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Standard AC voltages in North America are 110, 115, 120V (standard household, outlet current) and 220, 230, 240V (standard household, large appliance current) Note that 110, 115 and 120V are considered equivalent for most applications as are 220, 230 and 240V. This is so because power delivered from a public grid varies from place to place. In rural areas you may measure 110VAC from a common wall outlet with a volt meter while in a city you may be able to measure AC power at levels as high a 127VAC. There is no need to be concerned about these minor differences however as most electrical devices operate over a voltage range with varying efficiency levels. Other custom AC voltages are available by special order. The range of custom AC voltages is approximately 12VAC ~ 480VAC.
Ya'll techies... you should know the properties of electricity!!!! |