Differences between trough, tray, and ladder cable trays
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We used tray-type systems in the past, but now we mostly use trough-type cable trays; for some larger cables, ladder-type systems are used.
The trough type is used for laying instrument control cables, while the ladder type is used for laying power cables, offering better heat dissipation.
The trough type is used for laying instrument control cables, while the ladder type is used for laying power cables, offering better heat dissipation.
There is a detailed introduction on this page. Direct-through cable tray
In areas with high dust levels, power cables should be used in troughs; it is better to construct a cable trench for them, as this allows the heat to dissipate into the ground
The slot type is used for laying instrument control cables, and it has good anti-interference performance； The ladder type is used for laying electrical power cables, offering good heat dissipation.