Cable Tray Trunking Meaning

According to the national electrical code standard of the united states a cable tray is a unit or assembly of units or sections and associated fittings forming a rigid structural system used to securely fasten or support cables and raceways.

Cable tray trunking meaning.

The cables should not be stacked together. General cable trunking is an enclosure usually with a rectangular cross section and with one removable or hinged side that is used to protect cables and provide space for other electrical equipment. The cables may be tied or not tied. Cable tray trunking shall be stored on site under cover in dry well ventilated storage facilities.

Sharp edges or other things in cable tray trunking and ladder that are capable of damaging the insulation or cable sheaths should be avoided. Where sizes of cable trays have not details on drawing then tray shall be appropriately sized to support the cables without bunching and a 25 reserve margin shall be permitted in size and weight to be loaded. Cable tray systems provide a smart and structured solution for cable management in commercial and industrial construction. Electrical and industrial power management solutions eaton.

Straight sections of ladder type cable trays consist of two longitudinal side rails connected by individual transverse members or rungs which are welded to the side rails or bolted in case of gi trays. Cable tray and or trunking shall be kept on worksite project undercover in dry well ventilated storage facilities building. They make electrical ducting and cable trunking for concealing and securing cabling. The width of cable tray trunking ladder should have sufficient width to take the cable without crowding and shall allow for future 25 space.

The cables will be tied onto the tray and will not be hidden. In addition they are useful where changes in wiring systems can be anticipated. Cable management systems product overview cable tray trunking pvc tray trunking under floor trunking connection and fastening systems fire resistance systems energy management systems solar power systems hybrid generators capacitor banks rectifiers generators batteries lights. A cable tray is a metallic frame array which is used to support or lay cables onto it.

Where sizes of cable trays trunking are not detailed on drawing then tray shall be adequately sized to support the cables without bunching and a 25 reserve margin shall be allowed in size and weight be loaded.