Those sections of this chapter which follow immediately, including sections 39-21-08, 39-21-09, 39-21-10, 39-21-11, and 39-21-12, relating to clearance and marker lamps, reflectors, and stoplights, apply as stated in said sections to vehicles of the type therein enumerated, namely passenger buses, trucks, truck tractors, and certain trailers, semitrailers and pole trailers, respectively, when operated upon any highway, and said vehicles must be equipped as required and all lamp equipment required must be lighted at the times mentioned in section 39-21-01, except that clearance and side marker lamps need not be lighted on any said vehicle when operated within any municipality where there is sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet [152.4 meters].