Peb Hom GFCI qhov hluav taws xob

Cov neeg tuaj ntawm no yuav muaj lus nug txog GFCI hom.Hauv paus, muaj peb hom tseem ceeb ntawm GFCI qhov hluav taws xob.

GFCI Receptacles

Feem ntau GFCI siv rau cov tsev nyob yog GFCI receptacle.Cov cuab yeej pheej yig no hloov tau tus qauv txais (qhov hluav taws xob).Ua tiav nrog txhua qhov hluav taws xob tus qauv, nws tuaj yeem tiv thaiv lwm qhov hluav taws xob qis (txhua qhov hluav taws xob txais hluav taws xob los ntawm GFCI qhov hluav taws xob).Qhov no kuj piav qhia txog kev hloov pauv ntawm GFI rau GFCI - txhawm rau hais txog kev tiv thaiv "circuits".

Hom GFCI qhov hluav taws xob no feem ntau yog "roj" dua li cov qauv hluav taws xob yog li siv ntau qhov chaw hauv ib leeg lossis ob lub thawv hluav taws xob.Cov thev naus laus zis tshiab zoo li Kev Ntseeg Hluav Taws Xob GFCI siv qhov chaw tsawg dua li yav dhau los.Txuas lub qhov hluav taws xob GFCI tsis yog qhov loj, tab sis koj yuav tsum ua kom raug thiaj li tiv thaiv kom muaj txiaj ntsig zoo hauv qab.

GFCI Circuit Breaker

Cov kws tshaj lij siv GFCI Circuit Court breakers ntau zaus txij li thaum lawv tso cai rau cov neeg tsim khoom thiab cov neeg siv hluav taws xob siv cov khoom siv hluav taws xob thiab tsuas yog nruab ib qho GFCI Circuit Court breaker hauv lub npov vaj huam sib luag.GFCI Circuit Court breakers tuaj yeem tiv thaiv txhua qhov kev sib tw ntawm lub voj voog-teeb, qhov hluav taws xob, kiv cua, thiab lwm yam. Lawv kuj muab kev tiv thaiv kev tiv thaiv overloads thiab luv luv-circuits.

Portable GFCI

Cov cuab yeej no muab GFCI-theem kev tiv thaiv hauv ib chav nyob.Yog tias koj muaj ib lub cuab yeej xav tau kev tiv thaiv GFCI, tab sis nrhiav tsis tau lub qhov hluav taws xob tiv thaiv - qhov no muab kev tiv thaiv tib yam rau koj.

QHOV CHAW UA HAUJ LWM GFCIS

Feem ntau cov khoom siv sab nraum zoov hauv tsev tsim kom ua raws li National Electrical Code (NEC) yuav tsum muaj kev tiv thaiv GFCI txij li xyoo 1973. NEC tau txuas ntxiv tias kom suav nrog cov khoom siv hauv chav dej hauv xyoo 1975. Xyoo 1978, cov chaw nres tsheb phab ntsa tau ntxiv.Nws coj mus txog rau ib puag ncig xyoo 1987 rau txoj cai kom suav nrog chav ua noj.Ntau tus tswv tsev pom tias lawv tau rov kho lawv cov hluav taws xob kom ua raws li txoj cai tam sim no.Txhua qhov chaw nkag hauv qhov chaw nkag thiab cov hauv qab daus tsis tiav kuj xav tau GFCI qhov hluav taws xob lossis cov khoom tawg (txij li xyoo 1990).

Nws yog qhov tseeb tias GFCI Circuit Court breakers tshiab ua kom rov qab kho lub tsev nrog GFCI kev tiv thaiv yooj yim dua li hloov txhua qhov hluav taws xob hauv ib qho system.Rau cov tsev uas muaj kev tiv thaiv los ntawm fuses (tseem ceeb xav txog kev hloov kho koj lub thawv rau kev txhim kho tsev), koj yuav tsum xav txog siv GFCI receptacles.Rau kev kho dua tshiab, peb pom zoo kom tsom mus rau qhov tseem ceeb tshaj plaws xws li chav dej, chav ua noj, chaw nkag, thiab qhov chaw sab nraum zoov.