Tray Rated Cable Definition

Power control tray cable.

Tray rated cable definition.

Cable tray allows for the clean organization and routing of cable and offers advantages over conduit because cables are easier to access for installation repair removal and future development. Cable trays are used as an alternative to open wiring or electrical conduit systems and are commonly used for cable management in commercial and industrial construction. Tray cables tray cables are used in control and power applications in chemical plants steel mills industrial plants utility substations and generating stations as well as commercial buildings. Tray cable types tc itc and pltc are permitted in cable trays by the nec.

Tray cable comes in multiconductor and multipair styles that can be used for control instrumentation signal power and lighting. In all instances cables utilized within a cable tray system should be ul listed and marked as cable tray rated. Generally speaking raceway completely encloses the cable inside of it. In many cases there is more than one type of cable for a particular application for instance both cables rated as tray cable tc and cables rated as metal clad mc can be used for 600 volt motor power cables.

Simply put tray cable is a versatile cable approved for installation in cable trays or raceways. However if more than 1 8 meters 6 feet of cable is brought out of the tray for a connection to a motor or other electrical device cables without an er rating must be either armored type mc or be installed in conduit or some other type of raceway. Uses include cable trays raceways or conduit with exposed run and outdoor ratings. Tray cable is the all around cable.

Tray cables are available in a variety of insulation and jacketing combinations and designed to meet the demands of everything from light to heavy. They are especially useful in situations where changes to a. Rated for ul and csa belden power and control cables provide the backbone for industrial environments delivering signal and power transmission along cable trays and enclosures from controllers to devices field tested and proven belden power and control cables are specially designed to withstand temperature variations and other harsh conditions. It can be used in wet or dry locations indoors or outside and shielded or left.

Cable tray definition cable tray is classified by the nec nfpa 70 the national electrical code as a support system and not as a raceway. See multi conductor power and control cables rated for 600 volts.