IECEx outlet boxes protect conductors in threaded rigid conduit, act as pull and splice boxes, allow change channel direction and provide access to conductors for maintenance and future system changes. C30 and C31 pipe outlet boxes are approved for use in Zone 1, 2, 21 and. TEP Ex is a regional leader in manufacturing of explosion protected (Ex protected) electrical equipment. Through continuous development of new products and markets, modernization of technology and investment in company employees and organization, we continue the tradition of more than 60 years of. ATEX power distribution systems are engineered to deliver safe and uninterrupted power in Zone 1, Zone 2 (gas), and Zone 21 & 22 (dust) areas. At Bushtorm, we offer a wide range of ATEX-certified power distribution systems in Qatar, designed to meet the demands of oil & gas, petrochemical, marine. Crouse-Hinds series C30 and C31 duct outlet boxes are installed in electrical systems in hazardous areas to protect against external explosion in the presence of acetylene, hydrogen and other hazardous gases. These specially designed boxes protect electrical equipment in areas where flammable gases, vapors, or dust may be present. Tailored solutions with push buttons, emergency stop buttons, and control panels, designed for your specific needs in hazardous areas.