Ngā kaiwawao hiko toenga (RCCB), e mōhiotia ana ko ngā taputapu iahiko toenga (RCD), he taputapu haumaru hiko nui e whai wāhi nui ana ki te ārai i te ru hiko me ngā ahi hiko. I roto i tēnei tuhinga, ka rukuhia e mātou te hiranga o ngā RCCB, ā rātou mahi me te take he wāhanga nui rātou o tētahi ara iahiko.
Tuatahi, he mea nui kia mārama ki te aha te RCCB me āna mahi. He taputapu te RCCB e whakatuwhera aunoa ana i te ara iahiko ina kitea he iahiko turuturu, ā, ka whakaiti i te tūponotanga o te ru hiko. Ka mahi mā te aroturuki tonu i te taurite o te iahiko e rere ana i roto i ngā waea ora me ngā waea kūpapa o te ara iahiko. Ko tētahi rerekētanga o tēnei taurite, pērā i te wa e turuturu ana te iahiko ki te whenua nā te hapa, te pā atu rānei o te tangata ki ngā wāhanga ora, ka whakaoho i te RCCB ki te tapahi tere i te pūtake hiko, ka ārai i te ru hiko ka mate pea.
Ko tētahi o ngā painga matua o ngā RCCB ko tōna kaha ki te whakarato tiaki mai i te pānga tika me te pānga ā-kore ki ngā wāhanga ora. Ka puta te pānga tika ina pā te tangata ki tētahi kaiārahi ora, ki tētahi taputapu hiko hapa rānei; ka puta te pānga ā-kore ina pā te tangata ki tētahi mea kua utaina nā tētahi hapa. I ngā āhuatanga e rua, ka taea e ngā RCCB te whakaiti i te mōrearea mā te whakakore tere i te ara iahiko me te aukati i te rere o te iahiko i roto i te tinana, ā, ka whakaiti i te kaha o te ru.
Hei tāpiritanga, he whai hua ngā RCCB ki te ārai i ngā ahi hiko. Ka āwhina ngā RCCB ki te whakaiti i ngā tūponotanga ahi i roto i ngā whakaurunga hiko nā te mea ka taea e rātou te kite i ngā ia turuturu iti ka wera rawa, ka puta pea he ahi. Nā tēnei ka noho hei mea nui mō te whakarite i te haumaru o ngā tāngata takitahi me ngā taonga.
Haunga ngā painga haumaru, kei te piki haere te hiahia mō te whakamahinga o ngā RCCB e ngā ture hanga me ngā ture i roto i te maha o ngā whenua. E whakaatu ana tēnei i te hiranga o te tāutanga o ngā RCCB ki ngā ara iahiko katoa, ahakoa he wāhi noho, he wāhi arumoni, he wāhi ahumahi rānei. Mā te whai i ēnei ture, ehara i te mea ka whakarite noa i te haumaru o ngā kainoho, engari ka āwhina hoki ki te whakaiti i te kawenga mō ngā kaipupuri whenua me ngā kaimahi hiko.
I te wā e whiriwhiri ana i tētahi RCCB, he mea nui kia whakaarohia ngā whakaritenga motuhake o te tāutanga hiko. He rerekē ngā momo RCCB e wātea ana, tae atu ki ngā kōwhiringa me ngā taumata tairongo rerekē me ngā āhuatanga takahuri. Hei tauira, ko ngā RCCB Momo AC he mea hanga tuatahi hei tiaki i ngā iahiko whakawhiti sinusoidal, ko ngā RCCB Momo A ia e whakarato ana i te tiaki tāpiri atu i ngā iahiko DC e pupuhi ana, e pai ai te whakamahi i roto i ngā ara iahiko i roto i ngā taputapu hiko, i ngā puku tere rerekē rānei. He mea nui kia kōrero ki tētahi tohunga hiko, ki tētahi miihini rānei, kia mōhio ai koe ki te momo RCCB e pai ana mō tētahi tono motuhake.
He mea nui kia mōhiotia ko te whakamātautau me te tiaki auau i ngā RCCB he mea nui kia pono ai tā rātou mahi. Mā te whakamātautau auau ka āwhina i te tautuhi i ngā raruraru, i ngā hapa rānei o te RCCB, kia mau tonu ai te mahi me te whai hua ki te whakarato tiaki. Hei tāpiri, e taunakihia ana kia tāutahia te RCCB e tētahi tohunga hiko whai raihana kia tika ai te tāutanga me te tutuki i ngā ture e tika ana.
Hei whakarāpopototanga,Ngā RCCBhe wāhanga o ngā ara iahiko hiko e whakarato ana i te tiaki nui mai i te ru hiko me ngā tūponotanga ahi. Nā tō rātou kaha ki te kite wawe me te momotu ina puta he hapa, he mea nui hei taputapu haumaru mō ngā whare noho me ngā whare arumoni. I te mea kua piki haere te aro ki te haumaru hiko me te tutuki i ngā ture, kāore e taea te whakanui rawa i te hiranga o ngā RCCB. Me mārama ngā kaipupuri whare, ngā kaimahi hiko me ngā tāngata takitahi ki te hiranga o ngā RCCB me te whakarite i tō rātou tāutanga me te tiaki i roto i ngā tāutanga hiko.
Wā tuku: Hakihea-21-2023