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SUPERIOR TRAY BENEFITS The benefits of Superior Tray Cable Tray Systems vary depending on the type of tray required.
Where the power cables enter or exit conduit, the conduit to cable tray clamps may be installed upright or inverted to terminate conduits on the top or bottom of the cable tray side rail.
The Ladder Tray is used in approximately 75% of the cable tray wiring system installations, due to its many desirable features:
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Moisture cannot accumulate in ladder trays.
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If cable trays are being installed where working space is a problem, hand access through the cable tray bottom may help to facilitate the installation of small diameter cables such as: control instrumentation, signal, etc.
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A Ladder Tray without covers permits the maximum free flow of air across the cables. This allows the heat produced in the cable’s conductor to effectively dissipate. Under such conditions, the conductor insulation in the cables of a properly designed cable tray system will not exceed its maximum operating temperature. The cables will not prematurely deteriorate due to excessive operating temperatures. The rungs of the Ladder Tray provide convenient anchors to tie down the cables in the non-horizontal cable tray runs or where the positions of the cable tray must be maintained in the horizontal cable tray runs. This is necessary for single conductor cable installations, because under fault conditions (short circuit), the magnetic forces produced by the fault current will move the single conductor cables from the cable tray if they are not securely anchored to the tray.
Hefty Tray benefits are similar to ladder tray with the major difference is the tray’s outward flanges that is required at many power cable installation project for external rigid attachment. It is most suitable for multiple large cables installation. Center Hung Tray is used to support and route power and telecom/teledata cables. The simple design saves time and has less support requirements. This saves 50% in material cost compared to standard cable trays. On the other hand, the basket tray is designed to provide additional support to prevent damage of the sensitive and fiber optic cables for the data and communications cabling industry.
Power cables may exit or enter the ladder trays through the top or the bottom of the cable tray.
For more information, please call 604.572.4419 or visit www.superiortray.com
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