Disclosed herein is an electrical connector assembly. The electrical connector assembly includes a connector member, a wedge sleeve, a wedge, and outer sleeve, and an inner sleeve. The connector member has a first end section and a second end section. The wedge sleeve has a general tube shape. The wedge sleeve includes a front end and a rear end. The front end of the wedge sleeve is mounted onto the second end section of the connector member. The wedge is configured to be located between the wedge sleeve and a core member of a cable. The outer sleeve is located around the wedge sleeve. The outer sleeve has a front end which is attached onto the connector member. The inner sleeve is configured to be fitted between the outer sleeve and the cable. An outer surface of the inner sleeve comprises a first knurled area.