The present invention relates to a multi-channel connector for cables for the transportation of both power lines and data signals, the connector comprising a plurality of phase contacts or hot/live contacts, a corresponding plurality of neutral contacts, and at least a corresponding plurality of earth contacts. The contacts are configured in such a way as to transmit electric current to power electrical devices. Furthermore, at least one of the earth contacts is a coaxial contact configured in such a way as to transmit data signals.