Not suitable for 12v adapters, just for cord 2 pin plugs! an adaptor that quickly and easily convert 2.5amp 2-pin euro plugs to standard 3-pin british plugs. High quality construction with stylish design external fuse access designed to bs5733 and asta approved standards only one screw needs to be turned to fit the adaptor cost effective with minimum labour costs cannot be plugged in without the lid being closed and fully screwed down