Result: Your cable tray system needs to handle about 38. 44 lbs/ft of distributed load. On top of that, it must safely hold a 75 lb concentrated load and a 200 lb person without bending too much or breaking. It's not just about doing sums; it's about avoiding big problems. At first, I think, you have to calculate the cable tray load [of cables], to state the type of tray: metallic [steel, aluminum],fiberglass and other,the standard type-for instance according to NEMA VE-1 or IEC 61537 or else, including a safety factor [may be 1. Sometime a. Hubbell's NEXTFRAME® Ladder Tray is the effective and widely used cable runway that supports and delivers bundles of cable between cabinets, racks, and closets, along walls, and suspended from ceilings. The Ladder Tray features light, rugged, tubular steel construction. It is designed for. Benefits include higher quality welded joints, freedom from splatter, and the ability to weld light-gauge material as thin as 0. This process is comparably more difficult to master and. Weight rating of threaded hanger rods. weight of 2 numbers of 40x40x5mm size, horizontal GI angle of length 700mm is 5.
[PDF Version]