Anonymous
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there is really no such thing as 220,230 or 250 in america. You get 208 out of a wye transformer and 240 out of a delta transformer. An appliance such as a dryer will run on either of the voltages
JulianL
208 volts is the high leg voltage, measured from the centre-taped neutral on a 240 volts 3 phase system to the blue wire. This is a unique US system. 240 is the voltage across the 2 hots of a 120 volt split phase supply. 250 is the connector rating. 220 and 230 are approximations of 240 volts (as 110, 115, 117 and 125 are to 120 volts).
Outside North America (EU, UK, AUS, NZ, South Africa and India) the official (phase to neutral) voltage is 230 volts, with variations of 220 volts on most of mainland Europe, and 240 volts in the UK and much of the Commonwealth. Some locations had 250 volts. This is similar to the 277 / 480 volt industrial power, but with a phase to phase voltage of 380, 400, 415 or 433 volts. This system allows one system for residences, street lighting, commercial, light industrial, and agricultural locations. It also means that 50 residences might be powered from a single 3 phase transformer mounted on a pair of closely spaced poles.
Anonymous
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Anonymous
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Good Lord...I'm not even going to say anything... Standard appliance ratings allow for a 10% +/- on voltage. This means, something that is rated to run on 240 volts can run on 10%, or 24 volts in this case, more or less. 240 - 24 is 216, obviously not within the 208 volts you say you have. 208 volts does come from a three phase system. However, just because that is the building supply doesn't mean you have three phase in your apartment. Oft times, three phase power is brought in in order to run mass quantities of motors more efficiently. You still only have 2 phases in your apartment which may give you 208-215 volts. Will the oven run on it? Yes. Will it slightly reduce the output of the burners? Only a little. Will you notice it? No. Hope this helps.
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208 Volts