The NSI GBA20-10 Aluminum Isolated Ground Bar mounts onto most surfaces using the high-strength glass-filler polyester base, then fits up to 10 copper or aluminum cables in the 2/0 to 14 AWG size range. The high-strength aluminum alloy 6061-T6 body is dual-rated for use with copper and aluminum and forms reliable connections using the simple tightening screw lug design. Stock products you can rely on—stock NSI.