specific angular position in the process pressure sensor 1 is pressed against wall 20 through the pressing of sealing 11 for example impressed notch 22 prevents electric cables from being connected to plug connector 10 as long as pressure sensor 1 has not yet reached the final position fig3 a through c show the installation of the accident sensor according to the exemplary embodiments and or exemplary methods of the present invention fig3 a shows how the sensor is passed through the opening in wall 30 in this instance the view from the side of the wet area in which the pressure sensor is located for example is shown the pressure sensor has a plug connector part 33 a pressure entry channel 32 and a body 31 in this instance notch 34 is also shown which prevents cables from being connected in this installation position in fig3 b which shows the same elements using the same reference numerals the sensor has now reached the final position and thus has also left notch 34 so that the cables may be connected a rotation of 90 degrees has taken place fig3 c shows the view from the dry area and how fastening arrangement 35 fill in the opening fig4 a through f show the different steps during installation of the accident sensor from the dry area side in this instance as well identical elements are labeled with the.