Polaris Insul Tap connectors from NSi. For connecting 2 wires sizes 3/0 AWG and smaller, same side wire entry. 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. 90C. To receive the material in bags, add Bto the catalog number. Not recommended for fine stranded, flexible wire.