Their main purpose is the safe maintenance and protection of electric wires and cables and guiding them in the designed paths. 5 and 2 mm Width: 50 to 1100 mm Length: 2 to 3 meters Material: galvanized sheet. ent cracking and/or deformation by the pull blocks. These fitting are including: elbow, horizontal cross, vertical inside. Application of cable trays Cable trays are used for cabling in oil and gas sites, petrochemical plants, power plants, commercial and industrial buildings, factories, etc. Cable trays are made of different materials for different weather conditions. For cold and mountainous weather, the cable tray.