Edison says current increase "remained within the design limits and operating criteria" for the circuits and "did not trigger system protection on these lines."

High-voltage power lines saw a temporary surge in electrical current in the area where the deadly Eaton Fire is believed to have started, Southern California Edison said.

Southern California Edison, a unit of utility Edison International, said on Monday preliminary analysis of data showed a "momentary and expected increase in current" on its energized lines in the Eaton Canyon corridor on Jan.