Heavy Duty 4x4 Inch Electrical Junction Boxes With Covers, 21 Cu In Capacity, One And A Half Inch Deep Steel Outlet Boxes, Bulk Pack Double Duplex Receptacle And Cover Plates, UL Listed For Home And Commercial Install

Heavy Duty 4x4 Inch Steel Junction Box with Dual Covers
✔️ 21 cu in capacity, 1-1/2 in depth, bulk pack galvanized steel

This heavy-duty steel junction box with a dual-duplex cover is designed for residential and commercial electrical installations. It provides a robust enclosure for outlets, switches, and wiring connections, suitable for indoor and outdoor use where corrosion resistance matters.

✅ 21 cu in capacity with 1-1/2 in depth
✅ 4-inch square dual duplex receptacle cover included
✅ 1/2-inch and 3/4-inch knockouts on sides and bottom
✅ Drawn galvanized steel construction, UL Listed for general use

💡 What is a heavy-duty steel junction box used for in typical electrical installs?

It provides a rugged enclosure for wiring and devices in both new construction and repair projects.

- rugged steel junction box for outlets, switches, and splices - corrosion-resistant galvanized enclosure for indoor/outdoor use - UL Listed general electrical application; 21 cu in capacity ✝️