In simple terms, reverse polarity is an electrical wiring mistake where the positive/hot wire and the negative/neutral wire are hooked up to the wrong terminals, effectively getting crossed or swapped backward. Imagine plumbing pipes where the hot water line and cold water line get accidentally switched at the faucet handle; water still comes out, but the system is hooked up backward. In electricity, this means the pathway bringing power in and the pathway carrying it back are reversed, compromising safety mechanisms.
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