PVC kupisa waya, inonziwo kupisa waya, inozivikanwawo sePVC kupisa waya, kushandiswa kwemukati kwenickel-chromium alloy, Constantan alloy, mhangura-nickel alloy semudziyo wekupisa, kushandiswa kwePVC insulation layer, ukobvu yuniti ruvara sarudzo. , muganho wekushisa kwechigadzirwa we105 ° C, kwenguva refu 80 ° C pasi pehupenyu hwesevhisi hunosvika makore 8-12, kusimba kwechigadzirwa uye kuita kwekukotama kwakanakisa, Inogona kutsungirira simba rekudhonza risingasviki 35KG.