120/208 VAC Service (follow-up)

Hello, everyone, and my thanks to all who replied to my OP. Although I
didn't peer inside the outlet box I suspect I encountered a 208 VAC
single-phase service consisting of two hots and a ground. I further
discovered that a number of the higher kVA UPSs on the market are
designed to operate from 208 VAC single-phase and can often use 240 VAC
single-phase as an alternative. (my only previous experience had been
with hefty AC-DC power supplies that required 120/208 or 277/480 VAC
3-phase on the input side) Sincerely,
Reply to
J.B. Wood
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