Electric -larceny preventing electric meter box

The utility model relates to an electric -larceny preventing electric meter box, including ammeter case (1), chamber door (3), observation window (2), hinge (4) and knocker, the anterior gate one side of ammeter case (1) is equipped with observation window (2) through one side of hinge (4) connection chamber doors (3) on chamber door (3), and in fixed fixed plate (9) that set up the knocker of the anterior gate of ammeter case (1) opposite side, fixed plate (9) are equipped with lockhole (6) and lead seal hole (7) on going up inserted sheet (10) that set up, set up lockhole (6) and lead seal hole (7) on inserted sheet (10) are arranging side by side of crossline setting or vertical setting of types, and cramp (8) are located to be equipped with, groove (5) and inserted sheet (10) lock of setting up in fixed plate (9) that correspond the knocker at the opposite side of chamber door (3) on cramp (8), the ammeter incasement is equipped with bulb and bulb switch, the bulb passes through bulb switch and mains?conn