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Control cable installation wiring matters needing attention

Information Source:Henan Huadong Cable Co., Ltd Release date:2014-03-31

Control cable installation wiring matters needing attention:

1 under the eaves. Cable only when not exposed to direct sunlight or ultra high temperature, standard LAN cable can be applied, recommend the use of pipeline. Ultraviolet (UV) light environment -- don't no UV protection cable used in sun within.

2 walls. Avoid direct sunlight walls and man-made damage. The heat - cable in the metal pipe or line groove of the temperature is very high, many polymeric materials will reduce the service life in this temperature.

3 pipe (plastic or metal). As in the pipe, pay attention to heat damage and metal pipe plastic pipe. Mechanical damage repair (repair costs) - cable is very expensive, need at least two terminating at each discontinuity.

4 Application of suspended / overhead cable. The cable sag and stress. Intend to adopt what kind of binding? The cable is directly illuminated by the sun.

5 directly in the underground cable trench laying, the environment is the control of the minimum range. Cable trench installation must be periodically dry or moist degree examination. The ground -- if shield control cable to ground, it must comply with the relevant standards.

6 The underground pipeline. In order to facilitate future upgrades, cable replacement and surface pressure and the surrounding environment isolation, auxiliary pipeline isolation, auxiliary pipeline is a better method. But don't expect to pipeline will always keep dry, it will impact on the cable type selection. Water will increase the capacitance of the cable in the LAN twisted pair cable water, thus the impedance decreased and caused the near end crosstalk problem.

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