Hauv cov niaj hnub nyob thiab lub teeb ua lag luam kev tsim kho,Teeb Pom Kev Zooyog cov feem ntau cov kev sib xws thiab cov hluav taws xob tseem ceeb. Xaiv txoj cai hom xaim yog qhov tseem ceeb rau kev ua kom paub meejKev Nyab Xeeb, Ua Haujlwm, thiab Nqi - ua hauj lwm zoo.
Rau Asmeskas thiab Canadian lag luam, Nm {- b hlau(Tsis - nws yog xim hlau sheathed cable, hom b)yog ib qho ntawm cov feem ntau dav siv hluav taws xob cov hluav taws xob rau cov hluav taws xob, hloov pauv, thiab tshwj xeeb tshaj yog cov teeb pom kev zoo. Tab sis ntau tus neeg muas zaub tseem nug:
"Nm {- b hlau siv rau teeb pom kev zoo voj voog?"
Kab lus no muab cov lus teb ntau los ntawm ntau qhov kev xav ntawm - nrog rauCov Qauv Txheej Txheem, Cov Ntawv Thov Siv tswv yim, Qauv Xaiv, thiab Khoom Sib Piv.
Cov ntaub ntawv yooj yim txog nm - b hlau
Ua ntej kev tshuaj xyuas nws siv hauv teeb pom kev zoo, cia tshuaj xyuas cov tseem ceeb ntawm nm - b hlau:
- Zaj piav: Nm {{- b yog qhov tsis - nws yog xim hlau sheathed cable dav. Nws muaj ib lub tsho PVC lub tsho, ntau yam insulated tooj liab tus cwj pwm, thiab ib tug tooj liab hauv av xaim hlau.
- Ntau qhov ntau thiab tsawg: Muaj nyob rau hauv14 AWG - 6 AWG, npog ntau yam kev lag luam hauv tsev neeg thiab lub teeb lag luam hluav taws xob hluav taws xob.
- Kev Ntsuas Hluav Taws Xob: 600V, haum rau feem ntau cov chaw nyob thiab teeb tsa cov teeb lag luam.
- Ib puag ncig kev teeb tsa: Tsim rauCov Ntawv Thov Hauv Tsev Sab Hauv Tsev; Tsis haum rau ntub dej, sab nraum zoov, lossis ncaj qha - Lub ceg faus.
Cov ntau thiab tsawg thiab kev teeb tsa ib puag ncig ntawm nm - b hlau
| Qhov loj me / qauv | Rated tam sim no | Cov Kev Siv Cov Ntawv Siv | Pom zoo ib puag ncig |
|---|---|---|---|
| 14/2 nm - b | 15A | Kev teeb pom kev zoo sab hauv tsev, cov khoom siv hluav taws xob, cov khoom siv me me | Phab ntsa hauv tsev sab hauv tsev, nthab, hauv qab av |
| 12/2 nm - b | 20A | Chav Ua Mov / Chav Noj Chav Teeb Pom Kev Zoo, Cov Khoom Siv, Khoom Siv | Lub tsev sab hauv tsev, muaj peev xwm siab dua |
| 12/3 nm - b | 20A | Peb {{- txoj kev hloov mus, mult -} Circuit Court Teeb pom kev zoo tswj | Phab ntsa sab hauv tsev, cov ceg nruab nrab |
| 10/2 n ~ - b | 30A | Tshuab Ntshawb Cua Txiav, Tso Cua Sov, Hnyav Teeb Fixtures | Lub tsev huv si, siab dua tam sim no |
| 8/2 nm - b | 40A | Dej Tso Dej Sov, Hluav Taws Xob Hluav Taws Xob | Qhuav sab hauv tsev, nplooj siab |
| 6/2 nm - b | 55A | High - Cov khoom siv hluav taws xob siab, me me subpanels | Lub tsev xa ntawv sab hauv tsev loj |
Nm {- b hlau siv rau kev teeb pom kev zoo?
