Eaton Crouse-Hinds 4" Steel Octagon Outlet Box, 2-1/8" Deep, 21.5 Cu In, Fixture Rated, with 3/4" Conduit Knockouts

Eaton Crouse-Hinds 4" Steel Octagon Outlet Box

Professional-Grade Steel Construction with 21.5 Cubic Inch Capacity

The Eaton Crouse-Hinds 4" Steel Octagon Outlet Box is a fixture-rated electrical box engineered for commercial and residential lighting installations. This heavy-duty steel octagon box delivers superior strength and 21.5 cubic inches of wire capacity for professional electrical contractors working in ordinary locations.

Key Features & Benefits

Superior Steel Construction

• Heavy-duty steel material - Provides exceptional durability and impact resistance for long-term reliability
• Fixture-rated design - Engineered to support ceiling fixtures and lighting assemblies safely
• Professional-grade finish - Corrosion-resistant coating ensures decades of dependable service
• Precision manufacturing - Consistent dimensions and quality backed by Crouse-Hinds' 100+ year heritage

Versatile Conduit Configuration

• Multiple conduit openings - (3) 1/2" and (2) 3/4" knockouts provide flexible installation options
• 4" box size - Standard octagon dimensions fit seamlessly with existing electrical systems
• No clamp design - Allows contractors to select appropriate conduit connectors for specific applications
• Strategic knockout placement - Optimized positioning reduces installation time and improves wire management

Enhanced Wire Capacity

• 21.5 cubic inch capacity - Generous interior space accommodates multiple circuits and wire connections
• 2-1/8" depth - Provides adequate room for wire nuts, splices, and fixture mounting hardware
• (4) 3/4" mounting holes - Standard spacing ensures compatibility with ceiling fixtures and covers
• NEC/CEC compliant design - Meets code requirements for wire fill calculations and installation practices

Technical Specifications

This octagon outlet box features a 4" x 4" footprint with 2-1/8" depth, constructed from heavy-duty steel with corrosion-resistant finish. The box includes (3) 1/2" and (2) 3/4" conduit knockouts without clamps, allowing flexible conduit connector selection. Interior capacity of 21.5 cubic inches provides ample space for wire connections while maintaining NEC/CEC compliance. Four 3/4" mounting holes accommodate standard fixture mounting screws. Designed for ordinary/non-hazardous locations with fixture rating for ceiling-mounted lighting applications.

Installation Process

1. Select appropriate mounting location ensuring adequate structural support for fixture load
2. Remove required knockouts using knockout punch or hammer and drift pin
3. Install conduit connectors appropriate for conduit type and environmental conditions
4. Secure box to structural member using appropriate fasteners for mounting surface
5. Install conduit runs and pull wires according to NEC/CEC requirements
6. Complete wire connections using appropriate wire nuts and verify all connections are secure
7. Install fixture or cover plate using four 3/4" mounting holes

Applications

Perfect for:

• Commercial Lighting - Office buildings, retail spaces, and institutional facilities
• Residential Installations - Ceiling fixtures, chandeliers, and pendant lighting
• Industrial Applications - Warehouse lighting, manufacturing facility illumination
• Junction Box Applications - Wire splicing and circuit distribution points
• Ceiling Fan Mounting - Provides secure mounting point for ceiling fans when properly supported
• Emergency Lighting - Exit signs, emergency fixtures, and backup lighting systems
• Outdoor Covered Areas - Covered walkways, canopies, and protected exterior locations
• Renovation Projects - Retrofit installations and electrical system upgrades

Octagon Box System Benefits

Octagon outlet boxes provide superior versatility compared to standard rectangular boxes, offering multiple conduit entry points and enhanced wire capacity. The octagonal shape distributes stress more evenly when supporting fixtures, while the increased interior volume accommodates complex wiring configurations. This design reduces the need for additional junction boxes and simplifies installation in applications requiring multiple circuit connections.

Why Choose Steel Construction?

Steel octagon boxes deliver unmatched durability and fire resistance compared to plastic alternatives. The heavy-duty steel construction provides superior impact resistance during installation and long-term service, while the fixture rating ensures safe support of ceiling-mounted equipment. Eaton Crouse-Hinds steel boxes maintain dimensional stability over decades of service, ensuring reliable connections and professional installations that electrical contractors can trust.