TFFN hlau, luv luv rau Thermoplastic Flexible Fixture Nylon-coated hlau, yog ib hom hluav taws xob thaiv feem ntau siv hauv ntau daim ntawv thov vim nws qhov yooj yim, ua haujlwm ntev, thiab siv tau zoo. Nws yog tsim los ntawm tus neeg xyuas pib tooj liab, ib txheej thermoplastic PVC rwb thaiv tsev, thiab lub tsho nylon. Cov khoom sib sau ua ke muab cov xaim nws cov khoom tshwj xeeb, suav nrog kev tiv thaiv tshav kub, noo noo, thiab puas.
Yam ntxwv ntawmTFFNHlau
TFFN hlau muaj ntau yam nta uas ua rau nws nrov hauv thaj chaw, chaw lag luam, thiab chaw lag luam:
Thaum tshav kub kub Resistance:TFFN hlau tuaj yeem tiv taus qhov kub txog li 90 degree hauv qhov chaw qhuav. Qhov ntsuas kub siab no ua rau nws tsim nyog siv rau hauv cov khoom siv thiab cov khoom siv.
Moisture Resistance:Ua tsaug rau nws cov nylon txheej, TFFN hlau tiv thaiv cov dej noo, tso cai rau nws ua haujlwm zoo hauv cov dej ntub dej.
Flexibility:Nws txoj kev siv nyias nyias, ua rau nws yooj yim rau kev tswj hwm thiab nruab, txawm tias nyob hauv qhov chaw nruj.
Hluav taws xob conductivity:Tus neeg xyuas pib tooj liab muab cov khoom siv hluav taws xob zoo heev, kom ntseeg tau tias muaj zog xa mus.
Common Applications ntawmTFFNHlau
Fixture Wiring:TFFN hlau feem ntau yog siv rau kev teeb tsa lub teeb vim nws qhov yooj yim thiab ua haujlwm kub.
Conduit Installation:Nws yog tsim rau siv nyob rau hauv conduits qhov twg nws cov rwb thaiv tsev thiab txheej tiv thaiv nws los ntawm lwm yam.
Cov Khoom Siv Hluav Taws Xob:Cov hlau yog nquag ua haujlwm hauv cov khoom siv uas xav tau kev sib txuas hloov tau yooj yim thiab tiv taus cua sov thiab ya raws.
Tswj Circuits:TFFN hlau kuj tseem siv nyob rau hauv cov hluav taws xob tswj hluav taws xob qis vim nws qhov kev ua tau zoo thiab kev ua haujlwm tau zoo.
Ua tauTFFNHlau Yuav faus ncaj qha?
Thaum TFFN hlau muaj ntau yam zoo, nws tsis yog tsim los rau faus ncaj qha. Qhov no yog vim hais tias cov hlau rwb thaiv tsev thermoplastic thiab nylon txheej, txawm hais tias ruaj, tsis raug ntsuas rau lub sijhawm ntev ntawm cov av thiab noo noo. Daim ntawv thov kev faus ncaj qha nthuav tawm cov xov hlau rau ib puag ncig hnyav, xws li hloov pauv cov dej noo, siab los ntawm cov av compaction, thiab muaj peev xwm tiv taus cov tshuaj corrosive, uas TFFN hlau tsis tau tsim los tiv thaiv.
Vim li cas TFFN Hlau tsis haum rau kev faus ncaj qha
Tsis muaj UV thiab av Resistance:TFFN hlau rwb thaiv tsev thiab nylon txheej tsis yog tsim los tiv thaiv cov teebmeem ntev ntawm UV hluav taws xob lossis cov khoom corrosive pom hauv av.
Durability Kev txhawj xeeb:Cov rwb thaiv tsev nyias nyias thiab txheej txheej tuaj yeem degrade thaum raug kev puas tsuaj rau lub cev, tshuaj lom neeg, lossis hloov pauv cov dej noo hauv av.
Kev Ua Raws Cai:Cov lej hluav taws xob xws li National Electrical Code (NEC) hauv Teb Chaws Asmeskas qhia tias TFFN hlau tsis haum rau kev faus ncaj qha tshwj tsis yog muab tso rau hauv cov kav dej tiv thaiv.
