I guess in China the red wire is negative and the black positive. : r/techsupportgore
How to Identify Positive & Negative Wires: AC, DC, & More
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How to Identify Positive & Negative Wires: AC, DC, & More
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How to Identify Positive & Negative Wires: AC, DC, & More
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What would be the correct terminal in an LED controller for white, yellow, black and red wires? They aren't the standard bgr! So, does the black go to the'b' terminal? And so
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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
What does it mean when a USB cable only has white and red cables inside? Which one is positive or negative? - Quora
How to Identify Positive & Negative Wires: AC, DC, & More
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