What is a hollowed-out cable tray called
A hollowed-out cable tray is commonly called a "cable trough" or "cable channel."
Definition and Purpose
A cable trough or cable channel is a type of cable tray that provides a deep, solid enclosure for electrical cables, effectively creating a hollowed-out pathway to protect and organize cables in industrial or commercial installations (Wikipedia) . Unlike ladder or perforated trays, these trays offer continuous support along the bottom and sides, preventing cables from sagging and providing maximum protection from physical damage, dust, or debris.
Types and Features
- Cable Trough: Typically features a continuous or partially ventilated bottom with solid side rails, emphasizing continuous cable support while maintaining moderate structural strength (Shielden) . It is ideal for installations where cable drooping or mechanical stress must be minimized.
- Cable Channel: A compact, single-piece tray with a narrow base and raised side flanges, designed for small cable quantities or branch runs from a main tray system (Shielden) . It functions as a localized support rather than a full routing system.
Applications
These hollowed-out trays are used when:
- Maximum cable protection is required.
- Cables need to be organized in a confined or controlled pathway.
- Maintenance and future expansion are anticipated, as cables can be easily added or removed without dismantling the tray system.
Comparison with Other Trays
- Ladder Tray: Open design with rungs, allowing airflow but less protection.
- Perforated Tray: Solid bottom with ventilation holes, balancing support and airflow.
- Solid-Bottom Tray: Fully enclosed bottom, similar to a trough but may include optional covers for additional protection. In summary, when referring to a hollowed-out cable tray, the correct industry terms are cable trough or cable channel, depending on the depth, ventilation, and intended application of the tray (Wikipedia) .
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