Voltage does not affect the cost to run. You pay for the wattage, the higher the wattage the more it will cost to run.
any type of electric used for heat is expensive. but heating the home is cheaper in the long run because it use's 220 volts of electric heat. were as a fireplace would use 115 volts. which draws more amps then running on 220 volts
the voltage of the mains electricity in the UK
"2kw fire" if this refers to an electric fireplace then you also need to know the voltage that is used. 1Kw = 1000 watts. Watts = Amps x Volts. Amps = Watts/ Volts. Amps = 2000/Volts.
Because it is a 220 volt outlet instead of a 120 volt outlet. Now, if this is a standard 120 volt outlet that is reading 209 volts then someone has made a mistake in the wiring. You need to call an electrician to straighten this out.
Any where from 110 volts to 130 volts alternating current is available from a 110 VAC outlet.
In the US a general purpose receptacle outlet would be 120 volts; England 240 volts, France 115 volts, Libya 127 volts, Okinawa 100 volts, Tanzania 230 volts . . .; all depends on where your house is.
We know that Voltage = Current x Resistance, so if E = I x R, then E = 20 x 12 = 240 volts, and the dryer must be plugged into a 240 volt outlet.
By electric volts
A duplex outlet is 115vac.
Yes you can safely do this. Most appliances that are marked 115 volts will operate on outlet between 110 and 120 volts safely.
A power supply receives 120 volts of AC power from a wall outlet and converts it to 3.3, 5, and 12 volts of DC power.
2 volts