(A) It shall be unlawful for any electric light, heat or power company to make any electrical connection to any building until a certificate stating that the electric wiring has been approved, has been issued by the Electrical Inspector.
(B) All firms, corporations or individuals, whether operating under a regular franchise granted by the city or not, shall, upon written notice from the Inspector, disconnect from any circuit designated by the notice and shall not reconnect to the installation, except upon written notice from the Inspector.
(`90 Code, § 4-32)