Mitundu itatu ya malo ogulitsa GFCI

Anthu omwe abwera kuno akhoza kukhala ndi funso la mitundu ya GFCI.Kwenikweni, pali mitundu itatu yayikulu ya malo ogulitsira a GFCI.

GFCI Receptacles

GFCI yodziwika kwambiri yomwe imagwiritsidwa ntchito m'nyumba zogona ndi chotengera cha GFCI.Chipangizo chotsika mtengochi chimalowa m'malo mwa chotengera chokhazikika (chotulutsa).Imagwirizana kwathunthu ndi malo aliwonse otsika, imatha kuteteza malo ena otsika (malo aliwonse omwe amalandira mphamvu kuchokera ku GFCI).Izi zikufotokozeranso kusintha kuchokera ku GFI kupita ku GFCI - kutchula "magawo" otetezedwa.

Malo ogulitsira a GFCI amtunduwu nthawi zambiri amakhala "onenepa" kuposa malo ogulitsa wamba motero amatenga malo ambiri m'gulu limodzi la zigawenga kapena mabokosi amagetsi apagulu awiri.Zamakono zatsopano monga Faith Electric GFCI zimatenga malo ochepa kwambiri kuposa kale.Kuyika mawaya a GFCI sizinthu zazikulu, koma muyenera kuchita bwino kuti chitetezo chikhale chogwira mtima pansi.

GFCI Circuit Breaker

Akatswiri akugwiritsa ntchito ma GFCI ophwanya pafupipafupi chifukwa amalola omanga ndi amagetsi kuti agwiritse ntchito malo ogulitsira wamba ndikungoyika chophwanyira chimodzi cha GFCI m'bokosi.GFCI circuit breakers amatha kuteteza chilichonse pamagetsi - magetsi, malo ogulitsira, mafani, ndi zina zotero. Amaperekanso chitetezo kuzinthu zambiri komanso maulendo afupiafupi.

GFCI yonyamula

Chida chamtunduwu chimapereka chitetezo pamlingo wa GFCI mugawo lonyamulika.Ngati muli ndi chipangizo chomwe chimafuna chitetezo cha GFCI, koma sichingapeze malo otetezedwa - izi zimakupatsani chitetezo chofanana.

KODI MUNGAIKE GFCIS

Zotengera zambiri zakunja m'nyumba zomwe zimamangidwa kuti zigwirizane ndi National Electrical Code(NEC) zimafuna chitetezo cha GFCI kuyambira cha m'ma 1973. NEC inawonjezera kuti izi ziphatikizepo zotengera ku bafa Mu 1975.Zinatenga mpaka cha m'ma 1987 kuti code ikhale ndi zotengera zakukhitchini.Eni nyumba ambiri amapeza kuti anali kukonzanso magetsi awo kuti agwirizane ndi malamulo amakono.Zotengera zonse zomwe zili m'malo okwawa komanso zipinda zapansi zosamalizidwa zimafunanso malo ogulitsira a GFCI kapena zosweka (kuyambira 1990).

Ndizowonekeratu kuti ophwanya madera atsopano a GFCI amapangitsa kubwezeretsanso nyumba yokhala ndi chitetezo cha GFCI kukhala kosavuta kuposa kulowetsa malo aliwonse pamakina.Kwa nyumba zotetezedwa ndi ma fuse (lingalirani mozama kukweza bokosi lanu kuti muwongolere kunyumba), mungafunike kulingalira kugwiritsa ntchito zotengera za GFCI.Kuti mukweze bwino, timalimbikitsa kuyang'ana kwambiri malo ofunikira kwambiri monga mabafa, makhitchini, malo okwawirako, ndi malo akunja.