Determine the wattage of the appliances you plan to use. This is done by checking the safety information panel that can be found on the rear or bottom of all appliances sold in the United States.
Select a transformer that corresponds to or exceeds the wattage of the highest wattage appliance you plan to use. They are usually available at electronics stores and electrical supply houses in the United States as well as abroad.
Attach an adapter plug to the transformer cord it the transformer plug does not correspond to that of the outlet. British plugs differ from continental European plugs, as do Australian, Asian and some Israeli plugs, although all are rated for 220 volts or higher.
Plug the transformer cord into the outlet.
Plug the appliance cord into the transformer. An adapter plug may be necessary as well if the transformer outlet is not set up for American plugs.
Turn on the transformer's on-off switch if present. Use your appliance as you would normally.
