Polaris It Series Insulated Connector 1-0-14 Awg
Insul-Tap connectors are suitable for connecting two wires. Abrasion and chemical resistant. UV rated. Will not support combustion. Cold temperature rated to -45C. Dual rated for use with copper and/or aluminum cables. 600 volts. 90 Degree C. Not recommended for fine-stranded, flexible wire.