1. Lapho ukhetha i-contactor, indawo yokusebenza kufanele icatshangelwe, futhi izici ezilandelayo kufanele zicatshangelwe.①Isixhumi se-AC kufanele sisetshenziselwe ukulawula umthwalo we-AC, futhi isixhumi se-DC kufanele sisetshenziselwe umthwalo we-DC ② Isilinganiso sokusebenza samanje soxhumana naye oyinhloko kufanele sibe mkhulu...
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