San Francisco 49ers home game hit by two power outages . Both are believed to have been caused by a blown signal , an official says . The first one delayed the start of the game by a few minutes . An initial power outage struck the park shortly before the start of the game , delaying the opening kickoff , football officials said . The second outage struck during the second quarter , briefly halting the game .
San Francisco 49ers home game hit by two power outages . Both are believed to have been caused by a blown signal , an official says . The first one delayed the start of the game by a few minutes . The second outage struck during the second quarter , briefly halting the game .