The manager of the municipal power system is authorized, empowered and directed to have general supervision over the placing, stringing or attaching of telegraph, telephone or electric light or other wires, so as to prevent fire, accident or injury to person or property and to cause all such wires and electric light to be so placed, constructed and guarded as not to cause fire, accident or to endanger life or property; and any or all of such lights and such wires or electrical apparatus now existing, as well as those hereafter constructed and placed, shall be subject to such supervision. Whenever any electrical wire or other piece of electrical apparatus is or shall become defective by reason of improper of insufficient insulation or for other cause becomes dangerous, the manager shall at once give written notice to the owner or agent of the wire or electrical apparatus and direct that the same be repaired or removed; and upon the owner's failure to repair or remove such broken or defective wire within forty eight (48) hours of the service of the written notice, the manager shall ask for action by the board of condemnation under the provisions of chapter 2.26 of this code, or in the event of emergency shall cause the wire or apparatus to be removed or repaired at the expense of the owner or agent. (Prior code § 8-4-7)