A method for checking the measurement accuracy of a charging connection device for electric vehicles, the charging connection device comprising - an input interface for feeding electrical energy from a stationary power supply network into the charging connection device, - a charging interface (12, 13) for the controlled delivery of electrical energy to an electric vehicle, - a power switching element for the controlled transfer of electrical energy to the charging interface (12, 13), - at least one control device for monitoring and controlling functional sequences of at least the charging connection device, and - an energy measuring device, which energy measuring device is provided for measuring and counting the amount of electrical energy drawn during charging processes of electric vehicles, the control method comprising the steps of: - connecting the input interface and the charging interface (12, 13) to a calibration control device, which calibration control device comprises at least one voltage source and at least one current source, - switching the charging connection device by an operator to an energy metering test mode by a deliberate action, which switching to the energy metering test mode comprises at least the following steps: -- transferring a vehicle communication device or a communication routine of the charging connection device with respect to an electric vehicle to a communication inactive state, for example starting from a communication standby state, -- deactivating personal safety functions of the charging connection device, -- closing or keeping closed the power switching element, - carrying out the check of the measurement accuracy of the charging connection device by means of the connected calibration control device. - an input interface for feeding electrical energy from a stationary power supply network into the charging connection device, - a charging interface (12, 13) for the controlled delivery of electrical energy to an electric vehicle, - a power switching element for the controlled transfer of electrical energy to the charging interface (12, 13), - at least one control device for monitoring and controlling functional sequences of at least the charging connection device, and - an energy measuring device, which energy measuring device is provided for measuring and counting the amount of electrical energy drawn during charging processes of electric vehicles, - connecting the input interface and the charging interface (12, 13) to a calibration control device, which calibration control device comprises at least one voltage source and at least one current source, - switching the charging connection device by an operator to an energy metering test mode by a deliberate action, which switching to the energy metering test mode comprises at least the following steps: -- transferring a vehicle communication device or a communication routine of the charging connection device with respect to an electric vehicle to a communication inactive state, for example starting from a communication standby state, -- deactivating personal safety functions of the charging connection device, -- closing or keeping closed the power switching element, -- transferring a vehicle communication device or a communication routine of the charging connection device with respect to an electric vehicle to a communication inactive state, for example starting from a communication standby state, -- deactivating personal safety functions of the charging connection device, -- closing or keeping closed the power switching element, - carrying out the check of the measurement accuracy of the charging connection device by means of the connected calibration control device.