Eaton EZ Model 42-Pole indoor panelboard box in light gray color, has steel construction and galvanized finish for longer endurance. It measures 20-Inch x 5-3/4-Inch x 60-Inch. NEMA 1 rated panelboard is right flange mountable. It is suitable for use with all type 1 PRL1A, PRL2A and PRL3A panels.