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Cable tray systems are categorized into solid‑bottom (trunking), perforated/tray, ladder‑type and wire‑mesh configurations. They may be installed as free‑standing structures or mounted on supports within buildings, structures or utility tunnels, offering simple construction, attractive appearance, flexible configuration and easy maintenance. All components shall be galvanized. For outdoor installations—especially in coastal or other highly corrosive environments—materials must exhibit excellent corrosion resistance, moisture resistance, strong adhesion and high impact strength.
| Width(mm) | Height(mm) | Plate Thickness(mm) | Material |
| 50mm | 35mm | 0.75mm | Stainless steel |
| 75mm | |||
| 100mm | 60mm | 1mm | |
| 150mm | |||
| 200mm | 85mm | 1.5mm | |
| 300mm | Steel | ||
| 400mm | 110mm | ||
| 500mm | 2mm | ||
| 550mm | 200mm | ||
| 600mm |
Steel: Hot-dip galvanized (≥60µm for outdoor), powder-coated, or stainless steel
(AISI 304/316 for corrosion resistance)
Aluminum: Lightweight, natural corrosion resistance, no coating needed
Fiberglass (FRP): Non-conductive, ideal for chemical/utility plant
1. Ladder Cable Tray：
Structure: Two longitudinal side rails connected by transverse rungs (resembling a ladder)
Key Features:
1.High ventilation (≈70% open area) for effective heat dissipation
2.Long support spans (12–30 ft), ideal for heavy power cables
3.Lightweight yet high load capacity (supports large-diameter HV/LV cables)
Applications: Power plants, industrial facilities, and outdoor installations
Structure: Solid base with perforations (holes/slots) for partial cable coverage
Key Features:
1.Balanced protection and airflow (dust resistance with moderate ventilation)
2.Modular design for flexible routing around obstacles
3.Material options: Pre-galvanized steel, stainless steel, or aluminum
Applications: Data centers, commercial buildings, and light-industrial settings
Structure: Fully enclosed, U-shaped channel with a solid base
Key Features:
1.Maximum cable protection against dust, moisture, and corrosion
2.Suitable for short-to-medium spans (5–12 ft)
3.Fire-resistant variants available for hazardous areas
Applications: Chemical plants, marine environments, and high-corrosion zones
Structure: Welded wire grid (open-weave design)
Key Features:
1.Ultra-lightweight and easy to install/modify
2.High visibility for cable inspection and maintenance
3.Short support spans (optimal for telecom/fiber optics)
Applications: IT rooms, office cabling, and low-voltage systems
Structure: Single-spine rail with side ribs forming shallow channels
Key Features:
1.Cost-effective for small-branch cable drops
2.Compact size (width: 6–24"; depth: 3–6")
3.Quick installation in constrained spaces
Applications: Branch circuits, control wiring, and retrofit projects
Structure: Central rail with lateral supports
Key Features:
1.Reduced material cost and weight vs. dual-rail designs
2.Optimized for low-voltage/power cables with high installation speed
Applications: Light-duty projects (e.g., solar farms, temporary installations)
The bridge provided by Yoshine meets the requirements of the national standard covering the entire process of material, structure, mechanical properties, anti-corrosion grade, and test methods. The core standards include GB/T 23639-2017 and JB/T 10216-2013. When selecting, it is necessary to combine environmental corrosiveness, cable load, and installation form (such as large spans need to be ≥3m) for comprehensive matching. In the project, products that meet the requirements of material and energy saving should be given priority, and they should be strictly inspected and accepted according to the standards to ensure system safety.
1. Solid Bottom Cable Tray (Trough Type), a bridge with a groove shape and a cover.
2. Perforated Cable Tray (Tray Type), which is very similar to the trough bridge, the difference is that there are holes at the bottom of
the groove to increase ventilation and heat dissipation.
3. Ladder Cable Tray, different from the trough and tray types, the bottom is not a flat plate, but a horizontal bar with a large area of
gaps, which looks like a ladder shape.
4. Wire Mesh Cable Tray, a bridge with a grid-shaped groove made of iron bars.
5. Channel Cable Tray, there is a partition in the center of the groove of the groove bridge, which can separate the cables into two
sides for passing.
Cable tray systems are categorized into solid‑bottom (trunking), perforated/tray, ladder‑type and wire‑mesh configurations. They may be installed as free‑standing structures or mounted on supports within buildings, structures or utility tunnels, offering simple construction, attractive appearance, flexible configuration and easy maintenance. All components shall be galvanized. For outdoor installations—especially in coastal or other highly corrosive environments—materials must exhibit excellent corrosion resistance, moisture resistance, strong adhesion and high impact strength.
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Jinshi Museum, No.8 Qinling Rd, Qingdao China
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