Double switching, using a multipole switch to close or open two sides of a circuit
double bass | Double (association football) | double | Double Dragon | body double | Double bass | double (baseball) | double agent | double feature | Mamee Double-Decker | Double Dare | the double | double platinum | Double Dragon (TV series) | double-decker bus | Double (baseball) | Bombardier Double-deck Coach | The Double | Switching Goals | NATO Double-Track Decision | Double Tenth Incident | Double-heading | double-headed eagle | Double-elimination tournament | Double Eagle II | Double Dutch Bus | Double Dee and Steinski | Double-decker tram | Double Bay, New South Wales | Double-banded Plover |