Newmar BB-5 Bus Bar [BB-5]BB 5 Bus Bar Ideal as a DC ground tie point or positive bus, this heavy duty, 500 amp rated bus bar assembly features 5 16 in. studs on 1 in. center in 1 4 in. thick copper bar for common connection or distribution of large wire gauges. Features: Accommodate 5 16" ring terminals Insulated base (reinforced nylon resin with a clear protective cover) Specifications: Quantity of 5 16" Studs: 5 Size (inches): 6 1 16 x 1 1 2