What technical requirements laid cable shaft (1) shaft inner wall bracket and fix the cable clamps must be grounded through the upper and lower flat steel, metal brackets embedded iron and ground steel with welded connection. (2) within shaft every 4 ~ 5m have a working platform, up and down ladders, lifting and pulling cable pull ring and other facilities. (3) Cable selection: armored retardant plastic outer sheath or flame retardant cable can also be used bare steel wire armored cable. (4) the shaft preferred XLPE cable. (5) vertical fixed should be fixed once per meter. How to identify the pros and cons of the purchase Wire countries have explicitly in the new residential use copper wire. However, the same copper wire, copper wire is also poor, its copper core selection of recycled copper, contains many impurities XLPE cables, copper wire and some poor quality or even better conductivity wire, it can easily lead to electrical accidents. Wire varieties on the market, specifications, price chaos XLPE cable terminal, consumers choose is very difficult. Price alone commonly used in home decoration 2.5 mm2 and 4 mm2 copper wire of the two, the same size of a plate line, because different manufacturers, the price can vary from 20% to 30%. As for the quality of the merits, whether the target length, the consumer is more difficult to determine. According to industry sources: Cable huge reason why the price difference is due to the raw materials used in the production process caused by different. Production of the main raw material is copper wire, insulation and sheathing materials. Copper raw materials market at around 50,000 yuan per ton, refractory XLPE cables, and the recycling of scrap copper is only 40,000 yuan per ton or so; insulation and sheathing materials of high prices at 8,000 yuan per ton to 10,000 yuan, while Price defective products only 4000 yuan per ton to 5,000 yuan crossing cables, the difference is more disparity. In addition, the length of the shortage, the insulator gel content is not enough, also contributed to an important reason for the price difference. Each plate line length is 100 m superior product, but only about 90 meters defective; insulator gel content superior product accounted for 35% to 40%, while only 15% of defective products. By contrast, consumers can easily see the difference in prices of finished wire sales is tricky due to the presence of the material. Refractory XLPE cables, XLPE cables Panjin, Shenyang Cable Co., Ltd. provided by the Shenyang Shen Yinhuan cable Yinhuan enterprise groups. Shenyang cable Yinhuan Enterprises Holdings Ltd. (slyhjt.com) strong, credible, in Shenyang, Liaoning province power cable industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead sink cable into the brilliant coral and you work for a better future!