Arizona Laws 28-938. Spot and auxiliary lamps
A motor vehicle may be equipped with any of the following:
1. Not more than one spot lamp that when lighted is aimed and used on approaching another vehicle only so that no part of the high intensity portion of the beam is directed to the left of the prolongation of the extreme left side of the vehicle nor more than one hundred feet ahead of the vehicle.
2. Not more than two fog lamps that are mounted on the front at a height of not less than twelve inches and not more than thirty inches above the level surface on which the vehicle stands and that are aimed so that when the vehicle is not loaded none of the high intensity portion of the light to the left of the center of the vehicle shall project, at a distance of twenty-five feet ahead, higher than a level of four inches below the level of the center of the lamp that is aimed.
3. Not more than two auxiliary passing lamps that are mounted on the front at a height of not less than twenty-four inches and not more than forty-two inches above the level surface on which the vehicle stands and that meet the requirements and limitations provided in sections 28-921 through 28-949.
4. Not more than two auxiliary driving lamps that are mounted on the front at a height of not less than sixteen inches nor more than forty-two inches above the level surface on which the vehicle stands and that meet the requirements and limitations provided in sections 28-921 through 28-949.