Ikhebula likagesi elinamakhondaktha ethusi, isikrini se-semi conductive conductive, i-XLPE insulation, isikrini se-semi conductive insulation, isikrini sensimbi sethaphu yethusi somongo ngamunye, okokulala kwe-PVC, isikhali sezintambo zensimbi engaphenduki (SWA) kanye nomgodla wangaphandle we-PVC.Kumanethiwekhi wamandla lapho kulindeleke khona izingcindezi zemishini.Ifanele ukufakwa ngaphansi komhlaba noma kumapayipi.