3 Point (british)
In the UK the mains voltage is 240 volts
The mains voltage is 230 volts, and the frequency is 50Hz.
220V
A 'service mains' is not associated with an electricity 'transmission' system, but with a low-voltage 'distribution' system. The service mains is the name given to the cable that connects a building to the low-voltage mains supply.
You get power, which is voltage * current (so both!).
230 V
Less likelihood of electrocotion.
Desktop computers all come with a power supply that changes the mains voltage in your country's electricity supply to that needed inside the PC. Thus the Voltage used by your PC is the mains voltage in the country where the PC was sold.
Not without a suitable mains adapter to charge the battery. The UK mains voltage is 230 Volts - the US mains runs at just 110 colts.
The standard voltage is the Republic of Ireland is 220 VAC at 50Hz.
The voltage is 230volts and this is the norm in Europe.
You cant.