Make the holes and fix the cable tray supports with appropriate metal plugs, mounting brackets with base plates and nuts, 'L' angles / slotted 'C' channels and nuts. 2 meter distance is maintained between the supports to avoid sagging of cable trays / . This publication is intended as a practical guide for the proper and safe* installation of cable ladder systems, cable tray systems, channel support systems and associated supports. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. us-trations without notice. All illustrations, descriptions and technical information included in this document are provided as indications and can cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned. , is a welded wire-mesh cable management system made of high-strength steel wire. The selection of material and finish is a function of the environment in wh tant in a wide range. 75mm Premier Stand Off Brackets (HDG) The 75mm Premier stand off bracket is designed for securely spacing cable trays up to 75mm wide from wall or surface mounts. The metal in cable trays may be used as the EGC as per the limitations. The Aitkens range of Channel Support Systems, are provided to supply an economical, flexible and efficient method of universal support and fixing for cable trunking, cable tray, cable ladder, lighting systems, pipework and many other electrical and mechanical installations.