The specification and model of the cable tray used in the electrical shaft shall meet the design requirements, and galvanized products shall be used. The thickness of galvanized steel plate shall not be less than 1.5mm when the bridge width is less than 400mm; When it is between 400 ~ 800mm, the thickness shall not be less than 2mm; When it is greater than 800mm, the thickness shall not be less than 2.5mm.

電纜橋架應平直,無明顯扭曲,支架應焊接牢固,無顯著變形,下料誤差應在5mm范圍內,切口應無卷邊毛刺。

The cable tray shall be straight without obvious distortion, the support shall be welded firmly without significant deformation, the blanking error shall be within 5mm, and the notch shall be free of crimping burr.

防火堵料(防火枕)、防火涂料應選用經鑒定的定型產品。

Fireproof plugging material (fireproof pillow) and fireproof coating shall be finalized products identified by the state.

豎井內的配電箱應有出廠合格證、生產許可證、“CCC”認證標志和認證證書復印件及試驗記錄。

The distribution box in the shaft shall be provided with factory certificate, production license, "CCC" certification mark, copies of certification certificate and test records.

電線、電纜及附件應選用符合現行技術標準的產品,并應有出廠合格證、“CCC”認證標志和認證證書復印件。電線、電纜還應有生產許可證。

Wires, cables and accessories shall be products conforming to the current national technical standards, and shall be provided with factory certificate, "CCC" certification mark and copies of certification certificate. Wires and cables shall also have production licenses.

電氣豎井中使用的輔助材料:鉆頭、電焊條、氧氣、乙炔氣、調合漆、焊錫、焊劑、橡膠絕緣帶、塑料絕緣帶、黑膠布等。

Auxiliary materials used in the electrical shaft: drill bit, welding electrode, oxygen, acetylene gas, blending paint, solder, flux, rubber insulating tape, plastic insulating tape, black tape, etc.

金屬膨脹螺栓:根據允許拉力和剪力及設備的安裝孔徑確定。

Metal expansion bolt: determined according to the allowable tension and shear force and the installation hole diameter of the equipment.

接線端子:根據導線截面及導線根數選用相應規格的接線端子。

Wiring terminal: the wiring terminal of corresponding specification shall be selected according to the cross section and number of wires.

鍍鋅材料:鋼板、圓鋼、扁鋼、角鋼、螺栓、螺母、螺絲、墊圈、彈簧墊圈等金屬材料均應采用鍍鋅制品。

Galvanized materials: steel plate, round steel, flat steel, angle steel, bolt, nut, screw, washer, spring washer and other metal materials shall be galvanized products.