Winnipeg Free Press By: Janie Har, The Associated Press Posted: Save to Read Later SAN FRANCISCO (AP) — Pacific Gas & Electric said its equipment may have been involved in starting a small wildfire that merged with a massive blaze now threatening homes in the Northern California mountains, a revelation that came Tuesday as the nation's largest utility briefed state regulators on plans to use intentional power shutoffs to try to prevent more fires. FILE - In this Oct. 10, 2019, file photo, Salvador Espinosa sweeps in the kitchen of a Mary's Pizza Shack restaurant during a Pacific Gas & Electric power shutdown in Santa Rosa, Calif. California utility regulators will hear from the state's largest electricity providers over steps taken to mitigate the use of planned power shutoffs, which regulators say should be used only as a last resort to prevent wildfires sparking from utility equipment. San Diego Gas & Electric briefs the Public Utilities Commission Monday, Aug. 2, 2021, with Southern California Edison and Pacific Gas & Electric up Tuesday. (Christopher Chung//The Press Democrat via AP, FIle)