Horizontal deviation: ≤2mm per meter. Must be level, plumb, and securely mounted on supports. Calculate horizontal, vertical, or compound cable tray offsets based on bend angle, offset distance, and available installation space. Use dedicated splice plates and. The maximum horizontal distance shall be 76-meters (250 ft). For ease of cable installation and future expansion in hallway or major distribution routes, cable trays are the preferred method for distributing the horizontal wiring from the telecommunications room to the communication outlets. When. NEMA Standards Publication VE 2-2018 Cable Tray Installation Guidelines Endorsed by Cable Tray Institute www. com Published by: National Electrical Manufacturers Association 1300 North 17th Street, Suite 900 Rosslyn, Virginia 22209 www. This spacing should generally be no less than 0. The primary reason for this separation is to minimize electromagnetic interference (EMI), which could.
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