Hammond's HJ H Series Hinged Cover Metal Enclosures come environmentally sealed to NEMA Type 3R, 4 (IP66), 12 and 13. Designed for wall or bulkhead mounting, the HJ H Series can house electrical, electronic equipment and instruments as an electrical, hydraulic or pneumatic control housing. It can also be used as an electrical junction box or terminal wiring enclosure. It comes in 27 sizes, ranging from 4.0" x 4.0" x 3.0" (100 x 100 x 75mm) to 16.0" x 14.0" x 10.0" (400 x 350 x 250mm). The body of the unit comes fabricated from 16 or 14-gauge steel.