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

電氣豎井內所用的電纜橋架規(guī)格型號要符合設計要求。采用鍍鋅制品、鍍鋅鋼板的厚度在橋架寬度小于400mm時，厚度不小于15mm；在400~800mm之間時，厚度不小于2mm；大于800mm時，厚度不小于2.5mm。

The specification and model of cable tray used in the electrical shaft shall meet the design requirements. The thickness of galvanized products and galvanized steel plates shall not be less than 15mm 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.

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.

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 include 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。

The metal expansion bolt shall be 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(guī)格的接線端子。

The wiring terminal shall be selected according to the wire section and the number of wires, and the wiring terminal of corresponding specification shall be used.

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, and the support shall be welded firmly without significant deformation; The blanking error shall be within 5mm, and the notch shall be free of curling burr.

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、電纜橋架還應有生產許可證，符合電纜橋架的規(guī)格選擇。

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. Wire and cable tray shall also have production license, which shall meet the specification selection of cable tray.

電纜橋架鍍鋅材料: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 of cable tray: steel plate, round steel, flat steel, angle steel, bolt, nut, screw, washer, spring washer and other metal materials shall be galvanized products.