Dongosolo la magawo atatu omwe amagwiritsidwa ntchito pawaya wamtengo kapena chingwe cha spacer, chopangidwa, choyesedwa ndi cholembedwa molingana ndi ICEA S-121-733, muyezo wa Tree Wire ndi Messenger Supported Spacer Cable.Dongosolo la magawo atatuwa lili ndi chishango cha conductor (wosanjikiza #1), wotsatiridwa ndi chophimba cha 2-wosanjikiza (magawo #2 ndi #3).