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220 v - 240 v 50 hz versus 110 v 117v 60 hz power.
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Pro's and cons: <br /> <br />Higher voltages transmit power further with less power loss and less voltage drop. <br />Lower voltages require less insulation (a factor in motors), are cheaper to build ight bulbs, and is safer for leakage currents (fewer problems when insulation goes bad). <br /> <br />Higher frequencies require smaller transformers to handle the same amount of power. <br />Lower frequencies require slower moving equipment, which means it'll last longer, and makes standard single pole motors run slower. <br /> <br />A "standard" single-pole AC motor will operate just under 3600 RPM at 60 Hz, and just under 3000 RPM for 50 Hz. <br /> <br />220 volts will bounce you off the wall harder. <br /> <br />Mark in Utah
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