Security apparatus
Security door lock arrangement with magnetically operated switch
Security hinge having adjustable cam operator and reciprocable c
Security hinge with sealed switch and operator concealed therein
Security interface system for a door, window or the like
Seesaw switch
Seesaw switch
Seismic electrical disconnect
Seismic safety cutoff switch
Seismic sensor apparatus
Seismically activated appliance switch
Seismonastic switches with inertia responsive controller
Selection switch
Selective fire perforating gun switch
Self adjusting lid switch
Self canceller for a turn signal indicator
Self-adjusting brake engine limit switch assembly
Self-adjusting electric switch and gas cylinder
Self-adjusting interlock actuator for a hinged cover
Self-adjusting multicircuit brake switch