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These 4" adjustable octagon steel electrical boxes are designed for secure ceiling and lighting fixture installations. Built from durable drawn galvanized steel, these boxes provide strength, corrosion resistance, and long-lasting performance in residential and commercial applications.
Each box includes an adjustable hanger bar (14-1/4" to 22-1/2"), allowing easy installation between ceiling joists. The 1-1/2" deep design with 15.5 cubic inch capacity provides sufficient space for wiring connections.
Available configurations include conduit knockouts, AC/MC clamps, and NMSC clamps to match different wiring requirements. Select models include a raised ground with grounding screw.


