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Sink an electrical outlet into the floor with a floor box from Grainger. Enable electricity access anywhere in the building, not just walls and ceilings. Floor boxes are handy, whether it’s for plugging in lamps next to furniture in the middle of a room or powering up AV equipment in the middle of a classroom or conference center. Find floor boxes here in a wide range of sizes, shapes, including fire-rated poke-through systems. Shop Grainger today and find the floor box that fits your electrical project.