Qhov faus qhov tob ntawmMV underground kabfeem ntau yog {{0}}.7 meters. Raws li cov qauv thiab cov kev cai, qhov tob ntawm qhov ncaj qha faus ntawm nruab nrab voltage underground cables yuav tsum tsis txhob tsawg tshaj li 0.7 meters, thiab nplua xuab zeb nrog ib tug tuab ntawm tsis tsawg tshaj li 50 millimeters yuav tsum tau muab sib npaug zos rau saum, hauv qab, sab laug, thiab sab xis ntawm lub cable, thiab tom qab ntawd npog nrog ib txheej tiv thaiv tawv xws li cib lossis pob zeb ua pob zeb.
Tsis tas li ntawd, muaj lwm yam kev cai rau kev faus ntawm MV underground cables. Piv txwv li, daim tawv nqaij ntawm MV underground cable yuav tsum tau khaws cia {{0}}.6 meters deb ntawm lub hauv paus ntawm lub hauv av, tab sis qhov tsawg kawg nkaus deb yuav tsum tsis txhob tsawg tshaj li 0. 3 m; Qhov tsawg kawg nkaus qhov kev ncua deb ntawm cov cables thaum lawv horizontally ze rau ib leeg yog 0.1 meters, thiab qhov deb ntawm MV underground cables nyob rau hauv txawv departments yog 0.5 meters; Qhov tsawg kawg nkaus qhov kev ncua deb ntawm cov cables hla ib leeg yog 0.5 meters, uas tuaj yeem raug txo los ntawm 2 hauv qhov xwm txheej tshwj xeeb. Nyob rau hauv qhov chaw tshwj xeeb xws li kev tsav tsheb lossis kev cog qoob loo hauv av, qhov faus qhov tob ntawm MV cov kab hauv av yuav tsum tau ua kom tob tob thiab yuav tsum tsis pub tsawg dua 1.0 meter.
