Four Inch Square Electrical Box With Cover, Rugged Galvanized Steel Junction Box, Deep Twenty One Cubic Inches, Ten Half Inch Knockouts And Six Three Quarter Inch Knockouts, Includes Cover, Ground Screw And Two Cover Screws

4-Inch Square Galvanized Electrical Box with Cover
✔️ 21 cu in deep, 10x 1/2 in & 6x 3/4 in knockouts, includes cover

This 4-inch square galvanized steel electrical box is designed to house splices and small devices in walls or ceilings, with multiple knockouts for flexible wiring options.

✅ 21 cu in internal capacity for wiring and devices
✅ 10x 1/2 in and 6x 3/4 in knockouts for wiring layouts
✅ 1-Pack includes cover, ground screw, and two cover screws for quick install
✅ Silvery white galvanized finish for durability

💡 What is a 4-inch square electrical box used for in residential wiring?

It serves as a sturdy enclosure for splices and devices in walls or ceilings.

• 21 cu in internal capacity supports multiple conductors
• Knockouts: 10x 1/2 in and 6x 3/4 in for wiring flexibility
• Includes cover, ground screw, and two cover screws

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