Usb Mouse Cable insides help

I know what the red green black and red cables are for but what about the last one?

Picture of Usb Mouse Cable insides help
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That's the cable shield. It will be connected to 0V too, but carries no current.

Steve
s117 (author)  steveastrouk7 years ago
so connect it to the same as the black?

If you're connecting a real USB plug, it goes to the metal outer of the connector.

A hub needs much more than just two connectors, it is an electronic board.

Steve
s117 (author)  steveastrouk7 years ago
but could i attach 2 female slots to it? (and be able to use them at the same time
No, you can't parallel USB connections.

Steve
s117 (author)  steveastrouk7 years ago
also do you know if i could connect 2 female (making it like a hub) ends to the aboveor will i need a circuit