PASSIVE UNDERGROUND CONTAINER SYSTEM FOR ELECTRIC EQUIPMENT

摘要

A passive container system for electric equipment comprises: an underground box which is buried underground in the shape of a manhole; a box holder including a horizontal frame coupled to the upper surface of the underground box in a sealed state and an internal vertical frame which is lifted up by being curved from the inner edge of the horizontal frame; a cover to which a waterproof band having a form of covering the entire upper end of the internal vertical frame is attached, and which has coupling elements for coupling the cover to the upper side of the horizontal frame and enabling the upper end of the internal vertical frame to closely contact the waterproof band; and an electric equipment box which is located in a sealed inner space of the underground box formed by allowing the upper end of the internal vertical frame to come in close contact with the waterproof band by an operation of a user.