Power socket means to connect to will provide alternating current mains, make household electrical appliances and portable device for small power can be used. Power socket is a slot hole or box, used to have a stick or copper prominent power plug inserts, in order to conduct electricity the plug to the electrical appliances. Generally are designed to the same specifications of the plug socket cannot be inserted, there will be stick on part of the socket is outstanding, with the concave on the plug hole.