Section 3
SEC. 3. All apparatus and appurtenances used by the grantees or hereafter by their successors or assigns shall be modern and first class in every respect, and the electric transmission wires shall be insulated and carefully connected and fastened so as not to come in direct contact with any object through which a "ground" could be formed, and shall be stretched so as not to interfere with the free use of said streets and public thoroughfares nor cause any injury to the public, danger of fire, or damage and inconvenience to the owners of property: Provided, That in the maintenance and operation of their plant and system for the transmission and distribution of electric current, the grantees shall always be subject to such reasonable regulations as the municipal council of Calivo and the provincial board of Capiz may promulgate in the premises, and also to the regulations prescribed by the "National Electrical Code" of America: Provided, further, That the; grantees shall, whenever the Philippine Legislature, upon' recommendation of the Public Service Commission or its legal successor, so directs, place said wires in underground pipes or conduits at their own expense, and without any cost and prejudice to the municipality above mentioned.