A. Every person, owning or operating a line of wires over streets, alleys or buildings in the city shall use only wires that are suitable and strong. Such person shall suitably and safely attach them to strong and sufficient supports and insulate them at all points of attachment and shall remove all wires abandoned for use. Such person shall suitably insulate every wire where it enters a building and, if such is other than a wire designed to carry an electric light or power current, shall attach to it at suitable and convenient points in the circuit calculated to prevent danger from fire and near the place of entering the building, an appliance calcu lated to prevent at all times a current of electricity of such intensity or volume as to be capable of injuring electrical instruments or causing fire from entering building by means of such wire beyond the point at which such appliance is attached.
B. No section wires shall be installed, operated or maintained over any street, alley, sidewalk or building in the city which shall be liable to seriously interfere with the work of the fire department in the use of ladders or other apparatus, or which shall obstruct or render hazardous the use of fire escapes and on complaint, such hazardous wires shall be removed or properly rearranged.
C. No wires shall be strung across streets or alleys except those granted by franchise by the city.
D. Wherever possible and expedient signal wires shall be carried on the same pole with the electric light or power wires. Such joint construction shall be made as recommended by the National Electrical Safety Code. (Prior code § 16-1-13)