The B51P electrical plug adapter converts the following plugs to fit British sockets: North American 2 or 3 pin plugs (Flat/slant pin) Continental 2 or 3 round pin plugs (Belgium, France, Germany, Italy, Netherlands, Spain and Sweden), Japanese plugs (check that the equipment is multi voltage before plugging it in). It also adapts shaver 2 pin plugs. Max. 13A/250V fused, conforms to BS 5733. (Does not earth with side-contact earth plugs). Check that the appliance to be used is compatible with 240V mains supply. For instance for US equipment which is not multi voltage you will need to use a step down voltage converter.