Section 2
SEC. 2. All poles erected and all conduits constructed or used by the grantee shall be located in places designated by the grantee: Provided, That all poles erected and used by the grantee or his successors or assigns shall be of such appearance as not to disfigure the streets, and the wires and cables carried by said poles and the underground cables shall be strung and laid in accordance with professional standards approved by the Public Service Commission; and said poles shall be of such height as to maintain the wires and cables stretched on the same at a height of at least fifteen feet above the level of the ground, and said wires and cables shall be so placed as not to imperil the public safety in accordance with a plan approved by the Public Service Commission: Provided, further, That whenever twenty-five or more pairs of wires or other; conductors are carried on one line of poles in the poblacion of the said municipalities and/or in any poblacion of the neighboring municipalities, said wires or conductors shall be placed in one cable, and that whenever more than eight hundred pairs of wires or other conductors are carried on one line of poles said wires or conductors shall be placed underground by the grantee, his successors or .assigns, whenever ordered to do so by the Public Service Commission.