Four hole transfer and two double hole error proofing connector

The utility model discloses a four hole transfer and two double hole error proofing connector, comprising a four hole connector and two double hole connectors in butt joint with the four hole connector. The four hole connector comprises two parallel rows of terminal grooves, wherein a separator plate is arranged between two terminal grooves of one row of terminal grooves; a gap corresponding with the separator plate is provided between two holes of the double hole connector in butt joint with two terminal grooves provided with the separator plate. According to the utility model, the terminal grooves of the four hole connector are provided with the separator plate or the inner wall of the terminal grooves is of a special-shaped structure to make the double hole connector correspond with the terminal grooves and avoid false splicing.