Attributes . line lug 50 lbf.in AWG 3...AWG 2 copper or aluminium || line lug 45 lbf.in AWG 6...AWG 4 copper or aluminium || line lug 40 lbf.in AWG 8 copper or aluminium || line lug 35 lbf.in AWG 12...AWG 10 copper or aluminium || line lug 35 lbf.in AWG 14 copper || load lug 7 lbf.in AWG 18...AWG 10 copper . Names