Attributes . (2) 225A Phase Barriers, (2) Feed Thru Barriers, (5) Filler Plate Hardware Kits, (5) MLA1 Filler Plates, (50) Circuit Number Strips (1-48), (50) Circuit Number Strips (43-84), (50) Directory Cards/Rating Books, (9) Bus Stud Nuts, 400/600A Phase Barrier . Names