110 or 220 for home service. Businesses may require 440 volts.
There is no formula to convert voltage. Voltage is universal.
US Voltage is 120 V @ 60 Hz.Ecuador Voltage is 120 V @ 60 Hz.They're compatible, the plugs are also the same.
the voltage and frequency are 110v and 50(or)60hz because the devices which are invented in us are work at that voltage and it is efficient for that devices.
The highest voltage for lighting in a home in the US is typically 120 volts. This is the standard voltage used for residential lighting fixtures.
It depends on the country as to which voltage is used for industrial purposes. In the US, for welding for example, voltage may be 480 volts. The frequency in the US is 60 Hertz.
The voltage specification for a US electrical outlet is 120 volts, and the frequency specification is 60 Hz.
Yes, you can use an English hairdryer in the US as long as it is compatible with the US voltage. You will need a plug adapter or a voltage converter to ensure safe use.
Simran manufactures its voltage converters in the US. The SMF-200 Voltage Converter is a great buy and made in the USA.
If you mean in domestic use, the US is at 120 V and the UK at 240 V. So you need a transformer with a 2 to 1 turn ratio, to step up if using a UK appliance in the US, or to step down if using a US appliance in the UK.
110 v/DC
Yes, you will need a voltage converter when traveling from the US to the UK because the UK operates on a 230V electrical system, while the US operates on a 120V system.
110-120 Volts BUT IN SOME AREAS 220.