Any person not engaged in the business of electrical installation, within the scope of this code, who has in his or her exclusive employ a person or persons who possess current and valid electrician certificates, shall be permitted to have such person or persons maintain electrical wiring or otherwise perform electrical work in or on buildings or premises that are owned, leased or managed by him or her. This shall not be construed, however, to allow the installation of electrical wiring in new buildings or to additions to existing buildings. Permits shall be obtained for such work as required of this code, and the same shall be issued to the person causing the work to be done. (Ord. G-770 § 2 (part), 1993: prior code § 5-310)