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Union-Pacific Railroad 2.4kV - Caldwell, ID
The railroad line fades off into the distance here. In the background is a 7.2/12.47kV distribution line from Idaho Power. Note the very long ridge pins on the railroad power line. The middle phase is grounded out and used as a shield wire, with the line running at either 2.4kV or 4.8kV ungrounded single phase.