This article is about Storage, Handling and Preservation of Cable Tray and Accessories for commercial buildings, plants and refinery projects as per international codes and standards.
Cable Tray Storage, Handling and Preservation
General Requirements
| Electrical materials shall be new and unused. |
| Electrical materials shall be in accordance with the Saudi Aramco-approved project-specific design drawings, diagrams, schedules, lists, databases, and associated documents. |
| Electrical materials shall be free of damage. |
| Electrical materials shall conform to all applicable requirements, standards, and specifications prior to release to be used as part of the work. |
| Electrical materials shall be identified by using tags, stamps, color coding, stencils or labels. The location and method of identification shall not affect the function or quality of the materials. |
| Electrical materials shall be traceable from the manufacturer and supplier through delivery, storage, fabrication, erection, installation, repair, modification and use. |
Storage, Handling, and Preservation
| Shipments shall be hand unloaded unless provisions have been made with the cable tray manufacturer for forklift unloading. (NEC 110.3, NEMA VE-2 Sec. 2) |
| To prevent damage to cable tray: 1) Never pull cable tray from truck trailer by chaining to bottom rung and dragging out of trailer 2) Special care must be exercised using slings so cable tray is not crushed from the improper location and lifting by sling (NEC 110.3, NEMA VE-2 Sec. 2) |
| Cable tray can be stored outside without cover, but shall be: 1) Loosely stacked 2) Elevated off the ground 3) Ventilated to prevent storage stain 4) Protected from scratching and marring of finish 5) Small accessories should be stored to prevent loss 6) Stored away from high traffic areas 7) Stacked by width and type (NEC 110.3, NEMA VE-2 Sec. 3) |
| Cable tray systems shall not be subjected to physical damage. Cable tray shall be free from burrs or other sharp projections that could cause damage to the cable jacket during installation. [NEC 392.4, 392.5 (B)] |
International Codes & Standards
| SAES-P-104 – Wiring Methods and Materials. |
| NEMA VE 2- 2006 – National Electrical Manufacturers Association, Cable Tray Installation Guidelines. |