Cov ntsiab lus tseem ceeb rau xaiv lub thawv xa khoom
Ua ntej, muaj ob lub ntsiab ntawm cov thawv faib tawm ntawm lub lag luam, hlau thiab yas, thiab muaj ob hom qauv: zais thiab qhib. Yog li, thaum xaiv cov thawv xa khoom, raws li cov kev xav tau tiag tiag, tsis hais yuav xaiv cov thawv faib twg, cov thawv ntawv yuav tsum tsis muaj qhov sib cuam tshuam, thiab cov qhov rooj ntawm lub thawv faib yuav tsum muaj qhov rai pob tshab rau kev tshuaj xyuas.
Txhawm rau kom muaj kev nyab xeeb ntawm kev siv txhua hnub, lub tsheb npav hlaus hauv cov thawv xa khoom yuav tsum tau teeb tsa nrog kev hloov me me, cov kab hlau xaim hauv av thiab theem kab, uas yuav tsum ua kom ruaj khov thiab muaj qhov ua tau zoo rwb thaiv tsev.
Raws li qhov xwm txheej thiab kev siv ntawm lub nra, nws yog txiav txim siab seb lub thawv faib teeb pom kev zoo los yog lub thawv faib fais fab lossis lub thawv qhov (socket), thiab lwm yam. thiab voltage theem ntawm kev hloov thiab kev tiv thaiv cov cuab yeej siv hauv Circuit Court loj thiab ceg Circuit Court ntawm faib lub thawv yog txiav txim siab.
