NSI easy-Splice wrap-around gel splice closure sleeves quickly insulate and seal buried electrical connections rated up to 1,000 volts. Engineered to handle direct burial and manhole applications, these splice enclosure sleeves are equally well suited for insulation and jacket repair. Simply wrap and snap the sleeve on any cable in the use range. The sealant gel in the sleeve seals on contact. The splice closure sleeve can be applied on all common compression connectors and low voltage cables, as well as in-line mechanical connectors. Qualified to ANSI CI 19.1 -1986 for underground splicing. A minimum seal length is required on each side of the connector opening or jacket damage. 3.00 maximum connector opening. 0.15-inches - 0.70-inches diameter length.