Answer
Jan 06, 2026 - 11:14 AM
The published minimum breaking strength for 1/4" 7×19 galvanized wire rope is approximately 7,000 lb, based on a straight pull.
For vertical lifting, a standard 5:1 design factor is typically applied, resulting in a Working Load Limit (WLL) of 1,400 lb per cable when used in a single, straight vertical configuration.
Actual allowable load can be reduced by several factors, including the number of cables used, sling angles, hitch type, and end terminations. Swaged fittings (such as Flemish sleeves) generally warrant a small reduction (often around 5%), though the exact efficiency depends on fabrication and condition.
Because multiple variables affect lifting capacity—especially when hoisting an 80-ft high mast—we recommend working with a qualified rigger or contractor to confirm a safe lifting setup.
