Most commercial building energy codes require automatic lighting shutoff. This common-sense strategy also adds value to lighting upgrades in existing buildings. Remote switching is one method, with an option being switches residing in a metal cabinet-type enclosure called a panel. This panel can serve as the backbone for a complete energy code-compliant control system that responds to a wide range of control inputs for indoor and outdoor lighting control. It is typically sold as a new complete unit, though panelboard retrofit assemblies are available.
This article describes common panel-based lighting control systems.