IDC connectors create fast splice and tap connections on solid copper wires. Designed for low voltage telecommunication cables. Moisture-resistant sealant protects wires from corrosion. Use with solid copper single-conductor wire. Quick, easy one-step splicing. Gel filled butt splicing connector for 3 wire application. For solid wire conductors of 19-26 AWG. Maximum insulated O.D. of .060 in. (1.52 mm).