SEPCO 147S, 2", Zinc Plated Steel, 1-Hole, EMT Conduit Strap, 1 pc. SEPCO 21BI4L, 3/4", 14 to 4 AWG, Insulated Grounding Bushing, 1 pc. SEPCO 22BI4L, 1", 14 to 4 AWG, Grounding Bushing, 1 pc. We have new products in manufacturer boxes, as well as loose and shelf-worn quality products to save you even more money.