Cope is the original brand of cable tray.
Cable tray loading depth.
New 5 load depth glas tray.
To obtain mid span deflection multiply a load by the deflection multiplier.
Published load safety factor is 1 5.
Today the cope brand is part of atkore international and is the premier producer of all major categories of cable tray systems.
For purposes of selecting a suitable tray this weight should be rounded off to the next higher.
90 7 kg concentrated load over and above published loads.
To convert 1 5 safety factor to 2 0 multiply publish load by 0 75.
Aluminum cable tray inside riser 90 each section includes splice plates and hardware.
Below is the data for quick tray wire mesh cable tray fill table at 50 fills.
Cope glas cable tray system.
5 side rails with 4 loading depth.
This table for cable tray sizes is provided by hoffman enclosures inc.
The nema classes are based on cable loads of 50 75 and 100 per lineal foot.
Cable trays will support without collapse a 200 lb.
I don t know how a modern program could calculate the ampacity.
Cable tray must be supported on spans shorter than.
In power station we used only solid bottom open top tray and the ampacity is calculated as per the.
3 4 lip on both sides.
Published load safety factor is 1 5.
A conduit wiring system an engineer must be knowledgeable of both their installation and the system features.
This is the total weight of cables in the tray.
In 1948 thomas jefferson cope developed the first modular cable tray system and introduced it to the electrical industry.
To convert 1 5 safety factor to 2 0 multiply the published load by 0 75.
06 152mm 09 229mm 12 305mm 18.
Matching cover listed below.
Cables of 0 21.
Wire basket cable tray fill calculator cable tray sizing calculator.
Which is subject to change at any time.
Generally cable tray sizing is correct when it appears 50 full of cable or wire or when it contains a 50 fill of cables or wire.
Cable tray wiring systems are the preferred wiring system when they are evaluated against equivalent conduit wiring systems in terms of safety dependability space and cost.
The cable tray sizing equals the width times the loading depth.
10 foot length part numbers type fe rung spacing section width.
Cable load working load the cable load or the working load is the total weight of the cables to be placed in the tray.
To properly evaluate a cable tray wiring system vs.
Tray size of 0 1852 o d.
Cable load foot 49 cables 20 lb 1000 ft.
Cope cable tray systems.
Cable tray must be supported on spans shorter.
Cable trays will support without collapse a 200 lb.
Inside vertical riser guides and transitions cable tray up or level with cables on the inside.
