Warning Sign on a 110 KV-pylon near Coesfeld in Germany "Hochspannung Lebensgefahr" (English: "High Voltage Danger To Life") Sign like this would be found on most poles and pylons in Germany (if the voltage is higher than 1 KV). RWE is on of the four major Power companies in Germany. Following Voltages are used normally for power delivery in Germany: High Voltage: 380, 220, 110 KV Medium Voltage: 30, 20, 10 KV Low Voltage: 400 Volts (3 Phases), 230 Volts