Types And Characteristics of Cable Tray
Cable trays are structures used for supporting insulated electrical cables as a part of the cable management system in commercial and industrial construction. The system
is designed to withstand the severe environments and protect the wire’s hazardous
conditions. The trays are recommended by the National Electrical Code (NEC) for
power distribution and routing. Manufacturers of cable tray systems are obliged to test their products for ratings relative to flammability resistance, mechanical resistance, and temperature limitations. If you want to install cable trays in your
workstation, call an electrical cable supplier that offers an extensive line of precisely engineered products. Types of cable trays
The cable trays are designed to comply with standards of NEC Section 392.10 (A) and they are familiar with all these rules to meet all application requirements and NEC requirements. The most widely used cable trays are: ● Channel Cable Trays
They are used for installation with limited trays where the cables exit through the cable channel. The standard length of 12 feet to 24 feet and the standard width is 3, 4, & 6 inches in metal systems and up to 8 inches in nonmetallic systems. This system is an economical way of enhancing reliability. ● Ladder Cable Trays
They have solid side rail protection that allows the free flow of air through the system.
The trays are generally made with a support span of 12 - 30 feet and standard widths of 150 to 900 millimetre. They are great for resisting excessive heating issues and preventing explosions when exposed to gasses in the conduit. ● Single Rail Cable Trays
These trays have the potential to support ample cable to route in the system. They are flexible to the wires and a good choice for low voltage and low power cables. The
standard width of these trays are 6 to 25 inches, depth are of 3 to 6 inches, and lengths are 10 to 12 feet during installation.