Flexible medium voltage interconnection and method to obtain same

Method to provide a medium voltage interconnection for making an electrical connection between a receiving connector of a first equipment station and a receiving connector of a second equipment station, said method comprising the step of providing an electrical connector (3, 4 ) engaging with said receiving connector (19) at each end of a flexible metal conductor (2), forming said metal conductor with its two connectors a conductive core (1), wherein said method comprises the steps of: - providing a flexible tube (11) made of at least one insulating layer (13) of elastomeric material, - expanding radially said flexible tube and sliding therein said conductive core, and - releasing said flexible tube over said conductive core.