Cable tray and or trunking shall be kept on worksite project undercover in dry well ventilated storage facilities building.
Cable tray trunking meaning.
This type of cable tray provides maximum ventilation to heat producing cable such as power cables.
A cable tray is a metallic frame array which is used to support or lay cables onto it.
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.
A cable trunk is an enclosure where cables are placed in for purposes of distribution.
Electrical and industrial power management solutions eaton.
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.
Cable tray trunking shall be stored on site under cover in dry well ventilated storage facilities.
The cables may be tied or not tied.
Sharp edges or other things in cable tray trunking and ladder that are capable of damaging the insulation or cable sheaths should be avoided.
In addition they are useful where changes in wiring systems can be anticipated.
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The width of cable tray trunking ladder should have sufficient width to take the cable without crowding and shall allow for future 25 space.
Depending on the width required we offer light duty medium duty and heavy duty cable trays to suit your cabling requirements.
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.
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.
The cables should not be stacked together.
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.