At railroad crossings, corner suspension clamps are used when pull is within what range regardless of strand?

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When a line must change direction at a railroad crossing, the conductor goes around a corner, which creates a tighter bend and concentrates tension. Corner suspension clamps are designed to handle that bend effectively over a specific range of pull, five to fifty feet, and this is independent of the type of strand used. Within this pull range, the clamp properly directs the strand around the corner, distributing the load and reducing wear, bending stress, and potential galloping. If the pull is shorter than five feet, the bend is too tight for this device and a different arrangement is used; if the pull exceeds fifty feet, the geometry doesn't require a corner clamp and other hardware is appropriate.