Ọgwụgwọ dị n'elu na mkpuchi mkpuchi nke waya ọla kọpa

Iji kwalite arụmọrụ, wires ọla kọpa na-enweta ọgwụgwọ mkpuchi mkpuchi: tin{0}waịị ọla kọpa nwere plasta (nke nwere akwa tin n'elu) na-eme ka ọ dịkwuo mfe ma gbochie oxidation, a na-ejikwa ya na ntụtụ nke ngwa eletrọnịkị. Nickel - waya ọla kọpa e kpuchiri ekpuchi (ya na oyi akwa nickel) na-ejikọta nguzogide corrosion na iyi nguzogide, na-eme ka ọ dabara maka nnukwu okpomọkụ{3}} ma ọ bụ gburugburu ebe na-emebi emebi.
N'ihe gbasara mkpuchi, a na-eji PVC kechie waya ọla kọpa, XLPE (cross{{0}polyethylene jikọrọ ọnụ), rọba ma ọ bụ fluoroplastics, na-eme ka ọ kwekọọ na ọkwa voltaji dị iche iche (site na voltaji dị ala ruo ultra- dị elu) na ọnọdụ gburugburu ebe obibi (site na ụlọ akọrọ ruo n'èzí).