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The ABB INSTALLATION PRODUCTS 531711234 is a square extension ring designed for built-in installation boxes. Made from pre-galvanized steel, this ring has a capacity of thirty point three cubic inches. It includes a combination of half inch and three quarter inch knockouts for cable entry. This ring measures four inches in length and width and has a depth of two and one-eighth inches. It is intended for extending the depth of a four-inch square electrical box.
This extension ring is reliable for creating space in built-in electrical installation.
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