The provisions of sections 49-20-02 through 49-20-08 shall not be construed to affect, control, or change the franchise rights of persons, firms, corporations, or limited liability companies owning or operating electrical supply or signal lines in or upon the highways of this state and shall be construed only as regulatory measures intended to avoid or mitigate interference from electrical supply lines with signal lines and to avoid or minimize the hazard of injury to persons or property by reason of the close association or proximity of electrical supply lines to or with signal lines. Any person violating any of the provisions of said sections or any order made by the commission pursuant thereto shall be punished by a fine of not less than twenty-five dollars nor more than fifty dollars.