A push-on connector system, comprising: a male connector portion including a conductor pin, a first bore and a second bore, said second bore being of a larger diameter than the first bore; a female connector portion including a socket; and a resilient member, wherein the first bore is a male push-on bore, the conductor pin is mounted in the male push-on bore, and the female connector portion further comprises a core element including a female push-on core, the socket is mounted in the female push-on core, the male push-on bore is configured to receive the female push-on core so the conductor pin is received in the socket, and the second bore is configured forwardly of the male push-on bore, a latch track positioned in the second bore and forming at least one latch surface, and a movable collar mounted rearwardly of the female push-on core and movable with respect to the female push-on core, the movable collar including at least one pin mounted thereon, the movable collar is configured for engaging the second bore and being rotatable and axially slidable on the outside of the core element, the at least one pin sliding along the at least one latch surface when the collar is rotated to axially drive the movable collar into the second bore and secure the female push-on core into the male push-on bore, the resilient member being coupled between the movable collar and female push-on core, the resilient member being operably captured between the core element and the movable collar and biasing the female push-on core into the male push-on bore when the movable collar is axially driven into the second bore. a male connector portion including a conductor pin, a first bore and a second bore, said second bore being of a larger diameter than the first bore; a female connector portion including a socket; and a resilient member, wherein the first bore is a male push-on bore, the conductor pin is mounted in the male push-on bore, and the female connector portion further comprises a core element including a female push-on core, the socket is mounted in the female push-on core, the male push-on bore is configured to receive the female push-on core so the conductor pin is received in the socket, and the second bore is configured forwardly of the male push-on bore, a latch track positioned in the second bore and forming at least one latch surface, and a movable collar mounted rearwardly of the female push-on core and movable with respect to the female push-on core, the movable collar including at least one pin mounted thereon, the movable collar is configured for engaging the second bore and being rotatable and axially slidable on the outside of the core element, the at least one pin sliding along the at least one latch surface when the collar is rotated to axially drive the movable collar into the second bore and secure the female push-on core into the male push-on bore, the resilient member being coupled between the movable collar and female push-on core, the resilient member being operably captured between the core element and the movable collar and biasing the female push-on core into the male push-on bore when the movable collar is axially driven into the second bore.