Square D™ NQ Merchandised Accessories, NQN2CU, Copper 100% Neutral Kit for NQ panelboard. Product certified with cULus. Systems are single phase and are rated for indoor use or are rain proof. This Homeline load center NEMA 1 indoor combination flush surface cover is for a load center with 30 spaces and 125 A main braker. This white load center cover has a height of 34.98 inches and a width of 15.44 inches.