The present invention relates to a disconnectable cable joint with a housing made of insulating material, wherein the housing comprises at least three sockets, wherein the second and third sockets are provided for mounting a cable to the housing contacting a conductor of the cable with one of the contact members, wherein the housing comprises two separate contact members, wherein each contact member comprises two contact faces for being in contact with a conductor of a cable and with a plug, wherein each contact member adjoins to the first socket and to the second or the third socket, wherein the first socket is provided for receiving a plug, wherein depending on the structure of the plug, the contact members are insulated from one another or electrically connected.