1. Txhawm rau xaiv ib txoj hauv kev los txuas nrog cov khoom tawg-pov thawj hloov tau yooj yim, Thawj kauj ruam yog txhawm rau txheeb xyuas qhov ntau thiab tsawg ntawm cov xov tooj ntawm ob qhov kawg ntawm lub cable.
2. Thaum txuas, cable yuav tsum tau muab tso rau hauv lub conduit, thiab cov khoom tawg-pov thawj ntawm ob qho kawg yuav tsum tau nruj kom ruaj ntseg kev sib txuas ntawm cable thiab cov khoom siv..
3. Rau kev ruaj ntseg qhov tawg-pov thawj hose, siv cov khoom siv nyob rau ntawm cov khoom tawg-pov thawj hloov tau yooj yim kom nruj rau cov khoom siv. Qhov ntxeev ntawm qhov kawg ntawm lub hose yuav tsum tau muab kev ruaj ntseg los tiv thaiv kev ua haujlwm cuam tshuam vim raug cuam tshuam ntev.
4. Txhawm rau kom ua haujlwm zoo ntawm cov khoom siv, cov neeg ua haujlwm yuav tsum muaj tag nrho cov khoom tsim nyog rau cov kav dej txuas txuas tau npaj los ua kom yooj yim installation thiab tiv thaiv kev ncua vim tsis npaj.