NRS 484D.140
Additional equipment for lighting required on certain vehicles.
1.
In addition to other equipment required in chapters 484A to 484E, inclusive, of NRS, the following vehicles shall be equipped as stated in this section.2.
On every bus or truck 80 inches or more in overall width manufactured after January 1, 1970, there shall be the following:(a)
On the front, two clearance lamps, one at each side, and three identification lamps meeting the requirements of subsection 8.(b)
On the rear, two clearance lamps, one at each side, and three identification lamps meeting the requirements of subsection 8.(c)
On each side, two side marker lamps, one at or near the front and one at or near the rear.(d)
On each side, two reflectors, one at or near the front and one at or near the rear.3.
On every trailer or semitrailer 80 inches or more in overall width, there shall be the following:(a)
On the front, two clearance lamps, one at each side.(b)
On the rear, two clearance lamps, and three identification lamps meeting the requirements of subsection 8.(c)
On each side, two side marker lamps, one at or near the front and one at or near the rear.(d)
On each side, two reflectors, one at or near the front and one at or near the rear.4.
For the purposes of this section, “converter dolly” means a vehicle with a fifth wheel lower half or equivalent mechanism, the attachment of which converts a semitrailer to a full trailer. Each such dolly, when towed singly by another vehicle, and not as part of a full trailer, shall be equipped with one stop lamp, one tail lamp and two reflectors on the rear. No lighting devices or reflectors are required on the front or sides of any such dolly.5.
In addition to the requirements of subsection 3, on every trailer and semitrailer 30 feet or more in overall length, there shall be, on each side, one amber side marker lamp and one amber reflector, centrally located with respect to the length of the trailer and semitrailer.6.
On the front of every truck-tractor, there shall be two cab clearance lamps, one at each side, and if the truck-tractor is manufactured after January 1, 1970, three identification lamps meeting the requirements of subsection 8.7.
On every pole trailer, there shall be the following:(a)
On each side, one amber side marker lamp at or near the front of the load.(b)
On each side, one amber reflector at or near the front of the load.(c)
On the rearmost part of the load or the rearmost support for the load, one combination marker lamp showing amber to the front and red to the rear and side, mounted to indicate the maximum width of the pole trailer.8.
Identification lamps shall be grouped in a horizontal row, with lamp centers spaced not less than 6 nor more than 12 inches apart, and mounted on the permanent structure of the vehicle as close as practicable to the vertical centerline, except that where the cab of a vehicle is not more than 42 inches wide at the front roofline, a single identification lamp at the center of the cab shall be sufficient to comply with the requirements for front identification lamps.9.
On trailers designed to carry boats, front and rear clearance lamps may be located on each side of the trailer at or near the mid-point of the trailer between the front and rear of the trailer to indicate the extreme width of the trailer.10.
The provisions of this section shall not apply to a mobile home.
Source:
Section 484D.140 — Additional equipment for lighting required on certain vehicles., https://www.leg.state.nv.us/NRS/NRS-484D.html#NRS484DSec140.