B line series cable ladder reduces total installed cost.
Cable ladder support distance.
Following are the steps to be done for laying cables on wall mounted cable tray.
1 table of contents 02 section a.
Introduction 02 section b.
Install cable tray support using a pre fabricated flange or gi channel.
Below drawing shows how to install cable tray and its support system.
In the case of electrical products such as cable tray or ladder which are load rated in kilograms per metre the span is the distance between support points separate from the overall length of the tray or ladder itself.
For flexible systems where the cable is not directly fixed to the support system for example a j hanger installation calculations need to be undertaken to determine the required distance between the cable support positions to achieve a set deflection off set.
Common tools for installation 04 section d 2.
There are six major types of cable supports.
Cable supports should be applied either side of the bend.
Installation 03 section d 1.
Field modifications 25 section d 6.
Installation of support structure 09 section d 3.
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As the cost of structural steel continues to increase the impact of reducing the quantity of supports on a project can offset the cost of the cable ladder system all together.
Installation of cable 41 2 11 preparation 41 2 12 wiring regulations 41 2 13 power cables 41 2 14.
The size length and intervals of the support to be as per the specification standards.
Receiving and unloading 03 section c.
2 3 support systems 18 2 4 straight cable ladder and cable tray lengths 29 2 5 coupler types refer to manufacturer s literature 32 2 6 fixings 36 2 7 fittings 36 2 8 accessories 39 2 9 site modification 39 2 10 earth protection and emc 40 2b.
Fittings installation 23 section d 5.
Support points are often trapezes suspended from threaded rod cantilever brackets or other strut systems.
Straight length installation 16 section d 4.
Ancillary products accessories.
Storage 03 section d.
Ezystrut is australia s market leading supplier for cable support systems offering cable ladder tray mesh and duct solutions.
This cable tray support system drawing has isometric view and cross sectional view.
Support load calculation per iec 61537 one or more spans iec 61537 7 3i for installations with more than one span it is important to notice that the loading capacity is not the same form one end to the other.
The acceptance and use of the eia tia 569 commercial building standard for telecommunications pathways and spaces by architects and engineers has proven the importance of a carefully designed and maintained cable support system.
