Before any person, firm, or corporation shall hereafter engage or continue to engage in the work or business of a master or maintenance electrician in Baltimore City, as defined in this subtitle, such person, firm or corporation shall apply to the Board for a license, and the Board shall provide the applicant with the prescribed forms. This section shall not apply to any person, firm or corporation engaged in the repair and maintenance of electrical appliances and electrical home utilities insofar as making minor adjustments and repairs necessary in connection with the installation and repair of electrical appliances and utilities. City Code, 1976/83, art. 13, §78(a), (e) Ord. 83-931