An electrical plug connector configured to terminate an electrical cable including twisted wire pairs, the electrical plug connector comprising: a base including a divider structure that defines a plurality of channels, the divider structure including a plurality of separation walls (145, 146), at least one of the separation walls (145, 146) defining an abutment surface against which a forward end of the electrical cable abuts when terminated by the electrical plug connector; a plug housing defining an interior sized to receive a plurality of electrical contacts and a portion of the base, the plug housing defining slots so that the electrical contacts are accessible; and a strain-relief boot (142, 140') defining a passage sized to receive the electrical cable, the strain-relief boot (142, 140') including a plurality of grip members configured to axially secure an outer jacket of the electrical cable against rearward movement relative to the strain-relief boot (142, 140'); wherein the at least one separation wall inhibits forward axial movement of the outer jacket of the electrical cable relative to the base; wherein the plurality of separation walls (145, 146) includes a first separation wall and a plurality of second separation walls, the second separation walls being orthogonal to the first separation wall, wherein the at least one separation wall that inhibits forward axial movement of the outer jacket of the electrical cable is one of the second separation walls, characterized in that the divider structure defines six channels, and wherein the six channels are arranged in a top row of three channels and a bottom row of three channels, wherein the channels in the top row are vertically aligned with the channels of the bottom row; and in that the first separation wall extends between side walls of the base, wherein no other structure extends from the sidewalls to engage the electrical cable. a base including a divider structure that defines a plurality of channels, the divider structure including a plurality of separation walls (145, 146), at least one of the separation walls (145, 146) defining an abutment surface against which a forward end of the electrical cable abuts when terminated by the electrical plug connector; a plug housing defining an interior sized to receive a plurality of electrical contacts and a portion of the base, the plug housing defining slots so that the electrical contacts are accessible; and a strain-relief boot (142, 140') defining a passage sized to receive the electrical cable, the strain-relief boot (142, 140') including a plurality of grip members configured to axially secure an outer jacket of the electrical cable against rearward movement relative to the strain-relief boot (142, 140'); wherein the at least one separation wall inhibits forward axial movement of the outer jacket of the electrical cable relative to the base; wherein the plurality of separation walls (145, 146) includes a first separation wall and a plurality of second separation walls, the second separation walls being orthogonal to the first separation wall, wherein the at least one separation wall that inhibits forward axial movement of the outer jacket of the electrical cable is one of the second separation walls, the divider structure defines six channels, and wherein the six channels are arranged in a top row of three channels and a bottom row of three channels, wherein the channels in the top row are vertically aligned with the channels of the bottom row; and in that the first separation wall extends between side walls of the base, wherein no other structure extends from the sidewalls to engage the electrical cable.