Abstract: Display systems and a power clamp for use therein, the power clamp configured to releasably connect an illuminated graphics panel to a power source, are disclosed. The power clamp includes an actuating member, a biasing mechanism, a connector housing for retaining connector and a power ribbon or cable, the power clamp providing a safe and efficient method of temporarily securing and removably releasing a flexible printed circuit or illuminated graphics panel into a display system without requiring hard wiring of the panel to the display system, the printed circuit board or power source.