Southwire 1-1/2 in. x 4 in. Octagonal Extension Ring

The Southwire 1-1/2 in. x 4 in. Octagonal Extension Ring provides additional wiring capacity and convenience when extending octagonal electrical boxes. Built with combination knockouts, this extension ring allows versatile conduit entry and flexible wiring configurations for residential, commercial, or industrial applications. Constructed from durable galvanized steel with a corrosion-resistant finish, this extension ring features combo-head mounting screws for secure fixture and cover attachment. It delivers reliable performance and meets stringent safety standards for demanding electrical installations.