Lub teeb pob kws tau dhau los ua neeg nyiam nyob rau xyoo tas los no vim lawv qhov ua tau zoo thiab kav ntev, thiab lawv qhov tsim nyog rau cov chaw lag luam loj. Ib lo lus nug uas nquag nug txog cov teeb no yog seb lawv puas yooj yim rau nruab. Cov lus teb yog yog, pob kws teeb yog cov qhov muag teeb uas yooj yim tshaj plaws rau nruab.
Lub teeb pob kws tuaj nrog hom qauv, xws li E26 lossis E39, uas haum rau hauv lub qhov (socket) uas twb muaj lawm. Qhov no txhais tau hais tias tsis tas yuav muaj kev kho vajtse ntxiv lossis txuas. Cov txheej txheem ntawm kev txhim kho pob kws lub teeb yog yooj yim li tshem tawm lub teeb uas twb muaj lawm los ntawm lub qhov (socket) thiab hloov nws nrog lub teeb tshiab.
Txawm li cas los xij, nws yog ib qho tseem ceeb los xyuas qhov tshwj xeeb ntawm cov pob kws lub teeb ua ntej yuav nws, kom ntseeg tau tias nws tau sib xws nrog cov khoom siv los yog lub qhov (socket) uas twb muaj lawm. Qhov no yog vim cov pob kws teeb tuaj ntau qhov sib txawv, thiab qee qhov yuav tsis haum rau qee qhov chaw, uas tuaj yeem ua rau muaj teeb meem nrog kev teeb tsa.
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Lwm qhov kev xav tseem ceeb thaum txhim kho pob kws teeb yog seb lawv xav tau lub ballast. Qee lub teeb pob kws yog tsim los ua haujlwm nrog lub ballast, thaum lwm tus tsis. Yog tias koj qhov khoom siv uas twb muaj lawm muaj lub ballast, nws yog ib qho tseem ceeb uas yuav tau xaiv lub teeb pob kws uas sib xws nrog ballast, los yog hla lub ballast tag nrho.
Thaum txhim kho pob kws teeb, nws tseem ceeb heev uas yuav tsum nco ntsoov cov wattage pom zoo. Thaum lub teeb pob kws muaj peev xwm ua tau ntau dua wattage dua li cov qij ib txwm siv, ntau tshaj qhov pom zoo wattage tuaj yeem ua rau overheating thiab muaj peev xwm pib hluav taws.
Nyob rau hauv cov ntsiab lus, pob kws teeb yog ib qho yooj yim rau nruab raws li lawv yuav tsum tsis muaj ntxiv thaiv los yog kho vajtse. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum tau xyuas qhov tshwj xeeb ntawm cov pob kws lub teeb ua ntej yuav nws, kom ntseeg tau tias muaj kev sib raug zoo nrog cov khoom siv uas twb muaj lawm, nrog rau qhov xav tau rau lub ballast. Nws tseem yog ib qho tseem ceeb uas yuav tsum ua raws li qhov pom zoo wattage kom tsis txhob muaj kev phom sij.
