Busbars are used to consolidate multiple wires or feed multiple circuits. Tin plated copper buses provide maximum conductivity and corrosion resistance. Solid brass busbar carries up to 50A. Product Features:Available in 10 or 20-GangAvailable in raw solid brass or tin-plated solid brass busbar safely carries up to 50A.Two 1/4-20 brass studs with hexnuts.8-32 round head screws for attachment of wires.Two mounting holes accept No. 10 countersink flathead screws.Moisture-resistant molded thermoplastic insulator base.