Disclosed is a connector assembly, which includes a metal base which defines a housing cavity arranged to receive the end of a male connector, a resilient interface element inside the housing cavity, and a metal clip inside the housing cavity by the resilient interface element. The metal clip engages removably with the end of the male connector inserted into the housing cavity to connect the metal base to the male connector. Also disclosed is a resilient interface element providing an interface between a male connector and a metal base defining a housing cavity to receive the end of a male connector, as well as a kit of parts. Such kit contains a metal base defining a housing cavity receiving the end of a male connector, a metal clip arranged to be capable of engaging removably with the end of the end of the male connector, and a resilient interface element.