| 318 / | HD | ELECTRICITY: MOTIVE POWER SYSTEMS |
| 255 | DF | PLURAL DIVERSE MOTOR CONTROLS {4} |
| 256 | DF | .~ Motor-reversing {4} |
| 264 | ![]() | .~.~ With automatic starting and/or stopping {1} |
| 265 | DF | .~.~.~> Stopping upon predetermined movement of or position of motor or driven device {1} |