Grounding Busbar Material Copper Description/Special Features Busbar Pre-assembled with Brackets and Insulators For Use With Telecom/Data Center Grounding Bar Holes and Size (10) 3/8 in (28) 1/4 in Grounding Bar Length 24 in Grounding Bar Thickness 1/4 in Grounding Bar Width 4 in Ground Wire Included No Includes Panduit GB4B1028TPI-1 Telecom Grounding Busbar Standards BICSI/TIA-607-C cULus