Place the joint plate centrally on the joint area of the cable trays. To avoid damage to cables, edge protection strip is attached at cut edges of cable trays, if no joint plates or bottom end plates are to be mounted. Cut the edge protection strip to size. The following pages address the 2014 National Electrical Code® requirements for cable tray systems as well as design. Cable tray welding is essential for ensuring the structural stability of cable tray systems in industrial and commercial wiring setups. Cable tray welding enhances the durability of. Our tray features our Safe-T-Edge design that involves "T" welding the lateral wires to the bottom edge of the top wires and carries a patent for optimized wire diameters for maximized working load.
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