We can see the correct grounding of the catenary here. After the power (here 15 kV 16,7 Hz AC) is switched off and secured against being switched on again, first the absence of voltage is checked ... (more)

A young lady rises over a ladder on the roof of the power car 410 101 of the German ICE-S high speed test train, which is standing in front of the north portal of the new Gotthard Base Tunnel (GBT... (more)