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U-50
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Being an electrical type, GE used aluminum wiring because it was cheap and there was a trend back then to do so. Unfortunately, Aluminum doesn't have the heat dissipation qualities as Copper. The UP big men upstairs decided it was too costly to re-wire the U50C's. So the rest is history. I lived in Omaha at the time all this was going on and had a front seat (my friend in the Mechanical Shop) to the events. It lives in our minds and in brass.....
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