Thomas & Betts Part # APS06 - Thomas & Betts Aluminum And Copper Wire Split Bolt Connector For #2-9 Stranded Aluminum - Wire Connectors - Home Depot Pro
Alumiconn Al/Cu Wire Connectors 3-Ports Purple (2-Pack) in the Wire Connectors department at Lowes.com
IDEAL Twister Al/Cu Wire Connectors, Purple (10-Pack) 30-1765S - The Home Depot
How to pigtail aluminum wiring to copper - YouTube