Dimensioned manufacturer's lighting details and specifications, including footcandle distributions and ISO footcandle diagrams, shall be provided. In general, light sources with downward projection and with the lens of the light flush with the fixture housing are preferred. Canopy lights associated with nonresidential uses shall have the light lens flush with the ceiling. All lights shall be concealed source nonglare lighting and shall be focused downward so that the direct source of light is not visible from adjoining streets or properties. The lens shall be parallel to the ground. Movable fixture housings are prohibited.