Per the national electrical code article nema 392 9 b cable tray fill calculations and cable tray sizing calculations will be computed as follows.
Cable tray sizes chart.
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Instrument cables and control cables are should have to be lay in perforated tray.
Chart is based on 50 fill of 4 utp category 6 cable o d 21 033lbs ft not maximum loading weight for the tray.
Plastic cable trays 60 mm side height standard support width 1 5 m55 cable trays 1 this chapter contains an overview of the rico cable tray systems for various loads and applications subdivided into product families.
Cable trays may be filled 50 when using control or signal wiring.
The sum of the cross sectional areas of all cables cannot exceed 50 of the trays fill area.