| 200 / | HD | ELECTRICITY: CIRCUIT MAKERS AND BREAKERS |
| 402 | DF | SNAP {4} |
| 405 | DF | .~ Double snap {17} |
| 410 | DF | .~.~ Rotating contact {4} |
| 419 | DF | .~.~.~ Ratchet controlled {2} |
| 421 | ![]() | .~.~.~.~ Pawl carries contact {2} |
| 422 | DF | .~.~.~.~.~> Push button actuated |
| 423 | DF | .~.~.~.~.~> Pull cord actuated |