Cable tray supports shall have a maximum of 6 m spacing on horizontal run and 2. The cable tray shall also be able to support, without collapse, a 890 N concentrated load at mid span over and above stated cable load as selected per clause (4. The channel type trays are manufactured in various widths & heights of aluminum or hot dipped galvanized carbon steel, pre-galvanized carbon steel, Stainless steel 304 and 316L, with ventilated or solid bottom. The. Saudigrate cable trays are manufactured as per the international standards BS50085, NEMA VE 1, BS/IEC 61537, ASTM & UL. Manufactured in (a) FRP/GRP (b) Stainless Steel. Cable Ladders also available in special lengths of. Fill Capacity Rule (Very Important in SEC Projects) • Maintain 40–60% cable fill • Reasons: • Heat dissipation (critical in KSA high temperatures 🌡️) • Future expansion (SEC requires spare capacity) ⸻ 4. Spacing & Support • Typical support spacing: 1. 5 m to 3 m • Heavy power cable trays → closer. SPI Cable Support System is designed to comply with the requirements of NEMA FG 1-1993 under three load span classifications: Cable ladder produced under any of these classifications is available in lengths of either 3m or 6m and in widths from 150mm to 900mm. Rung spacings are available at either. Hanger Spacing: For 50mm height trays, hangers should be placed every 2. 5 to 3 meters to prevent sagging. Before you order a single fitting, the design.
