Hi Friends,

I recently was asked to connect a Russian ion gun to US power. It arrived
new with no documentation. The power input was labeled 380B with a sine
wave symbol. The cable was not terminated in a plug.

Some reverse engineering led me to believe that a wye was the most likely,
and if carefully attached delta was also possible, although perhaps not at
380 volts.

I ended up connecting it to 208 VAC wye and it works fine. Some of the
construction and wiring techniques, and some of the parts contained within
made me very hesitant to hook it to more voltage, especially since the
easiest other option available was 440 VAC.

My curiosity leads me to pose the question, what configuration does 380
VAC have in Russia?

Thanks,

Bob

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