What is the invagination standard of 8-pin plug?

1.803 mm According to Sohu Entertainment Network, the market specification standard of 8-pin plugs is 4.2 mm spacing, indentation 1.803 mm, and the hole spacing is consistent from top to bottom, left to right. The 8-pin power socket is to prevent the wires from being inserted randomly, and only plugs with the same size as the original ones can be inserted. The wiring of 8 suffix power cord is the same as that of ordinary power cord.