We now know what caused that blackout during Super Bowl XLVII. New Orleans’ power utility Entergy said today that the 34-minute outage was caused by an electrical relay device designed to prevent power snafus, AP reports. The utility said it’s looking in to whether it was due to a design flaw or a manufacturing defect. However, Chicago-based manufacturer S&C Electric Co., which supplied the relay installed in the Superdome, said separately in a statement that system operators outside their purview had set the device’s trip setting too low, causing the outage. With the second-highest Super Bowl ratings in 27 years, CBS isn’t complaining.
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