The highway was expected to reopen at 2 p.m., following the morning rush hour incident, Secaucus Police Chief Dennis Miller said.
The wires were down at west of the NJ Turnpike Eastern Spur, with heavy backups were reported as of 10:55 a.m.
Photos from the scene show wires laying across the end gate of the truck.
Click here to follow Daily Voice Paterson and receive free news updates.