Cable Tray Installation Standards

Figure f 3 cable feed into cable tray d cable sheaves or a shoe may be used to guide cable into the desired direction maintain minimum bend radius and reduce friction.

Cable tray installation standards.

For cable tray installers this publication is intended as a practical guide for the proper installation of cable tray systems. Ve2 is a nema standard that outlines cable tray installation practices material control and unloading storage standards. Nema stands for the national electrical manufacturer s association. It is recommended that the work described in this guide is carried out by competent persons who are familiar with the products being installed and the safety standards associated with them.

Nema ratings are standards that define the types of environments an electrical enclosure can be used in. The standard iec 61 537 is the product standard defining the requirements and test methods for the cable tray and cable ladder systems. Electrical power system design calculations in process industry leave a reply. Electrical and industrial power management solutions eaton.

Usually show that the installed cable tray wiring system will cost 10 to 60 percent less than an equivalent conduit wiring system. Aramco standard saes p 103 ups and dc system. Cable tray and cable fittings shall be fully perforated slot sizes shall be 20mm x 7mm or similar running. Nema ve 2 this standard is a practical guideline used by engineers contractors and maintenance personnel for the proper shipping handling storing maintenance and installation of both metal and nonmetallic cable tray systems.

There are other savings in addition to the initial installation cost savings for cable tray wiring systems over conduit wiring systems. These guidelines are not intended to cover all details or variations in cable ladder and cable tray installation and do not provide for every installation contingency. 4 2 3 galvanised cable trays all galvanised cable trays shall be manufactured from pre galvanised mild steel to bs en 10142. 2006 with a minimum coating weight of 275g m.

Being the only standard harmonized at european level it is the reference when marking ce on the products as requested in the lvd. The amount of cost savings depends on the complexity and size of the installation. Sheaves or a shoe may be used to guide the cable into the tray. Main keywords for this article are cable tray installation details with pictures cable tray installation details dwg cable tray installation drawings cable tray support span calculation cable tray support brackets.