What is the configuration for a 3 pin wall socket?

THE CONFIGURATION OF A THREE PIN WALL SOCKET IS THAT IT SHOULD BE WITH A SWITCH TO OPERATE THE PHASE THE NEXT SAME LEVEL PIN IS FOR THE NUETRAL AND THE THIRD TOP PIN IS FOR THE GROUND OR EARTH.THIS SOCKET IS USUALLY USED FOR ELECTRICAL HOME APPLIANCES LIKE COMPUTERS REFRIGIRATORS DEEP FREEZERS IRONS VACCUM CLEANERS MICROVAVES ETC ETC.