Cov lus teb luv yog:Yog lawm, nm {{- b hlau yog haum rau kev teeb pom kev zoo voj voog.
Raws liNational Electrical Code (NEC)Hauv Tebchaws Meskas,Nm {- b hlauyog tag nrho ua raws cov chaw nyob thiab lub teeb lag luamLub teeb pom kev ncig hluav taws xob.
Cov Kev Siv Raug:
- Thaj teeb pom kev zoo: Cov teeb ci ci, Chandeliers, thiab phab ntsa {{0} mounted fixtures hauv chav pw, chav nyob, thiab chaw noj mov.
- Kev Lag Luam Teeb Pom Kev Zoo: Tshem tawm lub teeb pom kev zoo, chaw ua hauj lwm qab nthab, thiab txoj kev txhim kho txoj hlua.
- Saib Teeb Pom Kev Zoo: Ua si hauv qab daus, nthab, lossis chav cia constures.
Cov laj thawj:
Kev Ntaus Nqi Tam Sim No:
- 14 AWG nm {{- b yog rated rau 15a circuits, feem ntau siv nyob rau hauv cov kev siv teeb pom kev zoo.
- 12 AV {{- b txhawb 20a circuits 20A circuits, haum rau siab-}} Xav saib teeb pom kev zoo.
Rwb Thaiv Tsev & Kub Ua: PVC rwb thaiv tsev rated txog90 degree, Txaus rau lub teeb pom kev ncig ua haujlwm kub.
Yooj yim ntawm kev teeb tsa: Nm {{- b muaj qhov hloov tau thiab yooj yim khiav los ntawm cov phab ntsa, ceilings, thiab pem teb, thiab pem teb.
Cov qauv ua piv txwv ntawm cov ntawv thov siv hluav taws xob
| Daim Ntawv Thov Kev Thov | Pom zoo ua qauv | Txoj Kev Ntsuas Hluav Taws Xob | Sau ntawv |
|---|---|---|---|
| Chav pw / Chav Nyob Qab nthab teeb | 14/2 nm - b | 15A | Cov qauv txheem teeb pom kev zoo; Tus nqi -} Siv tau zoo thiab yooj yim rau nruab. |
| Chav Ua Noj / Dining Teeb Pom Kev Zoo | 12/2 nm - b | 20A | Raws li NEC cov qauv, xyuas kom muaj kev ruaj ntseg npoo rau cov khoom ntim siab dua. |
| Chav ua hauj lwm teeb pom kev zoo (LEDs / Daim teeb Teeb) | 12/3 nm - b | 20A | Txhawb nqa ntau tus keyboards lossis phua fab rau cheeb tsam tswj. |
| Nthab lossis cia teeb pom kev zoo | 14/2 nm - b | 15A | Tsawg - phoo, kev xaiv tswv yim rau kev teeb pom kev zoo. |
| Kev Lag Luam Txoj Kev Teeb Pom Kev Teeb | 12/2 n2 nm - b lossis thhn | 20A | Thihn tau pom zoo yog tias CARTUH yog yuav tsum tau; Nm {- b Yuav siv tau rau qhov chaw ntub dej. |
| Sab Nraum Zoov Vaj / Patio Teeb Pom Kev Zoo | UF - b | 15A–20A | UF {- b yog coj mus yuam kev ceg ntseeg; Nm {- b yuav tsum tsis txhob siv sab nraum zoov. |
Yuav Xaiv Hlau Rau Lub Teeb Pom Kev
Thaum xaiv cov cable raug rau koj qhov project, xav txogLoad, ib puag ncig ib puag ncig, thiab txoj kev hlau:
| Yam tseem ceeb | Lus ntuas |
|---|---|
| Circuit Circuit Coad | 15a → 14 AWG; 20A → 12 AWG; Hnyav - luag teeb pom kev zoo → 10 AWG. |
| Ib puag ncig kev teeb tsa | Qhuav sab hauv → nm - b; Damp / sab nraum zoov → UF - b; Conduit wiring → thhn; Industrial / High - temp → XHHW. |
