Shandong cable bridge manufacturer should connect the installed trunking without interruption, and the fixed points of each section of trunking should not be less than two. There should be fixed points at corners, branches and ends, and they should be fixed close to the wall. The straight section of the steel groove shall be connected with a connecting plate, which shall be threaded out from the inside to the outside with a semicircular head screw, and fixed with a flat pad and a spring pad nut. The gap at the joint shall be tight and level. Finally, remove the sundries in the steel groove and cover the cover plate. The cover shall be complete, flat and free from warping.

固定或銜接線槽的螺釘或其他緊固件，緊固后其端部應與線槽內外表潤滑相接。鋼槽進行轉角、分支銜接時應選用彎通、二通、三通、四通等進行變通銜接，鋼槽結尾應加裝封堵板。線槽的出線口應方位正確、潤滑、無毛刺。線槽敷設應平直規整，水平或筆直答應誤差為其長度的2百分之，且全長答應誤差為20mm.

The end of the screw or other fastener used to fix or connect the trunking shall be connected with the inner and outer surface of the trunking after fastening. Bend, two-way, three-way and four-way should be used for flexible connection when connecting the corner and branch of the steel groove, and a plugging plate should be installed at the end of the steel groove. The outlet of trunking shall be in correct position, lubricated and free of burr. The laying of trunking shall be straight and regular, the allowable error of horizontal or straight is 2% of its length, and the allowable error of full length is 20 mm
     

線槽兩頭有必要做好跨接地線，并留有彈性余量，地線運用銅織造線；但金屬線槽不能作為設備的接地導體線槽有必要單端接地。鋼槽孔洞方位處理鋼槽在經過墻體或樓板處，不得在墻面或樓板處銜接，也不該將穿過墻面或樓板的鋼槽與墻或樓板上的孔洞用水泥摸死。應在穿纜后用防火泥封堵，并刷上與墻面相同色漆。

It is necessary to make the jumper ground wire at both ends of the trunking, and reserve the elastic allowance. The ground wire is made of copper woven wire; However, the metal trunking can not be used as the grounding conductor of the equipment, and it is necessary for the trunking to be grounded at one end. Orientation treatment of steel groove holes: when the steel groove passes through the wall or floor, it is not allowed to connect the wall or floor, and it is not allowed to touch the steel groove passing through the wall or floor with the holes on the wall or floor with cement. The cable shall be sealed with fire-proof mud and painted with the same color as the wall.

山東電纜橋架安裝-接地橋架安裝要求橫平豎直，外表平坦，固定牢靠，蓋板嚴實，支架排布合理，規整漂亮，橋架跨接線標準；橋架本體要加防松墊圈與支架牢靠銜接，銜接處刮掉油漆。

Shandong cable tray installation - Grounding tray installation requires horizontal and vertical, flat appearance, firm fixation, tight cover plate, reasonable support arrangement, neat and beautiful, and Bridge jumper standard; The bridge body shall be connected firmly with the support with anti loose washer, and the paint shall be scraped off at the connection.

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