1. Kev ntsuas hluav taws xob Voltage: Cov Khoom Siv Ntsuas yuav tsum sib phim tus ntsuas hluav taws xob ntawm lub cable uas yuav tsum tau kuaj. Yog hais tias cov khoom siv ntsuas tsis ua kom phim qhov kev ntsuas hluav taws xob voltage, nws yuav ua rau muaj kev phom sij thiab kim.
2. Cov zaus ntau: Ntau zaus ntau yog yog qhov kev txiav txim tseem ceeb. Cov zaus ntau zaus yuav tsum tau hloov kho kom phim rau cov cable specifications. Cov lus tsis zoo yuav ua rau nyeem tsis raug, ua rau kev puas tsuaj rau kev phom sij thiab kev nyab xeeb.
3. Tawm Zog: Cov zis hluav taws xob yog ib qho tseem ceeb los xav txog, raws li nws txiav txim siab cov khoom siv ntsuas tuaj yeem xa mus rau cable. Lub zog ntau cov khoom kuaj cov khoom siv, qhov kev ua tau zoo dua nws yuav txheeb xyuas kev ua txhaum thiab tsis xws luag hauv cable.
4. Cov yam ntxwv kev nyab xeeb: cov kev nyab xeeb ntawm cov khoom siv ntsuas kuj tseem ceeb rau kev txiav txim siab. Nws yuav tsum muaj cov kev ntsuas tam sim no, kev tiv thaiv tam sim no, thiab GROUNDING los xyuas kom meej tias nws muaj kev nyeem meej thiab muaj kev nyab xeeb.
5. Yooj yim ntawm kev siv: tus neeg siv-tus neeg siv cov khoom siv ntsuas uas yooj yim siv yuav tau txais txiaj ntsig ntau dua thiab ua tau zoo. Nws tseem yuav muaj txiaj ntsig yog tias cov khoom siv tau muaj cov neeg siv phau ntawv lossis qhia video los pab nrog cov txheej txheem teeb tsa.
6. Nqe: Nqe yuav tsum yog qhov tseem ceeb thaum yuav cov khoom xeem. Txawm li cas los xij, nws yuav tsum tsis txhob yog qhov kev txiav txim siab, raws li qhov pheej yig dua yuav tsis tsim nyog txhua yam tsim nyog, ua rau muaj kev nyab xeeb rau kev nyab xeeb.
