How to install the 7-shaped clips on cable trays

7-shaped clips are installed by positioning them over the tray edge, securing cables or tray sections, and tightening with appropriate fasteners to ensure stability and compliance.

Preparation

Before installation, ensure you have the correct personal protective equipment (PPE), including gloves, safety glasses, and a hard hat. Inspect the cable tray system for any damage and confirm that the tray route is clear of obstructions such as pipes or HVAC ducts. Verify that the 7-shaped clips are compatible with your tray type (ladder, perforated, or solid-bottom) and that you have the necessary tools, such as a wrench, screwdriver, or pliers, depending on the clip design .

Installation Steps

1. Position the Clip: Place the 7-shaped clip over the edge of the cable tray or around the cable bundle. The clip should fit snugly without forcing it, ensuring it aligns with the tray's mounting holes or edges .
2. Secure the Clip: Insert the fastener (bolt, screw, or nut) through the clip and into the tray or support bracket. Tighten the fastener gradually to hold the clip in place while avoiding over-tightening, which could deform the tray or damage the cable insulation .
3. Check Alignment: Ensure the clip is perpendicular to the tray and that cables are properly seated within the clip. Maintain proper spacing between clips according to manufacturer specifications, typically every 1.5 to 2 meters for standard cable trays .
4. Verify Stability: After all clips are installed, gently test the cables or tray sections to confirm they are securely held. Adjust any clips that are loose or misaligned to prevent sagging or movement .
5. Final Inspection: Conduct a visual inspection to ensure all clips are installed correctly, fasteners are tight, and the system complies with safety and electrical standards. Label or mark the tray sections if required for maintenance or identification .

Tips for Best Practice

• Use clips that are designed and tested for your specific tray system to ensure safety and compliance .
• Avoid overloading the tray; follow recommended fill ratios to prevent stress on clips and supports .
• For long cable runs, consider using intermediate supports to reduce strain on individual clips .
• Always follow local electrical codes and manufacturer guidelines for installation spacing, torque, and load limits . By following these steps, 7-shaped clips can be installed securely, ensuring both the mechanical stability of the cable tray system and the safety of the electrical installation.