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The ABB INSTALLATION PRODUCTS 531511234UB is a durable square box extension ring made of steel. It is designed for built-in installation box applications. The product measures four inches by four inches and has a depth of one and a half inches. The extension ring offers a capacity of twenty-one cubic inches and includes twelve knockouts for electrical wiring.
This box extension ring is suitable for various electrical installations, allowing for added depth and connectivity for electrical devices.
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