Octagonal Electrical Box Extension Ring

The octagonal electrical box extension ring is used directly with the octagonal conduit box in order to increase the junction box depth to accommodate more wires.

The extension ring is made of a strong and durable galvanized steel, ensuring it is wear and corrosion resistance, and applicable to both indoor and outdoor use.

In addition to the products listed on this page, we also provide custom services for electrical conduits and fittings. Customers can choose different materials, such as steel, aluminum, zing, cold die cast, or hot die cast processes for their products. You can also choose different production standards and metal surface treatment methods according to your needs. If you want to buy stock products, or have custom conduit fitting needs, just let us know and we will quickly provide you with high-quality products.