Heavy Duty 4 Inch Square Electrical Box Set 12 Pack Galvanized Metal With 21 Cubic Inch Capacity And Knockouts For Half Inch And Three Quarter Inch Wiring Perfect For Junction Box Projects And DIY Electrical Installations
✔️ 21 cu in capacity, 12 boxes, galvanized metal, 1/2 & 3/4 in knockouts
This 4-inch square electrical box is a galvanized metal enclosure designed for wiring connections, outlets, or switches in interior walls and ceilings. It's well suited for residential and light commercial junctions and multi-location projects.
✅ 21.0 cubic inches capacity for wires, sockets, or switches
✅ Galvanized metal for corrosion resistance and long-lasting durability
✅ Ten 1/2 inch and six 3/4 inch knockouts for flexible wiring configurations
✅ 4-inch square, 2-gang trade size fits standard installations
✅ Silver color blends with most interiors
💡 What is a 4 inch square galvanized electrical box used for in junction box installations? This handy box provides a safe housing for wiring and devices in walls or ceilings. - housing for wire connections and devices in walls or ceilings - knockouts for 1/2 in and 3/4 in wiring - 21 cu in capacity for multiple conductors - 12-box pack option for bulk projects
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