Halex 1/2 in. Strain Relief Cord Connectors (2-Pack) 21692 - The Home Depot
Halex 3/8 in. Non-Metallic (NM) Twin-Screw Cable Clamp Connectors (5-Pack) 20511 - The Home Depot
Electrical Box / Conduit Connectors & Fittings
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BOX TO BOX CONNECTOR - Accessories - Electrical Fittings
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ARLINGTON Straight Duplex Box Connector: Zinc, 3/8 in Trade Size, Clip, For 0.45 in Min Cable OD - 4JWG4|SG3838AST - Grainger
3/4" Box Spacing Connector with Twin Locknuts
Arlington NM94 1/2" KO Push-In NM Cable Connector, Plastic | Independent Electric
INSULATED BOX TO BOX CONNECTOR
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PVC Junction Box Adapter | QC Supply
