The fire department of the city shall erect in every station of every electric light or power company, at the latter’s expense, a suitable gong and indicator, connecting with the fire lines, by which the location of all fires shall be indicated. On the occurrence of a fire in any district in which any company has wires, such company shall forthwith send a man prepared to remove such wires, under the direction of the fire department. (Code 1941, Art. 105-26)