The single-phase electric meter box (split meter ready board) is a distribution box for installing single-phase electric meters. The door has a meter reading window. It is mainly used in civil buildings and commercial power distribution systems. The utility model can solve the personal injury and death accidents caused by poor grounding of the box body and overlapping of foreign matters. The comprehensive use cost is low, and the one-time investment can be used for more than 20 years, eliminating the replacement man hours and accumulated costs of metal boxes. Moreover, in the process of using single-phase meter box (split meter ready board), its unique design can effectively resist external force impact. The recovery cost of the box material is also high, which can effectively prevent the theft of the body. The splicing method can reduce the maintenance cost of the box. When it has problems, it only needs to replace the damaged parts. At the same time, the single-phase meter box (split meter ready board) will not produce asphyxiating gas when it burns at high temperature.