[I was always taught that 220V was preferable to 110 because it was slightly more efficient - lower amperage means ess electricity was lost to heat. However, in a post on another forum it was posited that this is not true. The motor will still draw the same total amperage and therefore would have the same inefficiencies. So then this begs the question, if there is no advantage to 220V, then why are some tools sold that way and why do others have the option to be wired like that?]
If I rewire my 15 amp Delta tablesaw to run on 220 volts, then it would draw only 7.5 amps. That means it will drain my wallet at half the rate than it did before.
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