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Lighting refers to the devices or techniques used for illumination, usually referring to artificial light sources such as lamps or flashlights. A lighting system consists of the light source (the lamp), ballast, and a delivery system that distributes the light and provides provisions for connecting to a power supply. The light source or lamp drives the system and is the starting point for lighting analysis and design. There are several different types of lighting systems, including fluorescent, incandescent, high intensity discharge (HID) systems, high pressure sodium lamps, and metal halide systems. The internet can be an excellent resource for learning about different types of lighting systems and equipment.
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