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 codes 519, 226 and 548 are the telephone area codes serving most of southwestern Ontario, as well as the far western portion of the Greater Toronto Area. The main area code, 519, was created in 1953 from the western portion of 416 and the northern portion of 613. In 1957, parts of 519 and 613 formed 705.It is mostly bounded by area code 905, except for Simcoe County which is bordered by 705.t was overlaid with the new area code 226 on October 21, 2006, at which time ten-digit dialling became mandatory. Area code 226 is Canada's 25th geographical area code (not including area code 600). Area code 548 was added as a third overlay beginning on June 4, 2016.