Dubawa
Ana amfani da ƙayyadaddun tuntuɓar ma'aunin jan ƙarfe a cikin babban ƙarfin wutar lantarki, wanda aka shigar a cikin akwatin lamba. Daya switchgear sanye take da 6 inji mai kwakwalwa, ABC kowane lokaci shigar 2 inji mai kwakwalwa.
Samfura:Saukewa: AHNG105
Abu:Jan jan karfe
Girma(daidaitawa)
Bayanan siyan
① Ƙididdigar halin yanzu
② Girma
③ Abu
④ Girman rami mai dunƙulewa
⑤ Kauri mai kauri