🌐EnglishEnglishDeutschEspañolFrançaisNederlandsРусский日本語EntityQ1713498· pop 7· linked from 95 articlesstepping switchelectromechanical multi-pole switch controled by a chain of pulsesAvailable in 6 languagesEspañolРусскийBasqueDanishUkrainianvia Wikidata sitelinks · CC0Connectionselectrical switchEntityWorld War IIConceptCategoriesAmerican inventionsSwitchesTelecommunications equipmentTelephone exchanges