I have machinery that can be wired 120 or 240, and went with 120 (so far) just because I was putting stuff back together the way it was taken apart.

I have a Sheldon 10" lathe with a 1/2 hp motor, wired presently for 120 but can be wired for 240. Making a few test cuts, it is just a little lightweight, but not if you shift to a lower gear- still the higher speed is desirable if I can get it.

I know that 1/2 horse is 1/2 horse whether voltage is 120 or 240, but I am wondering since 240 has two legs (instead of 1 leg and neutral for 120) if that would be a benefit. I know it would not use more power, actually less, but I am thinking that what power (two 120 legs out of phase) it uses would be used more efficiently.

Is my thinking correct on this?

I have a Sheldon 10" lathe with a 1/2 hp motor, wired presently for 120 but can be wired for 240. Making a few test cuts, it is just a little lightweight, but not if you shift to a lower gear- still the higher speed is desirable if I can get it.

I know that 1/2 horse is 1/2 horse whether voltage is 120 or 240, but I am wondering since 240 has two legs (instead of 1 leg and neutral for 120) if that would be a benefit. I know it would not use more power, actually less, but I am thinking that what power (two 120 legs out of phase) it uses would be used more efficiently.

Is my thinking correct on this?

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