Zingwe za 25KV ndizoyenera kugwiritsidwa ntchito m'malo onyowa ndi owuma, ma ducts, mathire, mathireyi, maliro achindunji akayikidwa ndi kondakitala wapansi pafupi ndi gawo la NEC 311.36 ndi 250.4 (A) (5), komanso komwe kuli magetsi apamwamba kwambiri katundu amafunidwa.Zingwezi zimatha kugwira ntchito mosalekeza pa kutentha kwa kondakitala osapitilira 105 ° C kuti zigwire bwino ntchito, 140 ° C pakudzaza mwadzidzidzi, ndi 250 ° C pakanthawi kochepa.Idayezedwa pa -35 ° C chifukwa chopindika chozizira.ST1 (utsi wochepa) Wovotera kukula kwake 1/0 ndi kukulirapo.Jekete la PVC limapangidwa ndiukadaulo wa SIM ndipo lili ndi coefficient of friction COF ya 0.2.Chingwe chikhoza kuikidwa mu ngalande popanda kugwiritsa ntchito mafuta.Idavoteredwa ndi 1000 lbs./FT kuthamanga kwambiri kwapambali.