(A) The Chief Electrical Inspector, with the approval of the City Manager, may appoint assistants and inspectors as shall be authorized from time to time.
(B) The Electrical Inspector and Assistant Electrical Inspectors shall have such executive ability as is required for the performance of their duties; shall have a thorough knowledge of the standard materials and methods used in the installation of electrical conductors and equipment; they shall be well versed in approved methods of construction for safety to persons and property and in the provisions of the National Electrical Code.
(`87 Code, § 30-12)