Bridge, also called cable tray, is composed of brackets, trays, covers and mounting accessories. The material used to make the bridge can be plain carbon steel, low alloy steel or stainless steel, etc. according to the demand.

Classification of bridge:

First, groove type bridge, groove shape, with a cover plate bridge.

Second, tray type bridge, with the groove bridge is very similar, the difference is that the bottom of the groove has aperture, used to increase ventilation and heat dissipation.

Third, ladder type bridge, different from the groove and tray type, the bottom is not a flat plate, but a transverse file, there is a large area of clearance, looks like a ladder shape.

Fourth, the grid bridge, prepared with iron bars into a grid-like groove bridge.

Fifth, partition type bridge, in the groove of the groove of the bridge in the centre of a partition, can be separated into two sides of the cable through.

Specification size of the bridge:

Bridge specifications are usually a uniform length of 2m, ‘width * height * thickness’ to indicate, such as ‘100 * 50 * 1.0’, that the bridge size specifications for ‘2 metres long, 100 mm wide, 50 mm high, 1 mm thick’. 1mm thick’. The national standard thickness of the bridge is 1.0mm, according to the demand can be customised 0.5mm-3.0mm thickness.

The choice of bridge needs to be based on the use of the environment and the amount of bracket cable to determine the material, style and size of the specifications.