HID is short for High Intensity Discharge lighting. Instead of the light being emitted from a filament it is discharged from plasma.
This system will involve a ballast in starting the light as well as certain gases in creating the light. Taken as a whole, compared
to the halogen lighting this system will use less energy but will produce three times the light. The light is actually created from
the electrical discharge that is between 2 electrodes in an environment of metal-halide salts and xenon gas in a light discharging
tube. The electrons that are inside this tube will collide with these metal atoms and use volts that are produced from the ballast
(control system) to generate light.