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How much electricity in volts does the iPod touch second generation's USB cable pull from the computer?

Answer:
All USB peripherals are supplied at 5.0v.

For v1.1 and v2.0 USB connectors there are 4 wires:

5v power feed limited to 0.5Amps
Ground (think of this as the -ve side of a battery)
Data +
Data -

These data wires are what does the actual data transfer.
First answer by ID1625777715. Last edit by EvilTwin373. Contributor trust: 52 [recommend contributor recommended]. Question popularity: 1 [recommend question].

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