Discover Raco 4‑11/16 in. Square Heavy‑Duty Electrical Box, a robust enclosure built for demanding industrial wiring projects. Crafted from welded steel, this square‑shaped box measures 2‑1/8 in deep and offers a generous 42 cu in interior volume, ideal for larger conductors and complex device assemblies. Its precision‑engineered design ensures a tidy, secure conduit for power distribution.
Why it matters: This enclosure protects critical wiring from damage while simplifying installation, helping electricians meet code requirements faster and with confidence. The raised grounding point guarantees a reliable earth connection, reducing the risk of electrical faults.
Key Features & Benefits:
- TKO knockouts: Fifteen flexible TKO openings and a ½‑in. knockout enable quick customization for conduit entry, boosting installation speed.
- Welded steel construction: Provides superior durability and impact resistance for harsh industrial environments.
- Combination screw head: Streamlines mounting by allowing one‑handed fastening, cutting labor time.
- Raised ground tab: Ensures a solid grounding path, enhancing system safety and compliance.
- cULus listed: Meets North American safety standards, giving peace of mind for residential and commercial use.
Bottom line: Choose this Raco square electrical box for its ample capacity, rugged build, and code‑approved features. It delivers the reliability and flexibility needed for complex wiring layouts, making it a go‑to solution for electricians seeking performance and efficiency.








