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PoopCrayon70-1 t1_iu30tvv wrote

Almost certainly? So in your expert opinion: is is 120/208, 120/240, 277/480¿

One of these answers makes it a trick question...

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Gaff1515 t1_iu3xed5 wrote

Actually none of those answers makes it a trick question. All three of you choices can be three phase. Maybe you’re not the expert you think you are on AC. (120/240 can be 3 phase with a high b leg, very uncommon but still exists in Chicago area).

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