California power outage: What happens when the lights go out

FILE - In this Oct. 14, 2017, file photo, Pacific Gas & Electric Co. crews work on restoring power lines in a fire ravaged neighborhood in an aerial view in the aftermath of a wildfire in Santa Rosa, Calif. PG&E says it will begin turning off power to 800,000 customers in 34 counties starting after midnight Wednesday, Oct. 9, 2019.