AFCI Basics
AFCI: UkuSombulula Ingxaki
Imililo engaphezu kwe-40,000 ibingelwa yi- wire wiring . Esinye sezizathu ezibalulekileyo zomlilo ziyimpembelelo yokuqhubela phambili, kubangela ukushisa okuphezulu okukwazi ukuqhubela umlilo kwizinto ezahlukeneyo ezifana neenkuni, iphepha kunye nempahla yokubeka impahla .
Olu hlobo lweengxaki luvela kakhulu kwiinkambo ezilimele okanye eziphosakeleyo. Iifowuni ezingapheli zingabangelwa ngumfanekiso wokulenga, ukufakela okungekho kakuhle, okanye ukuchithwa kwe-wire.
I-AFCI (i-Arc Fault Circuit)
Abaqhawuli abafakiweyo kwiminyaka yonke ba khusela kuphela kwi -loadloads kunye neesekethe ezifutshane; ukushiya inkqubo engakhuselekanga yimimiselo ye-arcing evelisa ukugeleza okwangoku. I-AFCI isebenza kuphela kwiziganeko ezikhethiweyo ukwenzela ukuba i-arcs eziqhelekileyo zingabangeli ukuba zihambe. Umqhubi wesiphaluka se-Arc usetyenziso oluqhelekileyo lwezijikelezi zesekethe ukuqonda phakathi kweemeko eziqhelekileyo nezingavumelekanga. Ukuba kukho i-arcing imeko engafanelekanga, ulawulo lwesiphaluka kwi-arc ye-circuit error circuit switches kwaye uvala umbane wokunciphisa amandla okutshiswa komlilo.
I-AFCI akufanele iphumelele kwiimeko eziqhelekileyo zokukhwela, ezinokuthi zenzeke xa kuvuliwe umtshini, okanye iplagi isuswe kwi-receptacle.
Ziye zenzelwe ukuba zidibaniselwano zesekethe eziqhelekileyo ezidibanisa ukukhutshwa kwemveli kunye nokukhutshwa kwexesha elifutshane kunye nokukhusela i-arc yenkohlakalo. I-AFCI i-circuit breaker ikhangeleka ngokufanayo kumphambuko wesiphaluka womhlaba, kunye neqhosha lokuhlola. Ezinye izakhiwo zidibanisa i-GFCI kunye ne-AFCI.
I-Arc circuit error circuit switch iyakunqanda ukukhutshwa kweephene, kodwa ziya kunciphisa umngcipheko wokuba kwenzeka.
Ngamanye amaxesha i-arc yokuqala ingabangela ukutshabalalisa ngaphambi kokuphazamiseka nokuphazamiseka kwesekethe yi-AFCI.
I-AFCI iya kukhusela inkqubo kwakhona kwi-loadload kwaye iya kunika nokukhuseleka okuthe ngqo kumacandelo emandla kunye neentambo zokunyusa.
AFCI Uses
I-AFCI iyadingeka kwiisekethe eziqulethe izithengelo kumagumbi okulala kwaye zikhawulelwe ukwakhiwa olutsha kuphela. Nangona kunjalo, kuyinto efanelekileyo ukuyifaka kwiiyunithi zokuhlala kwakhona. Amakhaya asebekhulile anokuguga kunye nokwahlukana kwezixhobo zentambo zinganceda ngokukhethekileyo ekukhuselweni okongeziweyo kwama-AFCI. I-AFCI kufuneka iqwalaselwe kwakhona xa idibanisa okanye ihlaziya ibhokisi yepaneli ngelixa isebenzisa abaqhubi beesekethe beekomiti ezikhoyo.
Ukususela ngoJanuwari 2008 kuphela "uhlobo oludibeneyo" I-AFCI iya kuhlangabezana neemfuneko ze-NEC. I-NEC ka-2008 idinga ukufakwa kwe-AFCI yohlobo oludibeneyo kuwo onke ama-15 kunye no-20 amperes iipokethi zokuhlala ngaphandle kweempahla zokuhlamba, iikhikhini, amabala okuhlamba, amagaraji kunye nezakhiwo eziphantsi.
Ukuvavanya i-AFCI
Ezi ntlobo zeekhefu kufuneka zivavanywe ubuncinane kanye ngenyanga ukuze ziqinisekise ukuba zisebenza ngokufanelekileyo. Ukuba isixhobo asihambanga xa sivavanywa, i-AFCI ayilunganga kwaye kufuneka ithathe indawo.
AFCI Vs. Izizathu ezingekho phantsi
Nangona zibonakala zifana nokubonakala, i-AFCI inikezela kuphela ukukhusela kwimililo ebangelwa yimpembelelo yokugqithisa, ngelixa umphambuko wesiphaluka womhlaba ( GFCI ) ukhusela abantu ekutshitsheni kwamagetsi.
I-GFCI iyakwazi ukukhusela eminye imililo yombane ngokuthumela ukukhwela kunye nezinye iziphene kumhlaba kodwa ayikwazi ukufumana iimpembelelo ezinobungozi kwi-arch-line-line engabangela umlilo.
Iphutha elisemgangathweni ngumzila ongeyena umbane owenzela ikhoyo ngoku. UMgaqo weSizwe woMbane ufuna ukukhusela i- GFCI kwiimpahla ezikude; kwigumbi lokuhlambela, iigaraji, iikhikhini, izithuba zokukhawulela kunye neendawo zokuhlala ezingapheli; kunye nakwiindawo ezithile ezifana namachibi okubhukuda. Inhlanganisela ye-AFCI kunye ne-GFCI ingasetyenziselwa ukwanelisa imfuno ye-NEC yokukhusela i-GFCI kuphela xa ichongwe ngokukodwa njengesixhobo sokudibanisa.