Short answer: cable cleats and supports should be selected by cable diameter, cable arrangement, short-circuit force, mounting surface, material and installation environment.
| Single cable cleat | Used for one cable per fixing point. Confirm cable outside diameter and clamp range. |
|---|---|
| Trefoil cleat | Used for three single-core cables arranged in trefoil formation. |
| Cable support | Used for routing and spacing cables on tray, wall, tunnel or pole installation. |
| Short-circuit rating | Important for MV and HV power cables where electromechanical force can be high. |
A cable cleat should not be chosen only by diameter for MV cable projects. Short-circuit withstand requirement may control the model.
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