A matsayin abin da ba makawa a cikin tsarin sarrafa lantarki, ana wakilta su cikin zane mai zane da kuma dole ne ya samar da wannan labarin na lantarki da kuma hanyar lambobin sadarwarsu, kuma don samar da tsari na fahimta wanda ke inganta zurfin fahimtar ayyukan da aikace-aikace na wannan bangaren.
Da farko dai, cil na ba da gudummawa galibi ana wakilta ta daya ko fiye da misalin murabus a cikin da'irar da'ira don nuna kasancewar ta.Lokacin da aka daidaita ruwa tare da coil biyu, saboda haka, waɗannan alamun guda biyu zasu bayyana gefe ɗaya a gefe akan zane.Don rarrabe kuma gano, za a yi alama kowane alama mai kusurwa ta musamman ta musamman alamar kalmar sirri "J" a ciki ko kusa da shi.Wannan mulkin alamar yana tabbatar da tsabta da daidaito na ƙirar da'ira.
Akwai hanyoyin wakilci guda biyu don sadarwar sadarwa don magance bukatun ƙirar daban-daban.Hanya ɗaya ita ce zana lambobin sadarwa kai tsaye a gefe ɗaya na alamomin rectangular da ke wakiltar coil, kuma wannan hanyar tana amfani dashi sosai saboda rashin hankali.Wata hanyar ita ce watsa lambobin cikin da'irar su na bibiyar su gwargwadon takamaiman bukatun kewayawa.Wannan yana buƙatar alamar rubutu mai ma'ana kusa da lambobin guda ɗaya da kuma alaƙar tuntuɓar don rarrabawa da sauƙi.
Bugu da ari, za a iya samar da lambar sadarwa ta hanyar ba da gudummawa zuwa nau'ikan asali, kowane nau'in yana da takamaiman wakiltar alama da kuma manufa ta aiki.Na farko shine matsakaiciyar lamba (h na h), wanda ake tunanin kasancewa a cikin wani fili lokacin da ba a da ƙarfi a cikin coil ba;Kuma da zarar an ƙarfafa shi, kuzari, ana rufe lambobin sadarwa.Wannan nau'in lambar alama ce tare da "H", wanda ke fama da halaye "rufe" ayyukan aiki.Abu na biyu, da motsi-refunting lamba (D Type) daidai yake da akasin nau'in motsawa.The contact is closed when it is not energized, and the contact is open after being energized.An yi alama da "D" don nuna aikinsa "kashe"..A ƙarshe, canja wurin tuntuɓar (nau'in lamba) yana samar da ƙarin hadaddun aiki.Ya ƙunshi lambobi uku, ciki har da lambar sadarwa guda biyu da lambobin biyu.A cikin jihohi daban-daban na lantarki, lambar menu na iya canzawa daga lambar lamba ɗaya ta tsaye zuwa wani, ta haka ne ke kammala canjin jihar.Wannan rukunin rukunin yanar gizo ana gano shi ta hanyar "Z".
Ta hanyar cikakken bayani, ba kawai da ingantacciyar fahimtar hanyar wakiltar hanyar da ke cikin zane mai lilo ba, amma kuma suna da cikakkiyar tattaunawa game da ƙa'idodi da aikace-aikacen lambobin sadarwa.Wannan fahimtar tsararren ƙwarewar ba wani bangare ne na kwararrun ƙwarewar kayan haɗin lantarki ba, har ma ilimin rashin tabbas lokacin ƙira.