VERSI-POLE™ Power Distribution Blocks are designed to provide modular solutions to power distribution applications. Each connector element is made from a high conductivity aluminum alloy which is insulated with a high strength polymer housing. One, two, and three pole versions available. 'Add' a pole (snap-together) blocks are also available for wire sizes up to 500 kcmil. For use with Cu or Al. 600 V, AL9CU rated.