An electrical connector device comprising: a receptacle electrical connector that is a continuous molded piece, the receptacle electrical connector comprising connector contacts that extend from a root of the receptacle electrical connector and that have connector dielectric posts surrounding parts of the connector contacts; and a plug that mates with the receptacle electrical connector, wherein the plug comprises: plug contacts that include plug dielectric posts surrounding parts of the plug contacts; and a plug housing including openings whose partitions enter into the slots formed between the connector dielectric posts when the plug is mated to the receptacle connector, characterized by the plug housing further comprising a common top wall and a common bottom wall, the plug contacts extending from a root portion of the plug housing into the openings, the openings configured to share the common top wall and the common bottom wall and to accept the connector dielectric posts therein when the plug is mated to the receptacle electrical connector, wherein each partition of the plug housing is located in a respective slot between adjacent plug dielectric posts surrounding respective plug contacts, wherein the plug dielectric posts surrounding the plug contacts are integral parts of a continuous unitary molded plastic piece corresponding to the plug housing that includes a header that is connected to all of the plug dielectric posts. a receptacle electrical connector that is a continuous molded piece, the receptacle electrical connector comprising connector contacts that extend from a root of the receptacle electrical connector and that have connector dielectric posts surrounding parts of the connector contacts; and a plug that mates with the receptacle electrical connector, wherein the plug comprises: plug contacts that include plug dielectric posts surrounding parts of the plug contacts; and a plug housing including openings whose partitions enter into the slots formed between the connector dielectric posts when the plug is mated to the receptacle connector, characterized by the plug housing further comprising a common top wall and a common bottom wall, the plug contacts extending from a root portion of the plug housing into the openings, the openings configured to share the common top wall and the common bottom wall and to accept the connector dielectric posts therein when the plug is mated to the receptacle electrical connector, wherein each partition of the plug housing is located in a respective slot between adjacent plug dielectric posts surrounding respective plug contacts, wherein the plug dielectric posts surrounding the plug contacts are integral parts of a continuous unitary molded plastic piece corresponding to the plug housing that includes a header that is connected to all of the plug dielectric posts. plug contacts that include plug dielectric posts surrounding parts of the plug contacts; and a plug housing including openings whose partitions enter into the slots formed between the connector dielectric posts when the plug is mated to the receptacle connector, characterized by the plug housing further comprising a common top wall and a common bottom wall, the plug contacts extending from a root portion of the plug housing into the openings, the openings configured to share the common top wall and the common bottom wall and to accept the connector dielectric posts therein when the plug is mated to the receptacle electrical connector, wherein each partition of the plug housing is located in a respective slot between adjacent plug dielectric posts surrounding respective plug contacts, wherein the plug dielectric posts surrounding the plug contacts are integral parts of a continuous unitary molded plastic piece corresponding to the plug housing that includes a header that is connected to all of the plug dielectric posts.