Tsis yog -conductive: zoo rwb thaiv tsev, muaj peev xwm tiv taus 25kv voltage los xyuas kom meej system kev nyab xeeb; hluav taws tsis kam: tus kheej - tua, tsis muaj combustion; corrosion tsis kam: acid, alkali, ntsev, kom ntseeg tau tias tus nqi tu thiab kev pab lub neej ntev dua; cuam tshuam lub zog: tsis kam Compression, cuam tshuam tsis kam, tsis muaj kab nrib pleb tshwm sim los ntawm screwing hauv; Txaus nyiam tsos: xim xim, zoo nkauj, haum rau sab hauv tsev installation; yooj yim installation: lub teeb yuag, yooj yim rau thauj, kov thiab nruab; zoo breakage kuj: nailed nyob rau hauv hlau grooves yuav tsis tawg.
