The undergrounding of cables is encouraged. In any event, cables shall be installed underground at the grantee's cost where existing utilities are already underground. Previously installed aerial cable shall be undergrounded in concert, and on a cost-sharing basis, with other utilities when such other utilities may convert from aerial to underground construction.
('65 Code, § 7-8.707) (Ord. 244-C.S., passed - - ) Penalty, see § 112.999