| 318 / | HD | ELECTRICITY: MOTIVE POWER SYSTEMS |
| 727 | DF | INDUCTION MOTOR SYSTEMS {12} |
| 739 | DF | .~ Reversing {5} |
| 749 | DF | .~.~ Operating from a single phase source {3} |
| 753 | DF | .~.~.~ With de-energizable start winding {2} |
| 754 | ![]() | .~.~.~.~ With separate winding or winding portion energized for each direction of rotation |