The 3M Cold Shrink Splicing Products are designed using the proprietary cold shrink delivery system developed by 3M.The 3M Cold Shrink Splicing Products are designed using the proprietary cold shrink delivery system developed by 3M. Products are supplied prestretched on a removable core for efficiency and ease of installation. 3M Cold Shrink Splices 5740 Series are used for single conductor, non-shielded 5/8 kV cables. Each kit is a cold shrink design and contains enough material to insulate three splices. Connectors are not included and must be ordered separately. Note: Cable sizes shown below are for standard insulation thickness. Final determining factor is cable insulation outside diamater.