NQ and NF Panelboards are versatile panelboards that feature a wide selection of circuit breakers, accessories, and ready to install kits. NQ and NF Panelboards provide 200% rated neutrals for nonlinear loads. NQ and NF Panelboards are convertible from main lug to main breaker. NQ and NF Panelboards have many different options for your enclosure box. This is an enclosure pull box with 42 spaces. The dimensions for this pull box are 20 x 15 x 5.75 in. NQ and NF Panelboard interiors are field convertible to top or bottom feed. NQ and NF Panelboards are suitable for use as service equipment.