A charging connection device for electric vehicles, comprising - at least one first interface for drawing electrical energy from a stationary power supply network, - at least one second interface for the controlled delivery of electrical energy to an electric vehicle, - an electronic control device with which a charging process of an electric vehicle can be monitored and/or influenced, - a power switching device with a first switching state in which a provision of electrical energy at the at least one second interface can be enabled and with a second switching state in which a provision of electrical energy at the at least one second interface can be disabled, - an energy measuring device for measuring the electrical energy supplied to an electric vehicle via the charging connection device , - a display for displaying energy measurement data relevant under measurement and calibration law, which energy measurement data was measured by the energy measuring device , - a housing in which at least the electronic control device and the power switching device and optionally the energy measuring device are accommodated, and on which housing the display for displaying the energy measurement data relevant under measurement and calibration law is arranged, wherein the display is also configured to display information which does not originate from the energy measuring device and is not relevant under measurement and calibration law, characterized in that a display control unit is formed which is configured to suppress or replace a display of contents or symbols on the display which are subject to measurement and calibration law, or to identify such contents or symbols as not conforming to measurement and calibration law, if these contents or symbols do not originate from the energy measuring device or were not created by the energy measuring device . - at least one first interface for drawing electrical energy from a stationary power supply network, - at least one second interface for the controlled delivery of electrical energy to an electric vehicle, - an electronic control device with which a charging process of an electric vehicle can be monitored and/or influenced, - a power switching device with a first switching state in which a provision of electrical energy at the at least one second interface can be enabled and with a second switching state in which a provision of electrical energy at the at least one second interface can be disabled, - an energy measuring device for measuring the electrical energy supplied to an electric vehicle via the charging connection device , - a display for displaying energy measurement data relevant under measurement and calibration law, which energy measurement data was measured by the energy measuring device , - a housing in which at least the electronic control device and the power switching device and optionally the energy measuring device are accommodated, and on which housing the display for displaying the energy measurement data relevant under measurement and calibration law is arranged, wherein the display is also configured to display information which does not originate from the energy measuring device and is not relevant under measurement and calibration law, <EOS>