How to Identify Positive & Negative Wires: AC, DC, & More

When you're dealing with electrical wiring, it's important to know which is positive and which is negative—but how are you supposed to tell them apart? The easiest way to tell is by looking at the color, but the colors mean different

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How to Identify Positive & Negative Wires: AC, DC, & More

how to know positive and negative wire