Accepts up to 3/4" threaded rod to suspend the cable tray from the ceiling. Material thickness 3/16” (5mm). If electrical isolation is required: - For ½” threaded rod, use 2 x BB981 nylon shoulder washers - For 5/8” threaded rod, use 2 x BB940 nylon flat washers and 1 x BB912 nylon bushing Fasteners sold separately ((BB200) 5/16" spring nut, (BB210) 5/16" bolt, (BB220) 5/16" flat washer). |