Thaum nws los txog rau kev kho hauv tsev thiab kev coj ua lag luam rau cov hlau txoj cai yog qhov tseem ceeb los ua kom muaj kev nyab xeeb thiab ntev} lub sij hawm kev ntseeg tau.Nm {- b hlauPuas yog ib qho ntawm feem ntau hom kev hlau hauv North America, dav siv nyob rau hauv cov chaw nyob thiab lub teeb lag luam kev lag luam hluav taws xob tshuab hluav taws xob.
Tab sis ntau tus neeg muas zaub feem ntau nug:Dab tsi yog "b" hauv nm - b yeej sawv ntsug?Nws txawv li cas ntawm tus qauv NM cable?
Hauv tsab xov xwm no, peb yuav piav lub ntsiab lus qab "B," dhia dej rau hauv cov qauv, thiab xaiv ntawm cov ntawv thov koj xaiv cov khoom xa tuaj ua rau txhua qhov sib txawv.
Dab tsi yogNm {- b hlau?
Nm {- b sawvTsis - nws yog xim hlau sheathed cable - tsevCov. Nws yog hom tsis - nws yog xim hlau hluav taws xob cable uas muaj:
- Tooj liab tus neeg xyuas khoomRau kev txhim khu kev qha ua tau zoo;
- Thermoplastic rwb thaiv tsevTxhawm rau tiv thaiv cov kab luv luv thiab qhib cov cua sov siab dua;
- Cvc sab nraudRau cov kev tiv thaiv txhua yam thiab kev ua tiav.
Ua tsaug rau nws lub teeb yuag, tus nqi- b hlau tau dhau los ua cov tsev xa khoom sab hauv thiab cov tsev lag luam.
Dab tsi yog "B" txhais tau tias nyob rau hauv nm - b?
Tsab ntawv"B"Hauv nm {- b muaj ob lub ntsiab tseem ceeb:
1.Tiabperature Kev Ntsuas- nm {{- b hlau yog ntsuas rau li90℃(194 Qib F), ua kom muaj kev nyab xeeb dua thiab muaj cua sov ntxiv - Tsis tshua muaj dua li cov neeg "B."
2.Txawm kev siv- tus "B" tseem qhia nws yog tsim tshwj xeeb rauCov Tsev Hluav Taws Xob Hluav Taws XobThiab tsis haum rau kev faus faus lossis sab nraum zoov.
Nyob rau hauv luv luv, nm {- b yog muaj kev nyab xeeb, muaj txiaj ntsig zoo, thiab ua raws siab nrog cov codes lub tsev tshiab.
Cov Nta Tseem Ceeb NtawmNm {- b hlau
- Ul & cul ntawv pov thawjrau kev ntseeg kev nyab xeeb;
- Kev tiv thaiv kub- Rated 90℃(194℃f);
- Lub teeb pwm thiab hloov tau, Ua kev teeb tsa ceev thiab yooj yim dua;
- Nqi -}}}}- Tus nqi zoo rau cov chaw nyob thiab cov xaim lag luam;
- Ntau yam ntawm qhov ntau thiab tsawg, los ntawm 14 AWG mus rau 10 AWG thiab dhau ntawd, kom haum rau cov hluav taws xob sib txawv.
Cov Kev Siv Cov Lus Siv Ntawm NM - b hlau
Nm {- b Khwv yog qhov mus -}} los xaiv rau sab hauv tsev. Cov ntawv thov raug muaj xws li:
- Teeb Pom Kev ZooHauv chav pw, chav nyob, thiab kev hauv tsev;
- Qhov hluav taws xob xaim hluav taws xobHauv chav ua noj, chav dej, thiab garages;
- Khoom Siv Hauv Tsevxws li cov tub yees, tshuab ntxhua khaub ncaws, microwavaves, thiab cua txias;
- Lub Teeb Ua Lag Luam Cov Tshuab, suav nrog chaw ua haujlwm tawm thiab teeb pom kev zoo.
