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).
Area code 519 was created from a split of area codes 416 and 613. In 1957 area code 519, along with area code 613, was split to form area code 705. In 2006 area code 519 was overlaid with area code 226.