Any person, firm or corporation engaged in the business of electrical contracting for the installation of wiring and apparatus for electric light, heat or power in the city, who fails to correct promptly any defects in any work done by him contrary to this chapter and the electrical code adopted in section 10-2-1 of this title, after having been notified by the electrical inspector, shall not be issued any further permits until such defects have been corrected; and in any case, if any person shall continue to or persistently violate this code in regard to electrical work or the orders of the electrical inspector in relation to same, the registration and permit of such person shall be suspended or revoked. (1992 Code § 5-408)