Gallery 2 A light rig is a system of lighting equipment used in stage productions, concerts, and other live events. It typically includes a series of lights, as well as control systems and other accessories such as trusses, cables, and dimmers. The light rig is used to create a range of lighting effects and moods, and is an essential part of the overall production design. Light rigs can range in size and complexity, from small setups for local shows to large, elaborate systems used in major touring productions.