Device (1, 2, 9) for controlling electrical apparatus (Ap1, Ap2) via carrier currents, comprising an electrical connection to an electrical power supply network, an electrical connection to at least one electrical apparatus connected to said electrical power supply network, a data processing unit adapted to allow carrier current communication over said electrical power supply network between said device (1, 2, 9) and at least one other device (1, 2, 9) for carrier current control connected to the same electrical power supply network, said communication comprising a transmission over said electrical power supply network of at least one identifier of at least one of said devices for carrier current control, characterised in that it comprises: - at least one magnetic field detector, named matching command detector, which is sensitive to at least one directional magnetic matching command signal that is transmitted wirelessly and contactlessly by scanning a passive and directional transmitter of remote control signals of said matching command detector in the vicinity of the latter, said matching command detector being connected to said data processing unit; - a peripheral electric insulation protection; and in that - said data processing unit is adapted to be able to execute, upon detection by said matching command detector of a command signal representing a matching command, at least one process for matching said device for carrier current control with at least one other device (1, 2, 9) for carrier current control connected to the same electrical power supply network, said matching process comprising: ▪ at least one step of carrier current transmission over said electrical power supply network of at least one identifier of at least one of said devices (1, 2, 9) for carrier current control, named slave device (2, 9); ▪ at least one step of recording, by at least one of said devices (1, 2, 9) for carrier current control, named master device (1, 9), each identifier received via carrier currents by said master device (1, 9). - at least one magnetic field detector, named matching command detector, which is sensitive to at least one directional magnetic matching command signal that is transmitted wirelessly and contactlessly by scanning a passive and directional transmitter of remote control signals of said matching command detector in the vicinity of the latter, said matching command detector being connected to said data processing unit; - a peripheral electric insulation protection; and in that - said data processing unit is adapted to be able to execute, upon detection by said matching command detector of a command signal representing a matching command, at least one process for matching said device for carrier current control with at least one other device (1, 2, 9) for carrier current control connected to the same electrical power supply network, said matching process comprising: ▪ at least one step of carrier current transmission over said electrical power supply network of at least one identifier of at least one of said devices (1, 2, 9) for carrier current control, named slave device (2, 9); ▪ at least one step of recording, by at least one of said devices (1, 2, 9) for carrier current control, named master device (1, 9), each identifier received via carrier currents by said master device (1, 9). ▪ at least one step of carrier current transmission over said electrical power supply network of at least one identifier of at least one of said devices (1, 2, 9) for carrier current control, named slave device (2, 9); ▪ at least one step of recording, by at least one of said devices (1, 2, 9) for carrier current control, named master device (1, 9), each identifier received via carrier currents by said master device (1, 9).