Eli5:why are electrical phases labelled UVW?

Question

I’m just curious because The U and V are very similar and easy to mistake which can be very catastrophic.

In: 4

Answer 1

In what context? I’ve usually seen them labeled as either “ØA, ØB, ØC” (most common), “Ø1, Ø2, Ø3” (occasionally) or “ØX, ØY, ØZ” (rarely).