Rule 4501-25-02 | General warning signal requirements.
(A) Each vehicle shall be equipped with two double-faced amber flashing lamps.
(B) The warning lamps shall be mounted as high and as far apart as practicable, but in no case should the lateral spacing be less than three feet apart.
(C) Visibility of the warning lamps shall be unobstructed by any part of the vehicle ten degrees above to ten degrees below the horizontal and from forty-five degrees to the right to forty-five degrees to the left of the centerline of the vehicle.