<P> Most Canada, Mexico and United States domestic power suppliers run at 120 V . </P> <P> Household circuit breakers typically provide a maximum of 15 A or 20 A of current to a given set of outlets . </P> <Ul> <Li> USB charging adapter (as load - typically 10 W): 83 mA </Li> <Li> 22 - inch / 56 - centimeter portable television (35 W): 290 mA </Li> <Li> Tungsten light bulb (60--100 W): 500--830 mA </Li> <Li> Toaster, kettle (1.5 kW): 12.5 A </Li> <Li> Hair dryer (1.8 kW): 15 A </Li> </Ul> <Li> USB charging adapter (as load - typically 10 W): 83 mA </Li>

An current of 6 amperes is same as