NSi - NSI AL-R1-M4 4 AWG to 500 MCM Line 6 to 4/0 AWG Load 5-Terminal Black Aluminum Single Primary Power Distribution Block

Power Distribution Block (1) 500 MCM-4 AWG Primary (4) 4/0-6 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set. Features: Each block can stand alone or combine with other blocks to form a multi-block set; Add as many holes as you need, in any configuration you want; There are no end pieces or connector pieces to fool around with; The connector body is made from high strength, high conductivity aluminum alloy and is mounted in a high strength glass-filled polyester base; Connector BlokTM covers are available in 3 sizes and fits all styles and configurations - Certifications and Standards: CSA; UL Recognized