Abstract: There is provided a plastic cylindrical electrical connector including a plug and a receptacle, each having a plurality of cavities extending longitudinally therethrough. The cavities are adapted to receive a corresponding plurality of plastic modules. The modules have a plurality of holes for receiving electrical contacts. The plug and receptacle also have a plurality of holes for receiving individual electrical contacts. Each module includes at least one tab extending rearward from the module. The cavities in the plug and receptacle have at least one recess therein for securing the tab of the module and preventing the module from moving in one direction. The cavities of the plug and receptacle also include at least one shoulder to prevent the modules from moving in the other direction.