GE Neutral Kit, Series: TNI, For Use With: General and Heavy Duty Disconnect Safety Switch, Specifications: 600 VAC, 400 A, (1) 2 AWG to 600 kcmil or (2) 1/0 AWG to 250 kcmil Aluminum/Copper, Copper, 5-1/2 in L x 6 in W x 4-1/2 in H Dimensions,