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.

电缆桥架应平直,无明显扭曲,支架应焊接牢固,无显著变形,下料误差应在5mm范围内,切口应无卷边毛刺。

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)、防火涂料应选用经鉴定的定型产品。

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

竖井内的配电箱应有出厂合格证、生产许可证、“CCC”认证标志和认证证书复印件及试验记录。

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

电线、电缆及附件应选用符合现行技术标准的产品,并应有出厂合格证、“CCC”认证标志和认证证书复印件。电线、电缆还应有生产许可证。

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.

电气竖井中使用的辅助材料:钻头、电焊条、氧气、乙炔气、调合漆、焊锡、焊剂、橡胶绝缘带、塑料绝缘带、黑胶布等。

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.

金属膨胀螺栓:根据允许拉力和剪力及设备的安装孔径确定。

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

接线端子:根据导线截面及导线根数选用相应规格的接线端子。

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

镀锌材料:钢板、圆钢、扁钢、角钢、螺栓、螺母、螺丝、垫圈、弹簧垫圈等金属材料均应采用镀锌制品。

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