Polaris GBC2-20 Copper Isolated Ground Bar, 2-14 Awg Wire Range, 20 Circuit
https://nsiindustries.com/product/copper-isolated-ground-bar-cu-2-14-awg-range-20-circuits/
Polaris grounding and bonding products provide flexible solutions for a wide range of grounding and bonding applications in the field. Use copper ground bars to mount and ground multiple copper cables.