Division 4.1 Basic parameters of the Energy subsystemF1 United Kingdom Repealed Original text. Later amendments are not shown. 4.1.1Voltage and frequency 4.1.2Overhead line and pantograph Annotations Textual amendments F1 Repealed by Commission Decision of 6 March 2008 concerning a technical specification for interoperability relating to the ‘energy’ sub-system of the trans-European high-speed rail system (notified under document number C(2008) 807) (Text with EEA relevance) (2008/284/CE). ← Division 4 Division 4.1 Division 4.1.1 →