Does 208/230 Volt Come In Single Phase?


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Daniel Bunker answered
208 is typically a voltage used in commercial power. It is 3 phase, but if you take a volt reading across any 2 phases you will read 208 volts. This is 208 single phase. If you take one leg to ground you have 120 volts. This happens because you take the square root of three, which is 1.73 and divide it into 208. You answer is 120. You only use that math on three phase. 230 volts is single phase like what you find in your house. You only have two lines coming in. Between the two lines you get 230 and one line to ground you get 115. So to answer your question Yes you can get 208 single phase but you will have a 3 phase service. 230 volt is only single phase.

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