JT&T"s Nylon Closed End Connectors are capable of connecting two or more wires together in a pigtail application, in the wire range of 22-14 AWG solid or stranded copper conductors. The connector is covered by a nylon insulator. The connector has a maximum operating temperature of 105C (221F). JT&T offers a wide range of terminal products to cover a connection including: soft vinyl and vinyl twist connects.