Prerequisites for Cable Tray Construction
Cable tray systems are recognized as a wiring method by many national and international electrical codes. Typical requirements address: Tray construction, load ratings, and materials. IEC 61537 is the internationally recognized benchmark for metal cable tray systems. en completely installed, without damage either to conductors or structural system use maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray. Ethernet cables supporting PoE lighting, IP cameras, and office network infrastructure must meet the appropriate fire and performance ratings, such as CMR (riser-rated), CMP (plenum-rated), or tray-rated, where applicable.
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