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.

固定或衔接线槽的螺钉或其他紧固件，紧固后其端部应与线槽内外表润滑相接。钢槽进行转角、分支衔接时应选用弯通、二通、三通、四通等进行变通衔接，钢槽结尾应加装封堵板。线槽的出线口应方位正确、润滑、无毛刺。线槽敷设应平直规整，水平或笔直答应误差为其长度的2百分之，且全长答应误差为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

线槽两头有必要做好跨接地线，并留有弹性余量，地线运用铜织造线；但金属线槽不能作为设备的接地导体线槽有必要单端接地。钢槽孔洞方位处理钢槽在经过墙体或楼板处，不得在墙面或楼板处衔接，也不该将穿过墙面或楼板的钢槽与墙或楼板上的孔洞用水泥摸死。应在穿缆后用防火泥封堵，并刷上与墙面相同色漆。

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.

山东电缆桥架安装-接地桥架安装要求横平竖直，外表平坦，固定牢靠，盖板严实，支架排布合理，规整漂亮，桥架跨接线标准；桥架本体要加防松垫圈与支架牢靠衔接，衔接处刮掉油漆。

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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