506 - Inspection of facilities and records.

     § 506.  Inspection of facilities and records.        The commission shall have full power and authority, either by     or through its members, or duly authorized representatives,     whenever it shall deem it necessary or proper in carrying out     any of the provisions of, or its duties under this part, to     enter upon the premises, buildings, machinery, system, plant,     and equipment, and make any inspection, valuation, physical     examination, inquiry, or investigation of any and all plant and     equipment, facilities, property, and pertinent records, books,     papers, accounts, maps, inventories, appraisals, valuations,     memoranda, documents, or effects whatsoever, of any public     utility, or prepared or kept for it by others, and to hold any     hearing for such purposes. In the performance of such duties,     the commission may have access to, and use any books, records,     or documents in the possession of, any department, board, or     commission of the Commonwealth, or any political subdivision     thereof.        Cross References.  Section 506 is referred to in sections     1706, 2212 of this title.