Assembly - comprising an electronic module for insertion into a receiving socket, -- with an electronic circuit and -- with a first contact blade and a second contact blade which are each electrically connected to the electronic circuit, -- wherein at least one of the contact blades (80, 90) has an electrical contact area formed on a front side (82, 92) and an insulating area formed on a rear side (84, 94), and - comprising the receiving socket for receiving and making contact with the electronic module which comprises the electronic circuit which is electrically connected to the first contact blade and the second contact blade, -- with a first electrical contact area for making contact with the first contact blade of the module, -- with a second electrical contact area for making contact with the second contact blade of the module and -- with a contact element which electrically connects the first contact area to the second contact area in order to forward an electrical signal when the module is removed, -- wherein the first contact blade of the module can be received between the first electrical contact area and the contact element and -- wherein the second contact blade of the module can be received between the second electrical contact area and the contact element, characterised in that the module has a symmetrical structure such that it can be inserted into the receiving socket in two different orientations, wherein the positions of the contact blades (80, 90) are exchanged, that the receiving socket is adapted to receive the module in the two different orientations rotated by 180 degrees relative to each other, wherein in the two different orientations when the module is inserted, a short circuit contact produced by the contact element between the first electrical contact area and the second electrical contact area of the receiving socket is interrupted by the insulating area of the module. - comprising an electronic module for insertion into a receiving socket, -- with an electronic circuit and -- with a first contact blade and a second contact blade which are each electrically connected to the electronic circuit, -- wherein at least one of the contact blades (80, 90) has an electrical contact area formed on a front side (82, 92) and an insulating area formed on a rear side (84, 94), and -- with an electronic circuit and -- with a first contact blade and a second contact blade which are each electrically connected to the electronic circuit, -- wherein at least one of the contact blades (80, 90) has an electrical contact area formed on a front side (82, 92) and an insulating area formed on a rear side (84, 94), and - comprising the receiving socket for receiving and making contact with the electronic module which comprises the electronic circuit which is electrically connected to the first contact blade and the second contact blade, -- with a first electrical contact area for making contact with the first contact blade of the module, -- with a second electrical contact area for making contact with the second contact blade of the module and -- with a contact element which electrically connects the first contact area to the second contact area in order to forward an electrical signal when the module is removed, -- wherein the first contact blade of the module can be received between the first electrical contact area and the contact element and -- wherein the second contact blade of the module can be received between the second electrical contact area and the contact element, -- with a first electrical contact area for making contact with the first contact blade of the module, -- with a second electrical contact area for making contact with the second contact blade of the module and -- with a contact element which electrically connects the first contact area to the second contact area in order to forward an electrical signal when the module is removed, -- wherein the first contact blade of the module can be received between the first electrical contact area and the contact element and -- wherein the second contact blade of the module can be received between the second electrical contact area and the contact element,