Posted by Seva on January 9, 2013 
Why does one of the passenger cars have a pantograph?
Posted by bantam61668 on January 10, 2013 
Well spotted! The RhB found that the locos were not supplying enough amps to heat some of the longest trains in winter. They therefore fitted a number of baggage vans with transformers to supply electricity to heat/light the trains, these were introduced a year or two ago. They are also able to supply heat to carriages when a locomotive is not attached to the train.
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