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Super Bowl blackout caused by 'failure of device protecting power supply' | Super Bowl XLVII | The Guardian
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Super Bowl power outage: Baltimore Ravens, 49ers stay on field after electricity goes out in half the Superdome.
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Super Bowl Blackout: Superdome to Blame for Power Outage, Not Electric Company | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
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