Cable tray pressure plate installation method

Cable tray pressure plates are installed to secure and join tray sections, ensuring a stable and compliant cable management system.

Tools and Materials Needed

• Wrenches or spanners
• Drill (if holes need adjustment)
• Metal cutting tool (for field modifications)
• Cable trays and pressure plates (splice plates)
• Bolts, nuts, and washers (usually included with plates)
• Level and measuring tape for alignment

Step-by-Step Installation

1. Plan and Prepare Determine the route of the cable tray and mark support points. Ensure the pathway is clear of obstructions and that tray sections are properly aligned .
2. Position the Pressure Plates Place the pressure plate at the ends of two tray sections to be joined. For adjustable or flexible plates, determine the desired angle and adjust the plate accordingly .
3. Align the Tray Sections Ensure the trays are level and aligned. Use a level to maintain straight runs and proper slope if required. For angled connections, adjust the flexible splice plate to match the tray orientation .
4. Secure the Plates Insert bolts through the holes in the pressure plate and tray flanges. Tighten nuts using a wrench or torque wrench to ensure a firm connection. Standard splice plates may require multiple bolts for a strong hold .
5. Check Support Spacing Ensure that supports are installed within the recommended distance (typically 1.5 meters or 5 feet for standard trays, or 600 mm on both sides for flexible plates) to comply with NEMA VE2 and NEC guidelines .
6. Final Inspection Verify that all bolts are tight, trays are level, and the connection is secure. Ensure there is no sagging or misalignment that could compromise cable support .

Tips for Safe and Efficient Installation

• Wear appropriate PPE, including gloves, safety glasses, and a hard hat .
• Deburr any cut edges to prevent cable damage.
• Use bonding jumpers only if required by your local electrical code; some flexible plates do not require them .
• For long runs or heavy loads, consider additional supports to prevent sagging . By following these steps, cable tray pressure plates can be installed securely, providing a reliable and code-compliant cable management system.