Traditionally, it has been recommended to install brackets approximately every 1 to 1. 5 meters along the length of the cable tray. There are factors to consider when determining the appropriate bracket spacing for your installation. The rungs cannot be more. Cable tray support quantity can be calculated using a simple formula: Support Quantity = Total Length ÷ Support Spacing + 1 20 ÷ 2 + 1 = 11 supports In a typical project, a 20-meter cable tray with 2-meter spacing requires 11 supports. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. A cable support system consists of cable support lengths and system components, such as cable support fittings, support elements, mounting elements and system acces-sories. The cable support lengths and fittings can basically be designed as cable trays, cable ladders or mesh cable trays, in which. The cable tray support span must be determined based on the manufacturer's load capacity chart and the total anticipated weight of the cables.
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