Suspension bracket to suspend cable trays and cable ladders to previously installed cable support systems. Can be used indoors and outdoors. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. Our knowledgeable production team works closely with each customer to provide quality solutions based on your schedule and budget. We want each and every experience with our company to be a good one. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or. Easy-to-install brackets safely and securely mount a straight cable runway vertically to a wall. Cable Management D-Rings for Rack Encl. High-Capacity Vertical Cable. As a key support system for cable laying in building electrical engineering, the installation quality of vertical cable trays directly affects the safe operation of power, communication, and other circuits. This document, based on national standards such as GB 50303 “Code for Acceptance of. These supports are designed for use with light duty, medium duty, heavy duty and extra heavy duty ladders.