Cable tray systems design shall comply with nec article 392 nema ve 1 and nema fg 1 and follow safe work practices as described in nfpa 70e.
Cable tray installation guidelines.
We work to achieve the quality and reliability that our industry demands we have more than a decade s worth of experience making and designing quality cable tray and cable management systems.
Cable trays shall be grounded at least every 15 m 50 ft and at both ends for cable tray installation guidelines for engineers.
Aluminum in outdoor application.
Nema ve2 addresses cable tray installation and provides information on maintenance and system modification.
Hot dip galvanized vs.
A conduit wiring system an engineer must be knowledgeable of both their installation and the system features.
Cable trays support cable the way that roadway bridges support traffic.
To properly evaluate a cable tray wiring system vs.
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.
Installation of cable 41 2 11 preparation 41 2 12 wiring regulations 41 2 13 power cables 41 2 14 data cables 46 2 15.
Cable tray width selection for installation with 600 volt single conductor cables.
Power cable installation guide figure f 5 multiple sheaves figure f 6 sheave arrangements for feeding into cable tray training radius the training radius is the final positioning of cable ends after the cable has been placed in the raceway.
Mp husky cable trays are nema ve 2 2013 compliant.
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.
What does this mean.
Cable tray is the bridge that allows for safe transport of wires across open spans.
Standards guidelines for cable tray systems.
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 ve2 was developed by the nema cable tray section of which mp husky is a charter member.
A bridge is a structure that provides safe passage for traffic across open spans.
Nema ve 2 2013 cable tray installation guidelines provides guidance on how to select cable tray.
For cable tray installers this publication is intended as a practical guide for the proper installation of cable tray systems.
All cable tray conduit drop outs shall be bonded to the cable tray according to with grounding bushing on conduit end and bonding wire bolted to the cable tray with a compression lug.
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.
These limits should not be used for cables subjected to pulling tensions during installation.
