The term "electrical contractor", as used in this article, means and is construed to include any person, firm or corporation engaged in the business of installing or altering, by contract, equipment and electrical appliances for the utilization of electricity supplied by light, heat or power, not including radio apparatus or equipment for wireless reception of sounds and signals, and not including apparatus, conductors and other equipment installed for or by public utilities, including common carriers, which are under the jurisdiction of the Illinois commerce commission for use in their operation as public utilities; but "electrical contractor" does not include employees employed by such contractor to do or supervise such work. (1977 Code § 15.16.030; amd. Ord. 3837, 10-10-2022)