Belgian cable tray laying spacing

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Support spacing for cable trays must align with the manufacturer's instructions, as outlined in NEC 392. Generally, standard trays require supports every 6 to 10 feet, while heavy-duty, long-span trays can handle distances of up to 20 feet between supports. The spacing between trays, whether horizontal or vertical, depends on various factors like cable type, environment, and tray material. Where shorter length products are packed in bundles, they shall be supported with a minimum of two timber bearers which provide sufficient clearance to accommodate the forks of a forklift truck.

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