Raws li General Electrical Home Inspection Standards of Practice, "Ib tug neeg soj ntsuam yuav tsum tshuaj xyuas tag nrho cov hauv av-fault circuit interrupter receptacles thiab Circuit Court breakers pom thiab pom tias yog GFCIs siv GFCI tester, qhov twg ua tau ... thiab receptacles, suav nrog receptacles pom thiab pom tau tias yog arc-fault circuit interrupter (AFCI)-tiv thaiv siv AFCI xeem khawm, qhov twg ua tau. "Cov neeg soj ntsuam hauv tsev yuav tsum paub lawv tus kheej nrog cov ntaub ntawv hauv qab no kom nkag siab ntxiv txog yuav ua li cas thiaj li ua tau zoo thiab ua tib zoo tshuaj xyuas ntawm GFCIs thiab AFCIs.
Cov hauv paus
Txhawm rau nkag siab txog GFCIs thiab AFCIs, nws yuav pab tau kom paub ob peb lub ntsiab lus.Ib qho khoom siv yog ib feem ntawm lub tshuab hluav taws xob, tsis yog cov khoom siv hluav taws xob, uas nqa lossis tswj hluav taws xob.Lub teeb hloov yog ib qho piv txwv ntawm ib qho khoom siv.Lub qhov hluav taws xob yog qhov taw tes hauv cov kab hluav taws xob uas tam sim no nkag mus rau cov khoom siv.Piv txwv li, lub tshuab ntxhua khaub ncaws tuaj yeem txuas rau hauv qhov hluav taws xob hauv lub dab dej.Lwm lub npe rau qhov hluav taws xob hluav taws xob yog lub chaw txais hluav taws xob.
GFCI yog dab tsi?
Ib qho kev cuam tshuam hauv av, lossis GFCI, yog ib qho cuab yeej siv hauv hluav taws xob xaim hluav taws xob los txiav tawm Circuit Court thaum tsis muaj qhov ntsuas tam sim no ntawm tus neeg xyuas pib muaj zog thiab tus neeg xyuas pib nruab nrab.Xws li qhov tsis txaus ntseeg yog qee zaum tshwm sim los ntawm tam sim no "tawm" los ntawm tus neeg uas ib txhij nyob rau hauv kev sib cuag nrog hauv av thiab ib feem ntawm lub zog, uas tuaj yeem ua rau tuag taus.GFCIs tau tsim los muab kev tiv thaiv hauv qhov xwm txheej zoo li no, tsis zoo li cov qauv hluav taws xob hluav taws xob, uas tiv thaiv cov khoom siv ntau dhau, luv Circuit Court thiab hauv av txhaum.
AFCI yog dab tsi?
Arc-fault circuit interrupters (AFCIs) yog cov khoom tshwj xeeb ntawm cov khoom siv hluav taws xob lossis cov hluav taws xob hluav taws xob thiab cov hluav taws xob hluav taws xob tsim los xyuas thiab teb rau cov hluav taws xob uas muaj feem cuam tshuam txog hluav taws xob hluav taws xob nyob rau hauv cov kab hluav taws xob hauv tsev.Raws li tsim, AFCIs ua haujlwm los ntawm kev saib xyuas cov hluav taws xob nthwv dej thiab qhib tam sim (sib cuam tshuam) Circuit Court lawv ua haujlwm yog tias lawv pom qhov hloov pauv ntawm cov qauv nthwv dej uas yog cov yam ntxwv ntawm qhov txaus ntshai arc.Ntxiv rau qhov kev tshawb pom ntawm cov qauv yoj txaus ntshai (arcs uas yuav ua rau hluav taws kub), AFCIs kuj tau tsim los sib txawv kev nyab xeeb, ib txwm arcs.Ib qho piv txwv ntawm qhov arc no yog thaum lub tshuab hluav taws xob qhib lossis lub ntsaws ntsaws yog rub los ntawm lub chaw txais khoom.Cov kev hloov me me hauv cov qauv yoj tuaj yeem kuaj pom, lees paub, thiab teb los ntawm AFCIs.
2015 International Residential Code (IRC) Requirements for GFCIs thiab AFCIs
Thov xa mus rau Tshooj E3902 ntawm 2015 IRC uas cuam tshuam rau GFCIs thiab AFCIs.
Kev tiv thaiv GFCI raug pom zoo rau cov hauv qab no:
- 15- thiab 20-amp chav ua noj countertop receptacles thiab outlets rau tshuab ntxuav tais diav;
- 15- thiab 20-amp chav dej thiab ntxhua khaub ncaws receptacles;
- 15- thiab 20-amp receptacles nyob rau hauv 6 ko taw ntawm sab nraum ntug ntawm lub dab dej, da dej los yog da dej;
- hluav taws xob-rhuab pem teb nyob rau hauv chav dej, chav ua noj, thiab hydromassage tubs, spas, thiab kub tubs;
- 15- thiab 20-amp sab nrauv receptacles, uas yuav tsum muaj GFCI kev tiv thaiv, tshwj tsis yog rau cov receptacles tsis tau yooj yim nkag tau uas yog siv rau ib ntus snow-melting khoom thiab nyob rau hauv ib tug tshwj xeeb circuits;
- 15- thiab 20-amp receptacles nyob rau hauv garages thiab cov tsev cia khoom tsis tiav;
- 15- thiab 20-amp receptacles nyob rau hauv lub nkoj nkoj thiab 240-volt thiab tsawg qhov hluav taws xob ntawm lub nkoj hoists;
- 15- thiab 20-amp receptacles nyob rau hauv lub qab daus tsis tiav, tsuas yog receptacles rau hluav taws los yog tub sab tswb;thiab
- 15- thiab 20-amp receptacles nyob rau hauv crawlspaces ntawm lossis qis dua hauv av.
