Video: Yuav xav tau xaim loj npaum li cas rau 20 amp Circuit Breaker?
2024 Tus sau: Taylor Roberts | [email protected]. Kawg hloov kho: 2023-12-16 00:29
Txoj cai dav dav ntawm tus ntiv tes xoo (thiab code yam tsawg kawg nkaus) rau tsev nyob kab hluav taws xob hauv Tebchaws Meskas yog siv tsis pub tsawg dua 12 AWG hlau ntawm a 20 A Circuit Court . Kuv yuav ua li cas hlau tandem 120 volt, 2 X 15 amp tso ib tug ncej tus tawg ?
Ua raws li qhov xav tau, koj puas tuaj yeem siv 20 amp breaker nrog 14 gauge hlau?
Yog koj rov txhim kho qhov no ntawm a 20 ampere Circuit, nrog 12 AWG hlau , koj 'yuav tau siv ntsia hlau terminals. NEC 240.4 (D) (3) hais tias 14 AWG yuav tsum tiv thaiv ntawm 15A. Koj ua tau tsis yog siv 14 AWG nyob qhov twg ntawm ib lub voj voog uas muaj 20A tus tawg.
Tsis tas li ntawd, puas tuaj yeem ntsuas 12 txoj hlua hlau tuav 20 amps? 12 - gauge xov yog qhov loj me me tom ntej thiab raug tso cai rau nqa mus txog 20 amps ua . Raws li qhov tshwm sim, cov amp tso kev ntsuam xyuas ntawm Circuit Court breaker muaj cov nram qab no kev sib raug zoo rau cov hlau qhov loj uas tau xaiv. A 20 - amp tso breaker yeej tsis tau tso cai* khiav ib qho Circuit Court uas nws cov xov hlau (txhua qhov chaw ntawm lub voj voog) yog 14- ntsuas.
Qhov tseeb, kuv puas tuaj yeem siv 8 lub xaim hlau ntawm 20 amp Circuit Court?
Koj tau feem ntau haum 10 AWG kab hauv qab ntsia hlau; 8 AWG feem ntau yuav tsis haum. Thaum 12 AWG yog nyob rau 20 amps ua thiab 8 AWG yog rated rau 40 cov amps nyob rau hauv cov xwm txheej ib txwm, a Circuit Court kab nrog 12 AWG can tau poob qis dua 110 volts thaum kawg ntawm ob peb puas ko taw khiav thaum thauj mus rau lub peev xwm.
Koj puas tuaj yeem hloov lub 15 amp breaker nrog 20 amp breaker?
Cov lus teb: Nws ua tau, tab sis tsis pom zoo yam tsis muaj kws kho hluav taws xob ntsuas qhov xwm txheej. Koj yuav tsum tsis txhob cia li hloov kho los ntawm a 15 - amp tawg rau a 20 - amp ib tsuas yog vim qhov tam sim no ib yog tripping. Txwv tsis pub, koj tuaj yeem hlawv koj lub tsev los ntawm hluav taws xob.
Pom zoo:
Kuv xav tau xaim loj npaum li cas rau lub teeb pom kev zoo?
NEC tso cai rau deration lossis xaim ntawm lub teeb. Piv txwv, feem ntau cov teeb pom kev zoo yuav yog 14 awg xaim nrog 15 amp breaker. Tsis muaj qhov taw tes hauv Circuit Court koj tau tso cai siv xaim tsawg dua 14 awg tshwj tsis yog sab hauv lub teeb pom kev qhov tseeb uas koj tau tso cai rau derate nws
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