Cable sib dhos ua si lub luag haujlwm tseem ceeb hauv kev sib txuas ntau yam khoom siv hluav taws xob thiab lub neej tsim hluav taws xob, nws yog qhov tseem ceeb ntawm kev ua tau zoo thiab ua raws li kev kho kom raug.
Feem ntau hais lus, kev txij nkawm ntawm cov sib dhos kev sib koom ua ke, xws li cov pa hluav taws xob tsis zoo, thiab nws raug pom zoo kom ua qhov kev kuaj hnyav ib zaug a lub hlis .}} Saib xyuas seb puas muaj cov kab sib xyaw ntawm cov cable yog xoob lossis oxidized, thiab lwm yam}
Kev saib xyuas kev sib koom ua ke ntawm cov chaw sib koom ua ke ntawm cov ntsiab lus hauv qab, thiab kev ntsuas hluav taws xob yooj yim xws li ua kom muaj txiaj ntsig ntev dua ntawm cov cable los txiav txim siab seb nws puas muaj qhov txhaum kev puas tsuaj .
Rau cov kev sib koom ua ke cablies siv nyob rau hauv qee cov khoom siv tseem ceeb, koj yuav tsum tau them nyiaj rau cov kev kuaj mob thiab kev ua haujlwm nyob rau hauv ib puag ncig kev ntsuas kom tsis txhob muaj kev puas tsuaj cab overload .
Kev saib xyuas tsis tu ncua tsis yog tsuas yog kuaj thiab daws cov teeb meem nrog cov cuab yeej siv hluav taws xob, kom cov ntaub ntawv tsis sib xws yog ib txwm ua haujlwm tau zoo rau txhua yam System .