From the ancient Greek to present the technical aspect of theatre representation has been the core of a good show. Today theaters entered to be part of the entertainment industry,a very technological ground field, where lights, sounds, camera supports and special effects determine if the show is spectacular or not.
Lighting involve the process of determining the angle, size, intensity, shape, and color of light for a given scene. This might need to change in few second fractions during the show and this require, quick steady and silent move.
All this is possible just by bringing cables and optical fibers at the right point to in the proper way and this is possible through the use if a cable chain.