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How to install the cable tray

  • Categories:Zhongrui News
  • Author:
  • Origin:
  • Time of issue:2019-05-28 14:09
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(Summary description)Cable trays are widely used in electrical cables, and cable trays are mainly installed along the top plate. Install horizontally and vertically along the wall, install along the shaft, and install along the ground. Install along cable trenches and pipe brackets. The support (hanging) used for installation can be finished or homemade. The fixing method of the branch (hanging) frame mainly includes welding on the embedded iron piece, fixing bolts and the like. The general installation is as follows:

How to install the cable tray

(Summary description)Cable trays are widely used in electrical cables, and cable trays are mainly installed along the top plate. Install horizontally and vertically along the wall, install along the shaft, and install along the ground. Install along cable trenches and pipe brackets. The support (hanging) used for installation can be finished or homemade. The fixing method of the branch (hanging) frame mainly includes welding on the embedded iron piece, fixing bolts and the like. The general installation is as follows:

  • Categories:Zhongrui News
  • Author:
  • Origin:
  • Time of issue:2019-05-28 14:09
  • Views:
Information
Cable trays are widely used in electrical cables, and cable trays are mainly installed along the top plate. Install horizontally and vertically along the wall, install along the shaft, and install along the ground. Install along cable trenches and pipe brackets. The support (hanging) used for installation can be finished or homemade. The fixing method of the branch (hanging) frame mainly includes welding on the embedded iron piece, fixing bolts and the like. The general installation is as follows:
 
(1) Metal wire trough wiring is suitable for indoor drying in normal environments and places where it is not susceptible to mechanical damage, but should not be used in places where metal wire troughs are seriously corroded.
 
(2) All phase and neutral lines of the same circuit shall be laid in the same metal trunking. Lines with no anti-interference requirements on the same path can be laid in the same metal trunking. The total cross-section of the wires or cables in the trunking (including the outer sheath) should not exceed 20% of the cross-section in the trunking. The current-carrying conductor should not exceed 30. root. For control, signal or similar lines, the total cut-off of the wire or cable should exceed 50% of the cross-section in the trunk, the lower limit of the number of wires or cables.
 
(3) When the metal trunking is installed vertically or obliquely, measures should be taken to prevent the wires or cables from moving inside the slots.
 
(4) The wiring drawn from the metal trunking may be a metal pipe, a rigid plastic pipe, a semi-rigid plastic pipe, a metal hose or a cable. Wires or cables must not be damaged in the lead-out section.
 
(5) The line should be smooth, without distortion, and the inner wall should be smooth and free of burrs.
 
(6) The metal trunking should be reliably grounded or connected to zero, but should not be used as the grounding conductor of the equipment.

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