If you have USB cables lying in your drawer, they could be of lots of use in case of emergency. Take my case itself, a few days back the Data Cable of my USB Hard Disk went faulty when I desperately required it for some crucial data. So I scanned by drawer for those spare USB ables that my supplier had given me along with the Printer. The problem was that I only required the Male-end of the cable which would connect to my PC & not the smaller end which connected to the Printer. Similarly I found another similar USB cable.
Now I cut both the cables cautiously knowing that the USB Data Cable length should not exceed 1 meter, else my USB Hard Disk woul stop working. Then I found the USB cable colouring standards from Wikipedia. But to my surprise only of the these cables followed the standard, while the other one wasn't doing so.
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With little bit of tweaking, I could trace the similar ends of both the cables & also found my Hard Disk started working with the wiring. To ensure proper connectivity it is recommended to solder the cables rather than just twisting it.
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