How to choose the right cable tray

Now because of the increasing number of cable bridge product models, many people are not clear how to choose. It is understood that the use of different environment, the need to choose the bridge specifications and models are different, which also involves the selection of cable bridge. Let’s look at how to choose the right cable tray.

1. When the bridge is laid horizontally, the part below 1.8m from the ground shall be protected by metal cover plate.

2. In the engineering design, the layout of the bridge should be based on the comprehensive comparison of economic rationality, technical feasibility, operation safety and other factors to determine the best scheme, but also fully meet the requirements of construction, installation, maintenance and overhaul and cable laying. Except in private rooms. If the cable tray is laid horizontally in the equipment sandwich or the pedestrian path and is lower than 2.5m, protective grounding measures should be taken.

3. Environmental and durability requirements. Aluminum alloy cable tray should be selected for places with high corrosion resistance or clean requirements.

4. In the section with fire prevention requirements, the bridge can be added in the cable bridge and tray with fire-resistant or flame-resistant plate, net and other materials to form a closed or semi-closed structure.

5. Cables with different voltages and different uses should not be laid in the same cable bridge.

6. The bridge, wire slot and its support and hanger should be made of corrosion-resistant rigid materials when used in corrosive environment, or anti-corrosion treatment should be adopted, and the anti-corrosion treatment method should meet the requirements of the project.

The above is the introduction of how to choose the right cable tray.

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