Why do we need a dedicated neutral power line? Can’t we just use ground as neutral?
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I’m an AC system, the hot wire and neutral swing back and forth, from positive to negative and back. Power flows from hot to neutral, stops briefly in the middle, and then reverses and goes negative for a while. Importantly, the neutral wire is part of the active electrical circuit. It carries power more or less all the time. Ground … Isn’t really the same thing. It’s a local connection to ground, usually a rod pounded into the lot on which your building sets. Now, you can make a circuit that way, but your ground system will become hot, so to speak, which is not the best idea, and certainly not the intent.
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