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The frequency of any alternating current (ac) electrical supply always depends on the frequency at which the supply has been generated.

That is true no matter whether it was generated at a power station, for use in a home or factory, or in a dc-to-ac power inverter unit, for use in, say, a vehicle or boat.

Power stations in USA, Canada and other countries generate ac at 60 Hz.

Power stations in countries in Europe and other world areas generate ac at 50 Hz.

"Hz" is short for "hertz" which is the name used internationally for "one cycle per second".

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Q: What is the frequency of a 440 volt electrical supply?
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Related questions

How do you change a 3 phase 440 volt motor to a 3 phase 220 volt motor?

You can not change it. 440 volt is by design. However you run it with 220 single phase supply, but it would run far lower power.


What is the total resistance of a parallel circuit with branch voltages of 440 volt and 440 volt and branch currents of 4 amp and 16 amp?

resistance = volt / current . 440 volt across a parallel circuit means the same 440 volt across both resistance s. hence resistance r = volt / current . 440 / 20 amp = 27.5 ohms total resistance


Can a 440 volt capacitor be used for a 230 volt application?

No. The capacitor will short out and possibly explode. On the other hand, the 440 Volt Cap can be used in a 220 Volt circuit.


Can you run 440 volt appliances off a 220 volt supply?

The appliance should be marked with the correct voltage range, and the voltage applied must lie within this range. Otherwise it might be dangerous.


What is the fundamental frequency of a violin string is 440 Hz the frequency of its second harmonic is?

440 cycles per second. 1 Hz = 1 cycle per second


Why 440 volt for motor and 220 volt for lighting?

The higher the voltage, the less amperage is required and is easier to supply power to the device. Motors take much more power than lighting, therefore voltages may be higher for easier transmission.


In a 440 volt and 220 volt or 100 volt feeder panel what do you call a component that monitor the wiring condition of the feeder?

Grounding monitor


If two bulbs of wattage 25 at 220 volts are connected in series with the supply of 440 volt which bulb will fuse?

either one could. it depends witch one you unscrew first.


How do you get single phase 440 from three phase 440?

You Don't. 440volt 3-phase is actually 480 volts, taking a single phase gives 277Volts single phase. To get single phase 440 you would use one leg of three phase 440/760 three phase power.


Why 3 phase line 440 volt instead of 660volts?

common phase


Does a factory run on a 110 volt?

Depends on the electrical use in the factory. If there's lots of heavy duty machines, then they probably also have 220 v. And some draw higher, 3 phase, or 440, or more.


How do you connect 230 Volt single phase to a 440 circuit panel?

You can't get 230 from a 440 panel. You'll need a step down trandormer