DescriptionTwo images showing catenary and trolley wire systems.jpg
English: The two photos in this image show two types of wiring that feed (upper photo) electrically powered locomotives and (lower photo) trams or light rail vehicles. They are suited to higher-speed locomotives and lower-speed trams respectively. The photos are relevant to the Wikipedia articles "Overhead line" and "Glenelg tram line". The lower image was modified by removing intrusive vegetation.
Date
2010 (upper)
1972 (lower)
Source
Upper image is part of the image of a Transperth B-series electric train File:Transperth_Sets.JPG
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