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

Eaton Crouse-Hinds 4" Steel Octagon Outlet Box, 21.5 Cu In, Fixture Rated

Professional-Grade Steel Construction for Reliable Fixture Mounting

The Eaton Crouse-Hinds 4" Steel Octagon Outlet Box is a heavy-duty electrical enclosure engineered for secure fixture mounting and conduit connections in commercial and industrial installations. This steel octagon box delivers exceptional strength and 21.5 cubic inch capacity for electrical professionals requiring reliable, code-compliant wiring solutions.

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 fans, heavy light fixtures, and electrical equipment safely
• Corrosion-resistant finish - Steel construction with protective coating ensures decades of service life
• Professional-grade thickness - Robust wall construction prevents deformation during installation and use

Versatile Conduit Connectivity

• Multiple conduit openings - Features (3) 1/2" and (2) 3/4" knockouts for flexible wiring configurations
• 4" fixture mounting holes - Standard spacing accommodates wide range of electrical fixtures and devices
• Generous 21.5 cubic inch capacity - Ample wire fill space meets NEC requirements for complex wiring applications
• 2-1/8" depth - Optimal depth provides sufficient wire bending space while minimizing wall intrusion

Code Compliance & Safety

• NEC/CEC compliant design - Meets all electrical code requirements for safe installation practices
• Ordinary location rated - Suitable for standard commercial and residential electrical applications
• Proper grounding continuity - Steel construction ensures reliable equipment grounding path
• UL Listed construction - Third-party tested and certified for electrical safety standards

Technical Specifications

This octagon outlet box measures 4" x 4" with a 2-1/8" depth, providing 21.5 cubic inches of wire fill capacity. The steel construction features (3) 1/2" conduit knockouts and (2) 3/4" conduit knockouts for versatile wiring configurations. At 0.64 pounds, the box offers substantial strength while remaining manageable for installation. The fixture-rated design supports heavy electrical devices, and the steel material ensures reliable grounding continuity. NEC/CEC compliant construction makes this box suitable for ordinary/non-hazardous locations in commercial and industrial applications.

Installation Process

1. Select appropriate mounting location ensuring adequate clearance for fixture attachment
2. Secure box to structural support using appropriate fasteners for ceiling or wall mounting
3. Remove required conduit knockouts using knockout punch or standard electrical tools
4. Install conduit connectors and route electrical conduits to box openings
5. Pull conductors through conduits, maintaining proper wire fill ratios per NEC requirements
6. Make electrical connections using approved wire nuts or terminal blocks within box capacity
7. Install fixture or device using standard 4" mounting holes with appropriate hardware
8. Verify all connections are secure and grounding continuity is maintained throughout system

Applications

Perfect for:

• Commercial Lighting Systems - Office buildings, retail spaces, warehouses requiring reliable fixture mounting
• Industrial Electrical Installations - Manufacturing facilities, processing plants with heavy-duty electrical requirements
• Ceiling Fan Installations - Residential and commercial applications requiring fixture-rated support capacity
• Junction Box Applications - Wire splicing and distribution points in complex electrical systems
• Equipment Connections - Motor control centers, electrical panels, and distribution equipment interfaces
• Institutional Buildings - Schools, hospitals, government facilities with stringent electrical code requirements
• Retrofit Projects - Electrical system upgrades and modernization in existing buildings
• Multi-conduit Runs - Applications requiring multiple conduit connections from different directions

Steel Octagon Box System Benefits

Steel octagon boxes provide superior strength and durability compared to plastic alternatives, making them essential for fixture-rated applications. The octagonal shape distributes mounting stress more effectively than square boxes, while the steel construction ensures reliable grounding continuity and long-term structural integrity. Multiple conduit knockouts allow flexible wiring configurations, and the generous cubic inch capacity accommodates complex wiring requirements while maintaining NEC compliance.

Why Choose Fixture-Rated Construction?

Eaton Crouse-Hinds fixture-rated octagon boxes are specifically engineered to support the weight and stress of ceiling fans, heavy light fixtures, and electrical equipment. The robust steel construction and reinforced mounting points provide the structural integrity required for safe fixture installation, while the professional-grade materials ensure decades of reliable service. This combination of strength, capacity, and code compliance makes it the preferred choice for electrical contractors and facility managers who demand long-term reliability.