4" Square, 4" Square Boxes, Covers & Extension Rings, Electrical Junction Boxes, Extension Rings

4" Square Extension Ring, Drawn, 1-1/2" Deep with Twelve 1/2" KO's

• SKU: 53151-1/2
• Extension rings prevent the need to remove old conduit boxes and wiring from circuits when additional wiring is needed.
• This extension ring with conduit KO's can be added to junction boxes to increase wiring capacity and provide access for additional conduit runs and electrical wire.
• Carton Quantity: 50
• UPC Code Ea.: 840550703019
• UPC Code Carton: 840550709790
• Certification: UL Listed

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