Square D PKOGTJ250 Ground Bar Assembly Brand: Square D. Part Number: PKOGTJ250. Square D Ground Bar Assembly, For Use With: HDL, HGL, HJL, HLL, JDL, JGL, JJL and JLL Circuit Breaker, (6) 300 kcmil Cable, 400/600 A, 2-Terminals, Aluminum/Copper, 7 in L x 6.3 in W x 3.9 in H. Additional Description: SQD -PKOGTJ250 J ENCLOSURE EQUIPMENT GROUND ASSEMBLY. Catalog Description: Load center accessory, Homeline, spare parts, groundng kit, 400A to 600A, 2 or 3 pole, set of 2..