Cable tray and hanger specifications and models

Cable tray hangers come in a variety of models including J‑hooks, clevis hangers, trapeze supports, and adjustable rod hangers, each designed to support specific tray types, spans, and load capacities. Common Cable Tray Hanger TypesJ‑Hook HangersDesigned for single or bundled cables. Material: Steel, stainless steel, or aluminum.

Finish: Powder-coated, hot-dip galvanized, or bare metal. Load capacity varies by size and span; typically used for light to medium loads.

Clevis Hangers

Support ladder trays or ventilated trays from ceilings. Adjustable height via threaded rods. Material: Steel or stainless steel; finish options include galvanized or painted.

Trapeze Supports

Ideal for long runs of heavy cable trays. Consists of two vertical rods connected by a horizontal bar supporting the tray. Material: Steel or aluminum; can be powder-coated or galvanized.

Adjustable Rod Hangers

Provide flexibility in height and alignment. Compatible with ladder, ventilated, and solid-bottom trays. Material: Steel; finish: hot-dip galvanized or painted.

Wall-

Mount Brackets

Support trays along walls or equipment racks. Adjustable for different tray widths and load classes. Material: Steel; finish: powder-coated or galvanized.

Specifications to Consider

Load Class: Defines the maximum weight the tray can carry over a specific span. Tray Width Compatibility: Hangers are designed for specific tray widths (e.g., 50mm, 100mm, 300mm). Material & Finish: Steel, stainless steel, or aluminum; finishes include powder-coated, hot-dip galvanized, or bare metal.

Height & Span Adjustability: Many hangers allow vertical adjustment to accommodate ceiling heights or structural constraints. Fittings Compatibility: Hangers must support elbows, tees, risers, reducers, and splice plates for proper tray installation.

Manufacturer Resources

Hubbell NEXTFRAME®: Offers ladder trays with modular hangers for floors, walls, ceilings, and racks, including J-bolt kits for cabinet tops.

Eaton B-

Line Series: Provides metallic ladder systems with trapeze and rod hangers, CAD/BIM files, and submittal tools for straight sections, fittings, and accessories.

ABB T&

B Cabletray: Includes ladder and ventilated trays with clevis, trapeze, and rod hangers, compliant with ASTM A123, ISO 1461, and UL/NEMA standards. Legrand Cable Trays: Technical guides detail mechanical and electrical characteristics, CE marking, and compatibility with various fittings. King Power Technology: Offers a catalog of tray fittings and hangers with dimensions, heights (50mm–120mm), and surface treatments.

Installation Tips

Ensure hangers are spaced according to tray load class and manufacturer recommendations. Use adjustable hangers for uneven ceilings or long spans. Verify material and finish compatibility with environmental conditions (e.g., corrosion resistance for outdoor or industrial use).

Confirm compliance with local electrical codes and standards (UL, NEMA, NFPA) for safety and warranty purposes. This comprehensive overview covers the main cable tray hanger models, specifications, and manufacturer resources, providing a solid reference for design, procurement, and installation.