Today the world of decorative lighting is very technical and sophisticated, evolving to suit the environment with the guidance of designs who know how to unite industrial durability and equipment technology with a desire to keep the planet clean, and all with an aim to enhancing the decorative effects of their creations. The type of professional light technologies available makes it possible to better master light in its myriad forms, to calculate its most appropriate intensity, and to provision a light which is pleasant and gentle, even to the work place. It is starting to even become intelligent. Certain sources or bulbs like LEDs, CFLs or low voltage systems do require transformers or ballasts to work properly, but they enable their appliances to better manage the light, increase the intensity, and generate "whiter" lights for technical rooms like offices or businesses, and "yellower" lights for living or the hospitality sector.