Panels for type 3R, 4, 4X, 12 and 13 enclosures steel panels are 12-gauge, finished with white polyester powder paint or a conductive, corrosion-resistant coating. Larger panels have flanges on two or four sides. Some larger steel panels are 10-gauge and include extra holes for panel lifting. Larger panels have flanges on four sides. Aluminium panels are protected on one side with a plastic film. Stainless steel panels are type 316 stainless steel. Panel mounting hardware is furnished with all enclosures which accept these panels.
