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Why Do Utility Companies Use '3 Phase Power'? vesilvio/iStock/Thinkstock

Why Do Utility Companies Use '3 Phase Power'?

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Q: Why do utility companies use "3 phase power"? Why not 4 phase, 5 phase etc? I'm not an engineer but I kind of understand what AC phase means. And please don't tell me about electricity being like water in a pipe. Thanks!
anon, TX


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