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USB for pinout and USB connectors

Updated on July 19, 2017
USB wires and the corresponding color code for pinout and usb connections
USB wires and the corresponding color code for pinout and usb connections | Source

As my passion to write, I am writing again for this helpful hub about USB article, Four Wires of the USB for pin-out and USB connectors.

I enjoyed the comments on my previous hubs with my followers and now I am excited to write more to help so many people asking questions about the four wires of the usb.

If you notice, the usb has four wires.

USB wires are red, black, green and white. (depending on the brands) Many people ask about the red wire of the USB?

What with the red wire? How many volts does a red wire have? Is it dangerous? Could we be electrified by this voltage?

THE RED WIRE OF THE USB

The red wire of the usb is the heart of the usb cable. It has the voltage of about 5 Volts average.

It is not dangerous because as I told you it has just 5 volts and you won't even feel anything when you touch the wire directly. So the answer is that you won't be electrified.

Red wire in all of the electronic world of industry is always the POSITIVE WIRE.

As we have seen on movies of defusing the bomb, red wire is always the chosen wire to be cut just to disable a bomb.

Bronze wire inside the USB wires
Bronze wire inside the USB wires | Source
Pictorial diagram of USB wires inside the USB cable
Pictorial diagram of USB wires inside the USB cable | Source

Generally, this informational hub is to impart that red wires are always the hot wire as standard wire color coding agreed in international standard of World Industrial Technology.

Now if you have questions about technology, you can write your comment below.

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© 2012 Mark Johann

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    • profile image

      annrey 2 years ago

      how to splice usb wire 4 cables to 2 cables

      4 colors red,green,white & black.

      2 colors red & black.

    • Mark Johann profile image
      Author

      Mark Johann 3 years ago from Italy

      I suggest you try the same code for that colors.

    • profile image

      vivek soni 4 years ago

      hello sir,

      nice article , i want to know the serial of these four wires- red , black, green ,white,

      my internet connector (dongle) is broken now i am fixing it by soldering a data cable to it, but i am confused in wire serial

    • Mark Johann profile image
      Author

      Mark Johann 4 years ago from Italy

      Hello there! I believe it just the same with my other hub here. Check my hub titled: USB Pins - Pin out and in of the USB wire/cord/cable

      You can see that you have the same color with your blue, green and white. Now, yellow or orange has the same code for 5 volts.

    • profile image

      Bananzombie 4 years ago

      my usb mouse got blue, green,white & yellow wire can u

    • Mark Johann profile image
      Author

      Mark Johann 4 years ago from Italy

      Thank you my friend for giving your simple and wonderful comment. I am glad.

    • Ingenira profile image

      Ingenira 4 years ago

      Cool information !