having much luck with our little girl's name either

    • profile image


      5 years ago

      Well, I do love the name Scarlet, but she was a spoiled thing. Addison is cute and I like Addie. Harper seems too hearpe (not how a woman wants to be seen). Harlow is very exotic. Gigi is too cute. I like Lilah that seems sweet. Skylar and Skye are a bit too much for my taste. And Emelia seems old fashioned. So I guess my votes are for Addison and Lilah. But guess what, whatever you name that precious little baby girl, I am going to love her to pieces. xoxoxox

    • profile image


      5 years ago

      This info helped me a lot.... Now my usb is okey... Thanks

    • profile image


      5 years ago

      This info helped me a lot.... Now my usb is okey... Thanks


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