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NEW ORLEANS - The manufacturer of a protective device blamed in the power outage that interrupted the Super Bowl said a low "trip setting" on the equipment caused the partial blackout in the Superdome.

Friday's statement from S&C Electric Co. of Chicago said the outage would have been avoided if the operator of the relay device had set the trip threshold higher.

The statement did not name the operator, but the equipment was owned and installed by Entergy New Orleans, the local electric utility company that supplies power to the dome.

Earlier Friday, Entergy said the device was the cause of the power outage.