⚠️ Tsab ntawv: Nm - b hlautsis tuaj yeem siv sab nraum zoov lossis hauv avCov. Rau ntub dej lossis faus kev teeb tsa,Uf - b cableyuav tsum tau.
Yuav ua li cas xaiv cov nm - b hlau
Thaum xaiv NM {{- b hlau, nws yog qhov tseem ceeb kom phim qhov tseebAmpacity (Rating Tam Sim No)rau koj daim ntawv thov. Nov yog qee cov qauv tshwm sim:
14/2 nm - b→ 15 Amps → Firet Teeb pom kev zoo, cov receptacles me me;
12/2 nm - b→ 20 amps → chav ua noj chav ua noj, chav da dej;
10/2 n ~ - b30 amps → cua txias, tshuab ziab khaub ncaws;
8/3 nm - b→ 40 Amps → cov qhov cub hluav taws xob, dej sov.
Xaiv cov xaim hluav taws xob zoo tsis yog tsuas yog ua kom muaj kev nyab xeeb tab sis kuj yuav pab zam kom tsis txhob muaj kev phom sij dhau thiab phom sij.
Nm - b v vs Lwm hom hlau
Nws yooj yim rau kev tsis meej pem nm - b nrog lwm cov cable. Ntawm no yog qhov sib piv sai:
| Feature / Cable Hom | Nm {- b hlau | UF - b hlau | Thaub Hlau |
|---|---|---|---|
| Daim Ntawv Thov Tseem Ceeb | Nyob Sab Hauv Tsev Thaj Chaw & Lub Teeb Hluav Taws Xob Kev Lag Luam | Sab nraum zoov thiab av hauv av | Conduit Institations (sab hauv tsev / Sab Nraum Zoov) |
| Shary / Lub tsho | Tsis - nws yog xim hlau npog sab nraud | Khoom, noo noo - ionistant tsho | Tsis muaj tag nrho sheath (cov neeg saib xyuas nkaus xwb) |
| Ya raws tsis kam | Tsis tsim nyog rau cov chaw ntub dej | ✅ Tsim rau ntub thiab av siv | Siv tau rau hauv thaj chaw ntub dej / qhuav nrog conduit |
| Txoj kev teeb tsa | Tuaj yeem khiav sab hauv phab ntsa, ceilings, plag tsev | Tuaj yeem faus ncaj qha rau hauv av | Yuav tsum tau nruab rau hauv conduit |
| Qhov Ntsuas Kub | 90℃(194 Qib F) | 90℃(194 Qib F) | 90℃(194 Qib F) |
| Yooj yooj | Yooj yim rau nruab, lub teeb yuag | Tsis tshua yoog raws li cov rwb thaiv tsev tuab. | Yooj yim heev thaum rub los ntawm conduit |
| Raug Siv Siv | Lub teeb pom kev zoo, cov hluav taws xob, khoom siv | Sab nraum zoov Teeb Pom Kev Zoo, Cov Khoom Noj Hauv | Kev Lag Luam Kev Lag Luam Hauv Conduit, Kev Pabcuam Nkag |
Xaiv peb - Dongguan ntau hlau & Cable Co., Ltd.
Raws li ib tug ntseeg tau cable cov neeg xa khoom nrog xyoo ntawm kev kawm export, peb muab:
- UL & CUL cov khoom muaj ntawv pov thawj, ua raws li North American tus qauv;
- Kev Txhawb Nqa Kev Txhawb, pab koj xaiv txoj cai cable rau koj cov kev xav tau;
- Ua ntej ua ntej {{0} kev muag khoom thiab tom qab {{1} kev lag luam muag khoomTxog kev txhawj xeeb - Kev koom tes dawb;
- Kev Sib Tw Lag Luam Wholesale, Txuag koj cov nqi rau cov phiaj xwm loj.
Tiv tauj peb rau hnub no
Nrhiav siab - zooNm {- b hlauNrog UL / CUL daim ntawv pov thawj? Peb muabKev them nyiaj yug kws tshaj lij, tus nqi sib tw, thiab kev xa khoom kom ntseeg taukom tau raws li koj cov kev xav tau.
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