Ohio Administrative Code
Title 4501 - Department of Public Safety - Administration and Director
Chapter 4501-15 - Motor Vehicles-Lighting
Section 4501-15-09 - Accessory lamps

(A) A vehicle may be equipped with accessory lamps or lights as herein defined, provided that their placement or installation on the vehicle or their use does not interfere with or tend to confuse the use of required lamps or lights, that are subject to provisions in sections 4513.03 to 4513.19 and 4513.261 of the Revised Code and respective rules herein outlined.

(B) These accessory lamps or lights may be used anytime. When used they shall not exceed twenty-one candlepower intensity and shall otherwise be in accord with the current standards for construction and use issued by the Society of Automotive Engineers.