the internal cross section of the connection strip 11 fig4 shows the metal sheet 28 with cut out or punched out shielding plates 2 of width b with a mean spacing x between one another and with the cut out or punched out base rail 3 with the holes 5 which are used for adjustment during production the length of the metal sheet 28 corresponds to the number of shielding plates 2 of width b plus the cut gaps fig5 shows the shielding plates 2 which are rotated through 90 u00b0 with respect to the base rail 3 and are normally at a distance x from one another to achieve a shorter distance x u2032 a fold 9 is introduced into the base rail 3 as shown in fig8 the shielding device 1 is used for shielding the individual insulation piercing terminal contact elements 10 inside a connection strip 11 for high transmission rates in telecommunications and data engineering such a connection strip 11 having a plurality of insulation piercing terminal contact elements 10 arranged in pairs is illustrated and described in more detail in de 43 25 952 c2 and in u s pat no 5 494 461 u s pat no 5 494 461 is hereby incorporated by reference the connection strip 11 is illustrated in fig6 to 9 and is described in more detail below with respect to the shielding device 1 used the connection strip 11 comprises a plastic housing 12 made of an upper part 13 and a lower part 14 which are latched to one another.