The utility model relates to a wire and electric energy meter can be improved and the mount is installed fast to electric energy meter of efficiency is connected, including the mounting panel, the left and right sides of the leading flank of mounting panel is provided with the side shield, be provided with the bottom plate between two side shields, the top of bottom plate is provided with the layer board, the front side of mounting panel still is provided with the apron, the mounting panel, the side shield, the bottom plate, the layer board, the apron surrounds and forms the installation room, the top of layer board is provided with the plug terminal, the below of plug terminal is provided with the spliced pole, it is indoor that the spliced pole is located the installation, the mounting hole has been seted up on the spliced pole, mount is installed fast to electric energy meter still includes connection piece for the electric energy meter, the connection piece includes the body of rod for the electric energy meter, base and conducting strip, the body of rod and mounting hole looks adaptation, and the right -hand member of the body of rod is fixed to be set up on the left surface of base, the conducting strip includes riser and diaphragm, the fixed setting on the body of rod in top of riser, the left end fixed connection of diaphragm is on the riser, the projection of diaphragm goes out the surperficial one end in the base right side and is provided with the piece of colding pressing.