Spacing Standards: Electrical (power) and instrumentation (signal/control) cable trays should maintain a minimum vertical and horizontal distance. The spacing between trays, whether horizontal or vertical, depends on various factors like cable type, environment, and tray material. Proper installation can significantly reduce electromagnetic interference, prevent fire hazards, and improve overall efficiency. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. Support spacing for cable trays must align with the manufacturer's instructions, as outlined in NEC 392. You should consider it as a series of instructions that make the buildings resistant to. The spacing stated for horizontal runs may be applied also to runs at an angle of more than 30 Degrees from the vertical.
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