438.15  LIGHTS OF LESS INTENSITY ON SLOW-MOVING VEHICLES.
   (a)   Any motor vehicle may be operated under the conditions specified in Section 438.02 when it is equipped with two lighted lights upon the front thereof capable of revealing persons and substantial objects seventy-five feet ahead in lieu of lights required in Section 438.13, provided that such vehicle shall not be operated at a speed in excess of twenty miles per hour. 
 
   (b)   Whoever violates this section is guilty of a minor misdemeanor. 
(ORC 4513.16)