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Expand your 4-inch octagon boxes with the 55151K Extension Ring. Offering 15 cu. in. capacity and 1-1/2" depth, it features 1/2" and 3/4" concentric knockouts and a raised ground screw for secure grounding. Ideal for professional electricians and contractors seeking reliable solutions.
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.
66 nail plate or protector plate used in electrical installations to protect wires or pipes that run through wood studsEvolt Electrical Supply, a 100% Canadian-owned electrical wholesaler. No tariffs, fast shipping across Canada!