Lwm txoj kev daws teeb meem rau Underground Wiring
Rau cov ntawv thov xav tau faus thaiv, xav txog cov kev xaiv hauv qab no:
UF-B Hlau (Underground Feeder Cable):
Tsim los rau faus ncaj qha yam tsis muaj kev tiv thaiv ntxiv.
Los nrog cov rwb thaiv tsev tawv kom tiv taus ya raws thiab lub cev puas tsuaj.
Feem ntau siv rau sab nraum zoov teeb pom kev zoo, lub tshuab sprinkler, thiab lub zog sab nraum zoov.
THWN lossis THWN-2 Hlau:
Cov xov hlau no raug ntsuas rau qhov chaw ntub dej thiab feem ntau siv rau hauv cov kav dej rau hauv av.
Thermoplastic rwb thaiv tsev thiab dej-resistant zog ua rau lawv zoo tagnrho rau tej daim ntaub ntawv.
Conduit nrog TFFN Hlau:
TFFN hlau tuaj yeem siv hauv av yog tias nws tau nruab rau hauv cov kav dej xws li PVC lossis hlau txuas.
Lub conduit muab qhov tsim nyog tiv thaiv av, noo noo, thiab kev puas tsuaj rau lub cev.
Kev txhim khoTFFNHlau Underground nrog Conduit
Yog tias koj npaj yuav siv TFFN xaim hauv av, ua raws li cov lus qhia no kom muaj kev nyab xeeb thiab ua raws:
Xaiv Txoj Cai Txoj Cai:
Siv PVC lossis hlau conduit ntsuas rau kev siv hauv av.
Xyuas kom lub conduit yog watertight kom tsis txhob ya raws infiltration.
Kev xav tob:
Ua raws li cov lej hluav taws xob hauv zos rau qhov xav tau faus qhov tob ntawm cov kav dej. Feem ntau, cov kav dej yuav tsum tau muab faus tsawg kawg yog 18-24 nti tob.
Kev sib txuas kom raug:
Siv cov fittings watertight kaw lub conduit thiab tiv thaiv dej nkag.
Xyuas kom meej tias txhua qhov splices lossis kev sib txuas tau ua nyob rau hauv lub thawv tsis muaj huab cua.
Kev Tshawb Fawb thiab Kev Xeem:
Ua ntej faus lub conduit, tshuaj xyuas lub installation kom ua raws li cov cai hluav taws xob.
Kuaj cov xaim rau kev txuas ntxiv thiab kev tiv thaiv kev tiv thaiv kom ntseeg tau tias muaj kev nyab xeeb.
Qhov zoo ntawm Kev Siv Conduit nrogTFFNHlau
Txhim khu kev tiv thaiv:Cov kav dej thaiv cov hlau los ntawm cov av, noo noo, thiab muaj peev xwm ua rau lub cev puas tsuaj.
Ntev:Kev txhim kho kom zoo hauv cov kav dej tuaj yeem txuas ntxiv lub neej ntawm TFFN hlau hauv cov ntawv thov hauv av.
Kev Ua Raws Cai:Txhim kho TFFN hlau nyob rau hauv ib tug conduit kom ua raws li cov cai hluav taws xob kev nyab xeeb.
Kev txiav txim siab
Ua raws li cov cai hluav taws xob hauv zos yog qhov tseem ceeb thaum txhim kho txhua hom kev thaiv. NEC qhia txog cov kev cai rau kev siv TFFN hlau, suav nrog nws cov kev teeb tsa hauv cov kav dej rau cov ntawv thov hauv av. Ua ntej pib ib txoj haujlwm xaim, sab laj nrog koj lub tsev lis dej num hauv zos thiab tau txais daim ntawv tso cai tsim nyog.
Cov ntsiab lus tseem ceeb
TFFN hlau tsis haum rau faus ncaj qha vim nws tsis muaj kev tiv thaiv rau cov av thiab noo noo.
Nws tuaj yeem siv rau hauv av yog tias tau teeb tsa hauv cov kav dej tiv thaiv.
Lwm txoj hauv kev zoo li UF-B xaim lossis THWN hlau yog qhov zoo dua rau kev faus ncaj qha.
Nco ntsoov sab laj cov lej hluav taws xob thiab ua raws li cov kev coj ua zoo tshaj plaws los xyuas kom muaj kev nyab xeeb thiab ua raws li kev teeb tsa.