25.1.8.100 Lamp and Reflectors Large Semitrailers, Full Trailers, House Trailers
Every semi-trailer, full trailer or house trailer 80 inches or more in overall width shall be equipped as follows:
(a) On the front, two (2) amber clearance lamps, one (1) at each side.
(b) One the rear, one (1) red tail lamp; one (1) at eachside; two (2) red reflectors, one (1) at each side.
(c) One each side, one (1) amber side marker lamp, located at the rear; one (1) amber reflector, located at or near the front; one (1) red reflector, located at or near the rear.
(d) Side marker lamps combined with clearance lamps may use the same light source.