AlumiConn 3-Port Al/Cu Wire Connectors (10-Pack) 95110 - The Home Depot
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
Thomas & Betts Part # APS06 - Thomas & Betts Aluminum And Copper Wire Split Bolt Connector For #2-9 Stranded Aluminum - Wire Connectors - Home Depot Pro
Aluminum to Copper electrical connectors
IDEAL 65 Purple Twister Aluminum-to-Copper Wire Connector (2-Pack) 30-1065S - The Home Depot
IDEAL Al/Cu Wire Connectors Purple (2-Pack) in the Wire Connectors department at Lowes.com