A connector (100) for making an electrical connection between two plates (110, 120) that are mechanically secured to one another, the connector comprising a first socket (50) for fixing to a first plate (110), a second socket (60) for fixing to a second plate (120), and a connector pin (150), the first and second sockets both comprising an aperture (55, 65) for receiving the connector pin (150), wherein the connector further comprises a first spring (161) for contacting between the connector pin and the first socket, and a second spring (162) for contacting between the connector pin and the second socket.