NRS 484D.205
Additional equipment for lighting.
1.
Any motor vehicle may be equipped with not more than two side cowl or fender lamps which shall emit an amber or white light without glare.2.
Any motor vehicle may be equipped with not more than one running-board courtesy lamp on each side of the vehicle which shall emit a white or amber light without glare.3.
Any motor vehicle may be equipped with inside door-mounted red lamps or red reflectorizing devices or material visible to the rear of the vehicle when the doors are open.4.
Any motor vehicle may be equipped with one or more backup lamps either separately or in combination with other lamps. Backup lamps shall not be lighted when the vehicle is in forward motion.5.
Any vehicle may be equipped with lamps which may be used for the purpose of warning the drivers of other vehicles of the presence of a vehicular traffic hazard requiring the exercise of unusual care in approaching, overtaking or passing, and when so equipped may display such warning in addition to any other warning signals required by this chapter. The lamps used to display such warning to the front shall be mounted at the same level and as widely spaced laterally as practicable, and shall display simultaneously flashing white or amber lights, or any shade of color between white and amber. The lamps used to display such warning to the rear shall be mounted at the same level and as widely spaced laterally as practicable, and shall show simultaneously flashing amber or red lights, or any shade of color between amber and red. Whenever a vehicle has been equipped with such lamps they shall be kept in good operating condition. These warning lamps shall be visible from a distance of not less than 500 feet in normal sunlight.6.
Any motor vehicle may be equipped with not more than two lamps designed and of sufficient intensity for the purpose of revealing objects only in the direction of the turn while the vehicle is turning or while the turn signal lamps are operating to signal an intention to turn. The lamps shall be designed so that no glaring light is projected into the eyes of an approaching driver.7.
Any vehicle 80 inches or more in overall width, if not otherwise required by NRS 484D.140, may be equipped with not more than three identification lamps showing to the front, which shall emit an amber light without glare, and not more than three identification lamps showing to the rear, which shall emit a red light without glare. Such lamps shall be mounted in the manner provided in NRS 484D.140.8.
Every motor vehicle, trailer, semitrailer and pole trailer 80 inches or more in overall width or 30 feet or more in overall length manufactured after January 1, 1970, shall be equipped with hazardous warning lamps meeting the requirements of subsection 5.
Source:
Section 484D.205 — Additional equipment for lighting., https://www.leg.state.nv.us/NRS/NRS-484D.html#NRS484DSec205.