The crash happened around noon and led to a shutdown between Sunset Boulevard and Temescal Canyon Road.
Los Angeles Department of Water and Power crews arrived and found two people trapped inside a big rig at the scene after it had struck a power pole.
The line was still energized. The occupants were told to stay inside the truck while DWP workers de-energized the line. The occupants of the truck were able to escape without injury.
PCH was expected to reopen by 5 p.m.
City News Service contributed to this report.