Do vertical cable trays always need to be supported by brackets
Support Methods: Common support methods include trapeze hangers, which are used for ceiling suspensions, and cantilever wall brackets, which are mounted directly to walls for runs along vertical surfaces. Short Span trays, often used for non-industrial indoor installations, are typically supported every 6 to 8-feet, while Intermediate Span trays are typically supported every 10 to 12-feet. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. 8 (Other Mechanical Stresses (AJ)) in that document provides requirements for cable support.
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