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There is no fixed connection between frequency (Hertz) and voltage, you can have 60 Hz at any voltage.

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∙ 15y ago

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How many volts are used in America?

If you mean the USA, there they use 120 volts / 60 Hz.


How many hz is 1500 watts and 120 volts?

It could be anything from zero to infinity because Hertz are not proportional to either watts or volts. But 120 v supplies are common in America, where the frequency happens to be 60 Hz.


Do you have to use a transformer if your device have 900 Watts 220 V and 60 Hz with 7.5 amps?

If your device uses 900 Watts at 7.5 Amps, then it requires 120 volts. If you want to use it where the supplied current is 220 volts, then you'll need a transformer - but only if the device can operate on 50 Hz. Most places that use 220 Volts supply it at 50 Hz. If your device says it can operate on 50 Hz you can use a transformer.


You observe a small plaque on an electrical appliance that reads in part 115 volts AC 60 Hz This means that the appliance?

That the appliance does not need a electrical transformer and uses the US standards for electricity off the grid.


What does 115 volts ac 60 hz mean?

Multiple-standard television sets, laptop computer power supplies, etc., are usually designed so that they can be used internationally. For example, my LED television set is rated at 100-240-V 50/60-Hz , which means that it can be connected to any supply voltage between those limits, and will work properly at either frequency. So, while '100-240-V 50/60-Hz' isn't the SAME as 120-V 60-Hz, it simply means that the device can be operated quite safely AT 120 V 60 Hz in North America, just as it can be operated quite safely at 230 V 50 Hz in Europe.