Generally divided into these types:
1. The trough cable tray is a fully enclosed cable tray, which is most suitable for laying computer cables, communication cables, thermocouple cables and other highly sensitive system control cables for shielding interference and for protection of cables in heavy corrosive environments. For better results, when considering the trough type as a shield, the surface treatment should be galvanized.
2. Tray type cable tray is the most widely used in petroleum, chemical industry, electric power, light industry, television, telecommunications, etc. It has the advantages of light weight, large load, beautiful appearance, simple structure, and convenient installation. It is suitable for It is used for the installation of power cables and also for the laying of control cables.
3. Ladder type cable tray has the advantages of light weight, low cost, unique shape, convenient installation, good heat dissipation, and good air permeability. It is suitable for the laying of general straight, light and large cables, especially for the laying of high and low power cables.