Where there are practical difficulties in meeting the provisions of Section 32.42.020, Electrical Requirements or Section 32.52.050, Electrical Requirements, the Director may approve alternative materials, designs, or methods of construction other than those prescribed in this Title. Alternative methods of construction for Sections 32.42.020 and 32.52.050 must be reviewed and approved under procedures established in the Electrical Code. The Director must find that the proposed design is satisfactory and complies with the intended purpose of the non-land use provisions of this Title and are at least the equivalent of that prescribed in this Title in suitability and do not lessen the safety of the electrical installation.