Forum Discussion
wa8yxm
Aug 30, 2019Explorer III
Big Katuna wrote:
220 wont be more efficient than 120. Watts is watts.
In another forum I'd call you an evil name for a half truth like that.
But not here.
Yes watts are indeed watts but amps are 1/2 on 240 what they are on 110 and that means less expensive wire, lower voltage loss and several other advantages. THIS IS WHY 50 amp service is 120/240 volt instead of just piping in 100 amps at 120 volt. Same watts either way but less voltage drop and less copper.
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