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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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4 AWG Battery Cable Positive Negative 2 feet with Gold Plated high Conductivity 3/8 inch Ring lugs Ideal for car, Boat Battery,Solar Battery Wiring. (a Pair) : Amazon.in: Electronics
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Amazon.com: LotFancy 6 AWG 20 Inches (Each) Battery Cables Set with Terminals, 3/8-Inch Lugs (Positive and Negative) for Motorcycle, Automotive, Marine, Solar, ATV, RV, Mower, Oxygen-Free : Automotive
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Amazon.com: Cartman 8 AWG Battery Cables, 8 Gauge 24 Inch Power Inverter Cables, 3/8" in Lugs for Car Marine Solar ATV Lawn Mower Motorcycle ( Positive and Negative) : Automotive
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