Facilitates international rail travel by standardizing traction supply voltages like 1,500 V DC or 25 kV AC. The current seventh edition (IEC 60038:2009) and its Amendment 1 (2021) can be accessed via the IEC Webstore or through technical repositories like iTeh Standards or the specific differences in 60 Hz Series II IEC 60038 Standard Voltage Overview | PDF | Volt - Scribd
These high-voltage standard voltages are used for transmission and distribution of electrical power over long distances.