FILE – Fans and members of the Baltimore Ravens and San Francisco 49ers wait for power to return in the Superdome in a Sunday, Feb. 3, 2013, file photo, during an outage in the second half of the NFL Super Bowl XLVII football game, in New Orleans. Officials of Entergy New Orleans say the cause of the Super Bowl blackout was a faulty device called a relay that had been installed to prevent a failure of electric cables leading to the Superdome. They said the device has been removed and replacement equipment will be installed. (AP Photo/Charlie Riedel, File)
NEW ORLEANS (AP) — The company that supplied electricity to the Super Bowl says the blackout that halted the big game was caused by a device it installed specially to prevent a power failure.
But the utility stopped short of taking all the blame and said Friday that it was looking into whether the electrical relay at fault had a design flaw or a manufacturing defect.
The relay had been installed as part of a project begun in 2011 to upgrade the electrical system serving the Superdome in anticipation of the championship game. The equipment was supposed to guard against problems in the cable that links the power grid with lines that go into the stadium.
“The purpose of it was to provide a newer, more advanced type of protection for the Superdome,” Dennis Dawsey, an executive with Entergy Corp., told members of the City Council. Entergy is the parent company of Entergy New Orleans, the Login to read more