Weight lifting anyone?

Weight lifting anyone?
electric trains
Image by lancea
The new overhead wires being installed on the Wellington regional railway are tensioned with weights. This isn’t the case with the old wires. Perhaps that is why they sometimes get broken, causing major delays?

Extensive work is underway on the Wellington regional railway in preparation for the arrival of new electric trains in 2010. Many new substations are being built. The overhead cables and tracks are being upgraded.

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