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The ABB INSTALLATION PRODUCTS 251511/2 is an octagon box extension ring designed for electrical installations. This steel extension ring is pre-galvanized for durability. Its diameter is three and one-half inches with a depth of one and one-half inches. This unit accommodates one outlet and features four knockouts measuring one-half inch each, allowing for easy wiring and installation. It extends the cubic capacity of an electrical box, making it suitable for various applications.
Ideal for increasing capacity in electrical installations.
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