(a) establishes, between the section of railway track on which any unit of rolling stock stands and the piping system that is to be used for the transfer, a permanent electrical connection that consists of at least two wires, each of which
a) elle installe, entre la voie ferrée sur laquelle est stationné le wagon du matériel roulant et le système de tuyaux servant au transbordement, une connexion électrique permanente comportant deux fils dont chacun