200 / | HD | ELECTRICITY: CIRCUIT MAKERS AND BREAKERS |
402 | DF | SNAP {4} |
405 | DF | .~ Double snap {17} |
462 | .~.~ Tension spring (e.g., pull force) {3} | |
463 | DF | .~.~.~> Contact pivot point is moved to cause snap {1} |
465 | DF | .~.~.~> Both ends of spring move {1} |
467 | DF | .~.~.~> One end of spring is fixed |