(a) 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 such regulations, and such equipment shall be lighted at all times mentioned in Ohio R.C. 4513.03 or a substantially similar 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.
(b) Such equipment shall be in addition to all other lights specifically required by Ohio R.C. 4513.03 through 4513.16, or any substantially similar municipal ordinances.
(c) Vehicles operated under the jurisdiction of the Public Utilities Commission are not subject to this section.
(ORC 4513.07(A))