Video: Cl2 cl3 hais lus xov tooj yog dab tsi?
2024 Tus sau: Taylor Roberts | [email protected]. Kawg hloov kho: 2023-12-16 00:29
Hauv lus Askiv yooj yim uas txhais tau tias CL2 thiab CL3 yog hom kev siv ntau lub hom phiaj xaim siv rau yam xws li kev ruaj ntseg tshuab, hais lus xaim , intercom systems, tus kws saib xyuas neeg mob khawm, thiab ntau dua. Qhov sib txawv ntawm ob yog qhov ntawd CL2 yog ntsuas rau txog 150 volts thaum CL3 yog ntsuas rau txog 300 volts.
Dhau li ntawd, qhov txawv ntawm cl2 thiab cl3 hais lus hlau yog dab tsi?
Thaum CL2 thiab CL3 yuav tsum dhau qhov kev xeem tib yam rau ntawv pov thawj, thawj qhov sib txawv ntawm ob kab no yog hauv qhov siab tshaj plaws tuav lub zog. CL2 cable yuav tsum lees txais qhov siab tshaj ntawm 150 volts, thaum CL3 ua haujlwm siab txog 300 volts.
Ib tug kuj nug, puas yog hais lus hlau xav tau cl2? Yog koj yuav khiav hais lus xaim hauv koj phab ntsa lossis qab nthab, koj yuav xav tau UL-ntsuas hais lus xaim daim ntawv lo CL2 lub CL3. Yog koj xav rau nruab koj sab nraum zoov hais lus xaim underground, koj yuav xav tau xaim ntsuas rau faus ncaj qha.
Tom qab ntawd, ib tus tseem tuaj yeem nug, yog cl2 lossis cl3 zoo dua?
Qhov sib txawv ntawm lawv tsuas yog CL3 hais lus xov hlau tuaj yeem nqa 300 volts, piv rau 150 volts ntawm CL2 hais lus xov hlau Ua qhov no hauv siab thaum xaiv koj tus hais lus sab hauv/sab nraum zoov. Koj tsis xav kom lub suab nrov ntawm tus hais lus muaj zog dua li CL2 / CL3 tus hais lus xaim lossis lwm yam nws yuav tshuab tawm.
Dab tsi yog cl2 ntsuas tus hais lus xaim?
CL2 : Qhov no yog ib kab tsho tiv thaiv hluav taws kev ntaus nqi tau hais tseg hauv Tshooj 725 ntawm Txoj Cai Hluav Taws Xob Hauv Tebchaws. Nws sawv rau "Chav Kawm 2 Kev Tswj Chaw Taws Teeb, Kev Tshaj Tawm, thiab Kev Siv Hluav Taws Xob Txwv" kab , uas qhia tias cov kab tsim nyog rau kev teeb tsa hauv phab ntsa thiab siv rau qee yam kev siv hluav taws xob qis.
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