Pulse

In the 1988 film Pulse, a highly aggressive and intelligent pulse of electricity terrorizes the occupants of a suburban house in Los Angeles, California, taking control of appliances to kill or cause destruction. Cliff De Young stars as Bill Rockland, a divorced father trying to protect his son David (Joey Lawrence) from the electrical menace that has invaded their home. As the pulse wreaks havoc, the family must fight their way out and survive the deadly force that threatens to destroy them.