| Txoj Kev Tswj Xyuas | Ib Circuit Court → / 2 cable; Ntau - Circuit / 3-txoj kev hloov → / 3 cable. |
| Nqi & efficiency | Nm {- b: tus nqi qis tshaj, nruab tau yooj yim; Thhn: hloov tau thiab ntau yam; Uf - b: Ncaj nrees faus; Xhhw: siab -} Ua haujlwm rau kev lag luam siv. |
Nm {- b vs lwm hom hlau
To better understand NM-B, here's a comparison with other UL-approved cables:
| Hlau Hom | Daim ntawv thov | Huab cua | Nta & Qhov Zoo |
|---|---|---|---|
| Nm - b | Sab hauv tsev teeb pom kev zoo, cia li | Qhuav Sab Hauv Tsev | Tus nqi qis, yooj yim rau nruab, nyob ntawm tus qauv. |
| Hwj chim | Kev Lag Luam / Kev Muaj Teeb Pom Kev Zoo Nyob Hauv Conduit | Qhuav los yog damp | Kev hloov pauv siab, kub tiv taus, zoo tagnrho rau kev conduit. |
| UF - b | Sab nraum zoov / Lub Vaj Teeb Pom Kev, Ncaj Ncees | Ntub lossis av | Cov tsho tuab tuab, noo noo tiv thaiv, tsim nyog rau kev siv sab nraum zoov. |
| Xhhw | High - kub lossis ntsuas teeb pom kev zoo | Nyob sab hauv tsev / sab nraum zoov | XLPE rwb thaiv tsev, cov hluav taws xob hluav taws xob zoo, lub neej ntev. |
Xaiv peb {{- cov khoom & kev pabcuam zoo
Thaum koj xaivDongguan Ntau Ntau Hlau & Cable Co., Ltd., koj tau txais kev nkag mus rau aUa tiav cov xov hluav taws xob hluav taws xobKev ntseeg thoob ntiaj teb:
- Khoom Ntau Yam: NM {- b, thhn, UF {{1} - txhua qhov loj tau hloov cable ntau yam.
- Ntawv pov thawj zoo: UL & CUL CERTIFIFIFIFIFIFIFIFIFIFIFIFIFIFIFIES, txhua yam ua raws li peb thiab cov lag luam Canadian.
- Ua kom tiav cov kev pab cuam loj: Cov qauv ntau thiab tsawg los ntawm14 AWG - 6 AWGhauv Tshuag.
- Muaj peev xwm muab tau muaj peev xwm muaj peev xwm: Kev xa khoom ceev, txhawb nqa ob qho tib si kev txiav txim.
- Pab Kev Tshaj Tawm Zoo: Kev txhawb nqa kev tshaj lij, txhim khu kev qha ua ntej - muag thiab tom qab {1 muag cov kev pab cuam.
- Koom Tes Nrog Ntiaj Teb: Xyoo ntawm kev tsim khoom thiab xa tawm, sib koom tes thoob plaws ntiaj teb.
Seb koj ua haujlwm rauKev kho dua me me, ib lub teeb ua lag luam hloov kho, lossis loj - teev khoom npaj ua haujlwm, peb muabhigh - Cov cav zoo thiab kev txhawb nqa tag nrhoTxhawm rau kom muaj kev nyab xeeb thiab txuag teeb pom kev zoo.
Tiv Tauj Peb
Rau cov lus hais lossis kev txhawb nqaNm - b, Thhn, UF {- b, thiab xhhw xov, hu rau peb hnub no:
Dongguan Ntau Ntau Hlau & Cable Co., Ltd.
- Tel / WhatsApp / WeChat:+86 135 1078 4550 / +86 136 6257 9592
- Email:manager01@greaterwire.com
Peb cia siab tias yuav koom tes nrog koj thiab dhau los ua koj txoj kev ntseeg siab rau lub ntiaj teb cable.