Industrial ADR-25 AL9C7 250MCM-6 Electrical Lug

Catalog ADR25 is a dual‑rated aluminum grounding lug designed for single‑conductor terminations in electrical distribution systems. This 1‑hole, socket‑screw lug accepts conductors up to 250 kcmil (250 MCM) with a minimum of six strands and is made from aluminum with a tin‑plated finish for corrosion resistance. The AL9CU designation indicates compatibility with both copper and aluminum conductors, enabling reliable dual‑rated performance in mixed‑material installations. The ADR25 is UL listed (UL E9809) and commonly used for grounding connections, feeders, and equipment grounds in industrial and commercial power systems. It is part of the Blackburn/ABB Thomas & Betts family of mechanical lugs, built for robust mechanical integrity in applications up to 600 V. This single‑conductor lug is designed for straightforward installation with a socket screw and one‑hole mount, offering a compact footprint suitable for dense switchgear or panel boards.