Feature●Aluminum Lay-In Connectors For Copper and Aluminum Conductors - Aluminum Lay-In Conductors make your job easier●Open face design allows installer to quickly lay-in the grounding conductor as a jumper to multiple conduits with no break in the ground conductor●Aluminum lay-in conductors are designed for use on Conduit Grounding Bushings and other Grounding Applications●Excellent for tapping off main conductor without cutting due to lay in feature●Manufactured from high strength 6061-T6 Aluminum alloy to insure both maximum strength and conductivityDescription AL9CU Dual rated for both Copper and Aluminum conductors. Lay-in conductors are Electro Tin Plated to provide low contact resistance and protection against corrosion. UL486B/CSA Listed.