GFCIs thiab AFCIs yuav tsum tau nruab rau hauv qhov chaw nkag tau yooj yim vim tias lawv muaj cov nyees khawm sim uas yuav tsum tau thawb ib ntus.Cov neeg tsim khoom pom zoo kom cov tswv tsev thiab cov neeg soj ntsuam kuaj xyuas lossis ntsuas cov khoom tawg thiab cov khoom siv ib ntus los pab kom ntseeg tau tias cov khoom siv hluav taws xob ua haujlwm zoo.
Kev tiv thaiv AFCI raug pom zoo ntawm 15- thiab 20-amp qhov hluav taws xob ntawm cov kab hluav taws xob rau cov chav pw, txee dai khaub ncaws, dens, chav noj mov, tsev neeg chav, chav ua noj, chav ntxhua khaub ncaws, tsev qiv ntawv, chav nyob, chav tsev so, chav ua si, thiab chav hnub ci.
Cov chav zoo sib xws lossis thaj chaw yuav tsum muaj kev tiv thaiv los ntawm ib qho ntawm cov hauv qab no:
- Ib qho kev sib xyaw ua ke-hom AFCI tau nruab rau tag nrho cov ceg hluav taws xob.2005 NEC xav tau kev sib txuas-hom AFCIs, tab sis ua ntej Lub Ib Hlis 1, 2008, ceg / feeder-type AFCIs tau siv.
- ib ceg / feeder-type AFCI breaker ntsia ntawm lub vaj huam sib luag ua ke nrog AFCI receptacle ntawm thawj lub qhov hluav taws xob ntawm lub voj voog.
- ib daim ntawv teev cov khoom siv tiv thaiv hluav taws xob tiv thaiv hluav taws xob (uas tsis tau tsim tawm) tau nruab rau ntawm lub vaj huam sib luag nrog rau AFCI receptacle ntsia ntawm thawj qhov hluav taws xob, qhov twg tag nrho cov hauv qab no tau ntsib:
- txoj hlua txuas txuas ntxiv ntawm qhov hluav taws xob thiab AFCI qhov hluav taws xob;
- qhov ntev tshaj plaws ntawm cov xov hlau tsis ntau tshaj 50 feet rau 14-gauge hlau, thiab 70 feet rau 12-gauge hlau;thiab
- thawj lub qhov hluav taws xob yog cim tias yog thawj qhov hluav taws xob.
- ib daim ntawv teev AFCI receptacle ntsia ntawm thawj qhov hluav taws xob ntawm lub voj voog ua ke nrog cov khoom siv tiv thaiv overcurrent, qhov twg tag nrho cov xwm txheej hauv qab no tau ntsib:
- txoj hlua txuas txuas ntxiv ntawm lub cuab yeej thiab lub chaw txais khoom;
- qhov ntev tshaj plaws ntawm cov xaim tsis ntau tshaj 50 feet rau 14-gauge hlau thiab 70 feet rau 12-gauge hlau;
- thawj qhov hluav taws xob raug cim tias yog thawj qhov hluav taws xob;thiab
- Kev sib xyaw ua ke ntawm cov khoom siv tiv thaiv overcurrent thiab AFCI receptacle raug txheeb xyuas raws li qhov yuav tsum tau ua rau kev sib xyaw ua ke-hom AFCI.
- AFCI receptacle thiab hlau thaiv txoj kev;thiab
- AFCI receptacle thiab pob zeb encasement.
Cov ntsiab lus
Hauv cov ntsiab lus, txhawm rau xyuas kom meej tias cov hluav taws xob hluav taws xob thiab cov khoom siv hluav taws xob ua haujlwm tau zoo, cov tswv tsev thiab cov neeg soj ntsuam hauv tsev yuav tsum ua ntu zus los yog ntsuas cov khoom siv hluav taws xob kom zoo.Kev hloov tshiab tsis ntev los no ntawm IRC xav tau tshwj xeeb GFCI thiab AFCI kev tiv thaiv rau 15- thiab 20-amp receptacles.Cov neeg soj ntsuam hauv tsev yuav tsum paub lawv tus kheej nrog cov lus qhia tshiab no kom ntseeg tau tias muaj kev sim thiab tshuaj xyuas ntawm GFCIs thiab AFCIs.
Post lub sij hawm: Sep-22-2022