The 55171K Octagon Deep Electrical Extension Ring is a robust solution for expanding the capacity of standard 4-inch octagon electrical boxes. With a depth of 2-1/8 inches and a volume of 21 cubic inches, it accommodates additional wiring needs efficiently. Constructed from durable steel, this extension ring features concentric knockouts of 1/2 inch and 3/4 inch, providing flexibility for various conduit sizes. The inclusion of a raised ground screw ensures secure grounding, enhancing safety and compliance with Canadian electrical codes.
Ideal for professional electricians and contractors, this extension ring simplifies the process of increasing box capacity without the need to replace existing boxes. Its design facilitates quick installation, making it suitable for both new constructions and retrofit projects. By choosing this extension ring, professionals can ensure their electrical installations are both reliable and compliant with industry standards.
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Expand your 4-inch octagon electrical boxes with the 55171K Deep Extension Ring. Measuring 2-1/8 inches deep with a 21 cu. in. capacity, it features 1/2" and 3/4" concentric knockouts and a raised ground screw for secure grounding. Ideal for professional electricians and contractors.