US Patent 10468792 Terminal block

A terminal block including a partition walls with curved edges. The partition walls with curved edges is erected between a plurality of terminals to separate the adjacent terminals to insulate. The partition walls with curved edges. The partition walls with curved edges includes an upper end surface and both side surfaces. Each of the both side surfaces includes a taper surface tilted downward and continuous to the upper end surface, and a vertical surface which is continuous to a lower side of the taper surface and positions a connection counterpart terminal to be connected with one of the plurality of terminal at a position of connection with the terminal. The partition walls with curved edges serve to guide the counterpart terminals into position for attachment to terminals of the block.