Installation of Double-Pass Cable Tray Funnel

A double-pass cable tray funnel should be installed by ensuring proper alignment, support, and cable bend radius to maintain safe and efficient cable routing.

Preparation and Planning

Before installation, review the project design, local electrical codes, and manufacturer specifications. The system designer or engineer should determine the layout, support spacing, and clearances required for the double-pass funnel, considering other trades and equipment in the area ( ). Ensure all components, including trays, funnels, connectors, and hardware, are delivered undamaged and organized for efficient installation ( ).

Installation Steps

1. Positioning the Funnel: Place the double-pass funnel at the junction where cables will transition between tray levels or directions. Ensure the funnel aligns with the main cable tray runs to avoid sharp bends or stress on the cables ( ).
2. Support and Mounting: Secure the funnel using struts, threaded rods, or brackets as specified in the design. Maintain recommended support spacing to prevent sagging and ensure structural stability. Supports should be installed before cable placement to allow safe routing ( ).
3. Cable Routing: Feed cables through the funnel carefully, maintaining the minimum bend radius specified for each cable type. Avoid overcrowding; the double-pass design allows cables to pass in two layers, so ensure proper separation to prevent overheating and mechanical damage ( ).
4. Securing Cables: Use cable ties or clamps to hold cables in place within the funnel. Ensure that ties are snug but not overly tight to avoid damaging insulation. Maintain consistent spacing to facilitate future maintenance and inspection ( ).
5. Integration with Tray System: Connect the funnel to adjacent cable trays using appropriate connectors or flanges. Verify that the transition is smooth and that cables can move freely without obstruction ( ).

Safety and Compliance

• Only qualified personnel familiar with electrical hazards and the Canadian Electrical Code (CEC) or local codes should perform the installation ( ).
• Ensure grounding and bonding of the tray system as required.
• Avoid exceeding the tray fill capacity to prevent overheating and maintain airflow ( ).
• Inspect the installation for mechanical stability, proper alignment, and cable protection before energizing the system.

Final Checks

After installation, perform a visual inspection to confirm that all cables are properly routed, supported, and secured. Verify that the funnel allows smooth cable transitions and that all components comply with the design specifications and safety standards ( ). By following these steps, a double-pass cable tray funnel can be installed efficiently, ensuring safe, organized, and code-compliant cable management.