POLARIS Unins Multi-Tap 4 3 Port3 Wire Polaris 4-14 AWG Uninsulated Multi-Cable Connector Polaris Uninsulated Multi-Cable Connectors are made from 6061-T6 aluminum alloy and are plated for corrosion resistance. They are stacked in one hole increments, up to 14 holes and are suitable for use on wire from #4 AWG to 750 MCM. UL Listed 486B Wire Connector. AL9CU. Rated 600V, 90 degrees C. Dual rated for use with copper and/or aluminum cables. Not recommended for fine-stranded, flexible wire.