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4 wires on a Android phone charger colors red, white, green and black. Which wires are positive and negative? - Quora
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SAE Cable:12 Feet Long Copper Wire,Spt-2 16AWG,2 Pin, Red Wire Is for Positive and Black Wire for Negative, The Whole Harness Is Heavy Duty, Thickness and Durab - China PV Cable and
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