Aluminium Ladder Cable Tray

The ladder cable tray must have an inside available width equal to or greater than the sum of the diameters (Sd) of the cables, which must be installed in a single layer. When using solid bottom cable tray, the sum of the cable diameters is not to exceed 90% of the available cable tray width....

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Product Details

The ladder cable tray must have an inside available width equal to or greater than the sum of the diameters (Sd) of the cables, which must be installed in a single layer. When using solid bottom cable tray, the sum of the cable diameters is not to exceed 90% of the available cable tray width. 

The ladder cable tray needs to be divided into two zones (a barrier or divider is not required but one can be used if desired) so that the No. 4/0 and larger cables have a dedicated zone, as they are to be placed in a single layer. 

A ladder cable tray containing only control and/or signal cables, may have 50% of its total available cable area filled with cable. When using solid bottom cable tray pans, the allowable cable area is reduced from 50% to 40%. 

Often, more than one bottom type is acceptable. In this case, the economic difference should be considered. Ladder cable trays have a lower cost than either non-ventilated or ventilated bottom configurations. Typically, the cost of ladder type cable tray decreases as rung spacing increases. However, the effect of rung spacing on load capacity for ladder type cable trays with 18" rung spacing should be evaluated, since we published load capacities are based on 12" rung spacing. Rung spacing can affect individual rung and side rail loading as well as system load capacity. Rung loads applied during cable installation should also be considered. 

Ladder Cable Trays shall consist of two longitudinal members (side rails) with transverse members (rungs) mechanically fastened to the side rails. Rungs shall be spaces [6] [9] [12] inches on center. Rung spacing in radiused fittings shall be industry standard 9” and measured at the center of the tray’s width.

 

Materials and Finish:

Straight section and fitting side rails and rungs shall be extruded from Aluminum Association Alloy 6063. All fabricated parts shall be made from Aluminum Association Alloy 5052. 

Each rung must be capable of supporting a 200 lb. concentrated load at the center of a 18” wide cable tray with a safety factor of 1.5. Rungs shall be capable of easy removal, reinstallation, or replacement if necessary.

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Factory information: 

Welcome to our factory !

Factory Name

Jiangsu Changcheng Cable Co.,Ltd

Location

Lingtang Town,Yangzhou,Jiangsu ,China

Establishes in

1990,more than 25 years’ experience in cable manufacturing

Export office location

Yunhe Building,Hanjiang Area,Yangzhou,China

Our main products

Control cable

Instrumentation cable

Power cable

Cable and electrical wires for installation

High temperature cable

Flame retardant and Fire-resistant cable

Special cable

Cable tray

Street lighting

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