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Which two of these wires are the positive and negative? I assume it's the red and black but I want to be sure. It's a mini usb : r/AskElectronics
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China Customized 2 Pin Red Black Flat Ribbon Wire Manufacturers, Suppliers - Factory Direct Price - Free Sample - XINYA
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A ABIGAIL 2 AWG 1FT Power Copper Battery Cables with Terminals Red and Black Power Inverter Wire Set 5/16 Inch Lugs (Positive and Negative) for Motorcycle, Automotive Solar, ATV, RV, Mower, Marine :
4 wires on a Android phone charger colors red, white, green and black. Which wires are positive and negative? - Quora
![Cable Wire With Connection For Electronic Devices On White Background. Black Wire For Negative And Red Wire For Positive. Stock Photo, Picture and Royalty Free Image. Image 50301372. Cable Wire With Connection For Electronic Devices On White Background. Black Wire For Negative And Red Wire For Positive. Stock Photo, Picture and Royalty Free Image. Image 50301372.](https://previews.123rf.com/images/biggereye/biggereye1512/biggereye151200001/50301372-cable-wire-with-connection-for-electronic-devices-on-white-background-black-wire-for-negative-and.jpg)