Abstract: A connection system for fluidtight connection of a first and a second pipe; the connection system includes a connecting device for establishing a fluidtight connection between the first and second pipe, and which has a fixed electric connector, a movable electric connector which is independent of the second pipe and connectable to the fixed electric connector, a control device for determining electrical connection of the fixed electric connector and the movable electric connector, and an interlocking device which only permits connection of the fixed electric connector and the movable electric connector in the presence of a connection between the first and second pipe.