§ 337.06 SAFETY LIGHTING ON COMMERCIAL VEHICLES.
   (a)   (1)   When the Director of Public Safety prescribes and promulgates regulations relating to clearance lights, marker lights, reflectors and stop lights on buses, trucks, commercial tractors, trailers, semitrailers and pole trailers, when operated upon any highway, these vehicles shall be equipped as required by the regulations, and the equipment shall be lighted at all times mentioned in R.C. § 4513.03 or a substantially equivalent municipal ordinance, except that clearance lights and side marker lights need not be lighted on any such vehicle when it is operated within the municipality where there is sufficient light to reveal any person or substantial object on the highway at a distance of 500 feet.
      (2)   This equipment shall be in addition to all other lights specifically required by R.C. §§ 4513.03 through 4513.16, or any substantially equivalent municipal ordinances.
      (3)   Vehicles operated under the jurisdiction of the Public Utilities Commission are not subject to this section.
   (b)   Whoever violates this section is guilty of a minor misdemeanor.
(R.C. § 4513.07)