Abstract: A solenoid valve, particularly a built-in valve, having a valve housing which is provided on the end surface facing away from the installation side with means for the connection of electric lines which are outside the valve housing. The valve housing (6) is further provided with at least one electrically conductive contact track (3, 3') of the shape of a circular disc which is insulated from the valve housing and is electrically connected within the housing with the magnet (4), and a cup-shaped cover (2) can be placed over the end of the valve housing (1) having a contact track (3, 3'), the cover being provided on its inside on the bottom with at least one contacting element (5, 5') which engages under spring action with the corresponding contact track, the contacting element being electrically connected to electric lines (16) which are external to the housing.