Ntsuam xyuas seb lub bolts ntawm phau ntawv qhia thiab cov ntsiab lus hauv kev tshem tawm hauv av yog xoob los yog xoob.
Cov insulator muaj cov cim xws li flashover, tawg los yog nqaij hlav.
Cov kab clamps muaj hlua los yog hlua khi.
Kuaj xyuas tias qhov sib txuas ntawm kub ntawm cov hlua khi insulator muaj tsis muaj xeb thiab nyob zoo.
Kuaj tus kab nrib pleev rau qhov sib tsoo thiab deformation;
Qhov kev tshuaj xyuas kub muaj tsis muaj xeb, deformation, kub nyhiab, kab nrib pleb, thiab sib koom tes yuav tsum yoog kom yooj yim; seb qhov ntsia thooj yog nruj thiab tsis muaj hau; seb tus nplua tus pin yog rusted, tawg los yog detached.
Kuaj xyuas tias lub nplhaib thiab lub nplhaib sib npaug sib npaug yuav tsum tsis txhob xoob lossis deformed, thiab lub nplhaib sib npaug sib npaug yuav tsum tsis txhob rov qab.
Xyuas cov xov hluav taws xob yuav tsum tsis txhob tshwm sim hauv qhov pom ntawm kev sib thab, tawg, kub nyhiab, ntawv ntiv taw los yog tawg hauv cov kev tawm.