West Virginia Code Chapter 17C. Traffic Regulations and Laws of the Road § 17C-15-5. Tail lamps

(a) Every motor vehicle, trailer or semitrailer, and any other vehicle which is being drawn at the end of a train of vehicles, shall be equipped with at least one tail lamp mounted on the rear, which, when lighted as hereinbefore required, shall emit a red light plainly visible from a distance of five hundred feet to the rear, provided that in the case of a train of vehicles only the tail lamp on the rearmost vehicle need actually be seen from the distance specified.

(b) Every tail lamp upon every vehicle shall be located at a height of not more than sixty inches nor less than twenty inches to be measured as set forth in section three (b) of this article.

(c) Either a tail lamp or a separate lamp shall be so constructed and placed as to illuminate with a white light the rear registration plate and render it clearly legible from a distance of fifty feet to the rear. Any tail lamp or tail lamps, together with any separate lamp for illuminating the rear registration plate, shall be so wired as to be lighted whenever the head lamps or auxiliary driving lamps are lighted.