Companies were dispatched to the location for a bldg fire, in the old Drexel Hill Furniture wharehouse. The bldg is an old, very large, stone Mill bldg. 03-9a arrived reporting numerous electric wires down and arching, with fire on 2 poles and a transformer. There was also a fire in the bldg at the electirc panel. Companies dropped supply line as a precaution, and went in svc with an 1-3/4 line on the outside, and a dry chem inside.