USB CableUSB (Universal Serial Bus) is an industry standard that defines cables, connectors and communications protocols designed for connection, communication, and power supply concerning computers and other devices as shown in figure:

USB cable assemblies are the most common used cable types available, used typically to connect computers to peripheral devices such as cameras, smart-phones, printers, camcorders, scanners, and more. USB standard has released different versions which are categorized according to data transfer and are listed below:

  • USB 1.x
  • USB 2.0
  • USB 3.0
  • USB 3.1

USB cables are accessible in different lengths, from around 3 ft. to over 16 ft. in length. The maximum length of a USB cable is 16 ft. 5 inch. (5 meters) for high speed devices and 9 ft. 10 inch. (3 meters) for low speed devices. These maximum lengths are because of data transfer timing and the risk of data being lost if using longer cable lengths. Different types of USB cables as mentioned above have different transfer speeds (2.0 and 3.0) for USB. Correspondingly, there are different types of USB cables to exactly match with those speeds. USB 2.0 cable is easily available for use with a device using USB 2.0 or a USB 3.0 cable for use with a device using USB 3.0 by changing its compatibility.

USB extension cables are also available that can connect to one end of a USB cable (normally the end that would connect to the computer) to increase the length of the cable. However, avoid extending the cable beyond the 16 ft. 5 inch. which is total maximum length limit, lest using a USB hub to connect additional USB cable.

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