Disclosed is a mixed distribution system of a molded booth duct and an air-insulated booth duct. The mixed distribution system of the molding-type booth duct and the air-insulated booth duct according to the present invention can increase the efficiency and convenience of distribution, and secure the insulation distance between the busbars when connecting the booth duct, thereby lowering the possibility of insulation destruction. , Stable power can be supplied by securing corrosion-resistant and corrosion-resistant performance. In addition, it is possible to secure a reliable waterproof performance by completely protecting the conductor from water or dust, and it can be safely used even in an explosion-proof environment in which a flame and a flammable gas of a flammable substance exist in order to prevent the spread of a flame in case of fire.
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