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These 4-11/16" Square Steel Box Extensions are designed to increase the depth of existing 4-11/16" square electrical boxes in wall or ceiling installations. Manufactured from heavy-duty drawn galvanized steel, they provide a strong, fire-rated, and code-compliant solution when additional wiring space is required.
Integrated conduit knockouts allow easy alignment with conduit wiring systems, making these extensions ideal for commercial, industrial, and residential electrical projects.
