The following are expressly exempted from the provisions of this Article, with respect to undergrounding:
Trolley poles and trolley contact wires used exclusively for the transmission of electrical power for transit vehicles; single primary distribution circuits and single telephone, telegraph or other cables which cross designated districts or parts thereof not further than to the extent of the width of a single street; terminal cabinets and meter boxes when the size and location have been approved by the Director. The feeders or electrical service conductors for the trolley contact wires shall conform to the undergrounding requirements of this Article.
Additional variances may be granted by the Director.
(Added by Ord. 139-72, App. 5/26/72)