1. Cov qauv pom zoo, cov xaim yuav tsum muaj cov ntawv pov thawj, cov chaw tsim khoom, cov kab hluav taws xob, thiab lwm yam, thiab cov xaim hauv av yuav tsum muaj cov xim daj-ntsuab insulating txheej.
2. Mechanical zog
3. Rwb thaiv tsev ntawm sheath (feem ntau ntau dua 100MΩ) thiab compressive zog (ntau tshaj 500V thiab tsawg dua 1500V)
4. Hlau tsis kam (txheej hlau txoj kab uas hla, conductivity, ntev tsis ntau tshaj ib tug tej yam kuj)
5. Nyob rau hauv qhov kub thiab txias ntawm 140 degrees, cov hlau yuav tsum tsis txhob tawg nyob rau hauv qhov kub thiab txias -30 degrees.