This assembly consists of a 6-inch by 1/4-inch by 18-inch copper ground bus bar mounted on dielectric insulators at both ends. The bar is pre-drilled with 3/8-inch by 16 tapped holes at a typical 2-inch spacing for equipment connections. Structural mounting is provided by Z-shaped brackets with 7/16-inch diameter holes at the ends. Electrical bonding to the building steel and cold water pipe is achieved via typical exothermic cad-weld connections.
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