Busbar heat shrink chubing amapangidwa ndi polyolefin. Zinthu zosinthika zimapangitsa kukhala kosavuta kuti wogwiritsa ntchito azitha kukonza mabasi opindika. Zinthu zachilengedwe zochezeka za polyolefin zimatha kupereka chitetezo chodalirika chotchinjiriza kuchokera ku 10kV mpaka 35 kV, kupewa kuthekera kwa ma flashovers ndi kukhudzana mwangozi. Kugwiritsiridwa ntchito kwake kuphimba mabasi a mabasi kumatha kuchepetsa kapangidwe ka malo a switchgear ndikuchepetsa mtengo.