NSi - NSI AL-R2-R2 4 AWG to 500 MCM Line/Load 4-Terminal Black Aluminum Splicer/Reducer Power Distribution Block

Power Distribution Block (2) 500 MCM-4 AWG Primary (2) 500 MCM-4 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. Certifications and Standards: CSA; UL Recognized - Features: Compact, versatile and durable; High-impact bases; One-piece connectors; No assembly on job site; Connector BlokTM covers are available in 3 sizes and fits all styles and configurations