I-Residual current breaker, eyaziwa ngokuba yiI-RCCB, sisixhobo esibalulekileyo sokukhusela abantu ekutshatyalalisweni ngumbane nokuthintela imililo yombane. Sisebenza ngokubeka esweni rhoqo umbane kwisekethe kunye nokucima umbane ukuba kukho ukungalingani okufunyenweyo. Oku kungalingani, okubizwa ngokuba yi-residual current, kwenzeka xa umbane ohamba kwisekethe wahlukile kumbane ophuma kwisekethe.
Injongo ephambiliI-RCCBkukuthintela ukutshayiswa ngumbane. Oku kwenza oku ngokuphazamisa ngokukhawuleza isekethe xa ibona ukuvuza kwamandla emhlabeni. Oku kunokwenzeka, umzekelo, ukuba umntu ngengozi udibana nentambo ephilayo okanye ukuba izixhobo zingasebenzi kakuhle. Ngokunqumla umbane ngoko nangoko,I-RCCBithintela ukuhamba kwamanzi ngakumbi kwaye isusa umngcipheko wokutshayiswa ngumbane.
Ukongeza ekukhuseleni abantu ngabanye,Ii-RCCBzikwadlala indima ebalulekileyo ekuthinteleni imililo yombane. Xa iingcingo okanye izixhobo zombane zingasebenzi, zinokubangela ubushushu obugqithisileyo okanye iintlantsi, ezinokubangela umlilo. Amandla okuIi-RCCBukufumanisa nokuphendula kwimisinga yombane engaqhelekanga kunciphisa amathuba okuba kubekho imililo enjalo. Ngokucima umbane kwangoko xa kufunyenwe impazamo,I-RCCBiqinisekisa ukuba isekethe okanye izixhobo ezineziphene ziyahlukaniswa, ngaloo ndlela kunciphisa umngcipheko womlilo.
Ukongeza,iziphuli zesekethe zokuvuza komhlabaZinezibonelelo ezininzi kunezixhobo zokukhusela ezisebenzisa umbane ogqithisileyo njengeefusi kunye nee-circuit breakers. Ngenxa yokuba ziyakwazi ukubona nemisinga emincinci eseleyo, zibonelela ngokhuseleko oluphuculweyo kwi-electrical shock. Ukongeza,Ii-RCCBzinovelwano ngakumbi kukungalingani okukhoyo ngoku, nto leyo evumela ukuba kubekho amaxesha okuphendula akhawulezileyo kunye nokhuseleko olukhulu.
Ukuqinisekisa ukusebenza kakuhle, kubalulekile ukuba i-RCCB ifakwe ngokuchanekileyo. Kufuneka ibekwe kwindawo yokuqala yesekethe, ngokuqhelekileyo i-switchboard okanye iyunithi yabathengi. Ukugcinwa nokuvavanywa rhoqo kubalulekile ukuqinisekisa ukusebenza kakuhle kwe-RCCB. Ezi zixhobo kufuneka zivavanywe ubuncinane kanye ngenyanga, kusetyenziswa iqhosha lokuvavanya elakhelwe ngaphakathi ukulinganisa impazamo nokuqinisekisa ukuba i-RCCB ikhubeke ngokuchanekileyo.
Isishwankathelo,iziphuli zesekethe zokuvuza komhlabazibonelela ngokhuseleko olubalulekileyo ekutshatyalalisweni ngumbane kunye nomlilo wombane. Ukukwazi kwazo ukubona nokuphendula kumbane oshiyekileyo kuzenza zibe yinxalenye ebalulekileyo kuyo nayiphi na inkqubo yombane.I-RCCBinceda ekuqinisekiseni ukhuseleko lwabantu kunye nempahla ngokuphazamisa umbane ngoko nangoko xa kufunyenwe impazamo. Ukugcinwa nokuvavanywa rhoqo kubalulekile ukuqinisekisa ukuthembeka kweI-RCCB.
Ixesha lokuthumela: Okthobha-18-2023