Quote:
Originally Posted by Anon Mouse
................ why is each pantograph up?...............
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It looks like the train is made up of several (6?) separate railcars. To enable the railcars to be easily separated there are no high voltage cables between each one so they have to have their own separate pantographs (one in use and one spare). Each railcar is electrically self-contained with only the control wiring passing between them.