Subpanels are 12 ga steel (subpanels for double bay enclosures 1400 mm tall or taller are 10 ga steel), have flanges on all sides and are painted whiteConductive subpanels are unpainted galvanized steelSubpanels can be mounted at nearly any depth in 25 mm incrementsPanels installed in the rearmost position in joined enclosures provide a continuous mounting surface without requiring joining panelsMounting hardware attaches to the top or to the sides of the frameSlide into the frame on nylon glide blocks, which support the entire weight of the subpanelCan be mounted at nearly any 25 mm D increments