Sigma ProConnex 1/2-in Electrical (EMT) Zinc-plated Steel Set Screw Connector Conduit Fittings (5-Pack) in the Conduit Fittings department at Lowes.com
Steel City TC721A 1/2" EMT Set Screw Connector, Steel - Insulated Throat | Codale Electric Supply
Halex, 1/2 in. Electrical Metallic Tube (EMT) Rain Tight Connector , 26250, 5 per pack - Electrical Equipment - Amazon.com
Sigma ProConnex 1/2-in Electrical (EMT) Zinc-plated Steel Set Screw Connector Conduit Fittings (5-Pack) in the Conduit Fittings department at Lowes.com
3/4" To 1/2" EMT Conduit Standard Adapter Shim - Maker Pipe
Halex 1/2 in. Electrical Metallic Tube (EMT) Compression Connectors (5-Pack) 26230 - The Home Depot