The rotor core mounts on a steel shaft to form a rotor assembly. The wound rotor is another type of induction-motor-rotor construction. A major difference between the wound rotor motor and the squirrel-cage rotor is that the conductors of the wound rotor consist of wound coils instead of bars.
The 511 area code is NOT a valid area code. This area code is NOT officially assigned to a known Numbering Plan Area (NPA).
The plan area surrounds the overlay area of the city of Toronto, having area codes 416, 647, and 437. It is bounded with area code 519 and 226 in the west, 705/249 in the north, 613/343 in the east, and New York State area code 716 on the eastern prong of the Niagara peninsula.his resulted in thousands of wasted numbers, and the proliferation of cell phones, fax lines, and secondary phone lines for home dial-up Internet use only exacerbated this. By 1999, the CRTC had established an ad-hoc committee to study NPA relief planning for area code 905.