(A) Weatherproofing. Line wires shall have an approved weatherproof or rubber insulating covering.
(B) Line wire placement. Line wires shall be so placed that moisture is not liable to form a cross connection between them. They shall not be in contact with anything but their supports. They shall not be less than one foot apart except when in conduit or multiple-conductor cable or on approved racks or brackets.
(C) Enclosure of line wires. Line wires shall not run over any roof or along any building wall unless installed in standard conduit or cable.
(1977 Code, § 3-15-8) Penalty, see § 10.99