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Which wires are power in USB?

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USB Cable Colors and What They Mean

The red wire is a positive power wire with 5 volts of DC power. The black wire is the ground wire (similar to most all electronic devices). The white wire is a "positive" data wire. The green wire is a "negative" data wire.Jan 29, 2021');})();(function(){window.jsl.dh('_4sJ0YNXiNovY-gShxrCABw56','
If you were to open a USB cable, you would notice 4 different coloured wires: white and green, which carry data, and red and black, which are used for power (red being the positive wire that carries 5 volts, and black being the negative or ground wire).

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