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    chulau007's Avatar
    chulau007 Posts: 1, Reputation: 1
    New Member

    Sep 21, 2006, 03:49 AM
    What is better to use 110V or 220V?
    What is better to use 110V or 220V?
    bhayne's Avatar
    bhayne Posts: 339, Reputation: 4
    Full Member

    Sep 21, 2006, 07:10 AM
    If I had a choice I would first consider my supply. 110V is common for any house hold receptacle so I would chose 110V (if the electrical device operated at both voltages). Dual voltages like that usually mean that that they are European compatible. I believe Europe uses 220V as a common household receptacle.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member

    Sep 21, 2006, 02:27 PM
    Assuming a load, (motor, light, etc) is the same wattage and can take either voltage, the advantage of using a higher supply voltage will decrease the circuit amperage.

    So, for example, if a 5000 watt load is connected at 110 volts, the amps will be ~45 amps, at 220 volts, (double) , the load amps will be half, or about 22.5 amps.

    This will allow the circuit to be wired with smaller wire, and save on material and labor costs.

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