Eaton Crouse-Hinds 4" Octagon Box and Adjustable Bar Set
Professional-Grade Fixture Mounting Solution with Integrated NM Cable Management
The Eaton Crouse-Hinds 4" Octagon Box and Adjustable Bar Set is a complete fixture-rated mounting system engineered for professional ceiling fan and lighting installations. This steel construction assembly delivers secure fixture support with integrated NM cable management for residential and light commercial electrical projects.
Key Features & Benefits
Complete Mounting System
- Fixture-Rated Design - Engineered to safely support ceiling fans and heavy lighting fixtures per NEC requirements
- 16" Adjustable Bar - Accommodates standard 16" on-center joist spacing with precise positioning capability
- 4" Octagon Box Integration - Purpose-built for use with 4" octagon electrical boxes for optimal compatibility
- 15.5 Cubic Inch Capacity - Generous wire capacity for multiple circuit connections and fixture wiring
Professional Installation Features
- Integrated NM Clamps - Built-in 1-1/2" cable clamps secure non-metallic cable without additional hardware
- Steel Construction - Durable steel materials provide long-term structural integrity and corrosion resistance
- Adjustable Positioning - Bar adjusts to accommodate varying joist spacing and installation requirements
- Code Compliant Design - Meets NEC/CEC requirements for fixture support and electrical connections
Technical Specifications
This fixture mounting system features a 4" octagon box configuration with 15.5 cubic inches of wire capacity, constructed from durable steel materials. The adjustable bar extends to 16" for standard joist spacing, while integrated 1-1/2" NM cable clamps provide secure non-metallic cable management. The assembly measures 4" wide by 1.5" high by 16" long and weighs 1.02 pounds. The system is fixture-rated for ceiling fan and heavy lighting applications, complying with NEC/CEC standards for structural support and electrical safety.
Installation Process
- Position adjustable bar between ceiling joists at desired fixture location
- Adjust bar length to achieve secure fit against joist faces
- Secure bar to joists using appropriate fasteners for joist material
- Route NM cable through integrated 1-1/2" cable clamps
- Make electrical connections within the 4" octagon box
- Install fixture mounting hardware and connect fixture per manufacturer instructions
Applications
Perfect for:
- Residential Ceiling Fans - New construction and retrofit ceiling fan installations
- Heavy Lighting Fixtures - Chandeliers, pendant lights, and substantial ceiling-mounted luminaires
- Remodel Projects - Adding fixture support in existing construction without ceiling access
- Light Commercial Applications - Office buildings, retail spaces, and small commercial facilities
- Multi-Family Housing - Apartment complexes, condominiums, and townhome developments
- Educational Facilities - Classrooms, libraries, and administrative areas requiring fixture mounting
- Healthcare Facilities - Patient rooms, waiting areas, and administrative spaces
- Hospitality Projects - Hotels, restaurants, and entertainment venues
Octagon Box System Benefits
Octagon electrical boxes provide superior fixture mounting capabilities compared to standard rectangular boxes, offering multiple mounting points and enhanced structural support. The octagonal shape distributes fixture weight more evenly, reducing stress concentrations that can lead to box failure. This design is particularly important for ceiling fan installations where dynamic loads and vibration require robust mounting systems.
Why Choose Integrated NM Cable Management?
The built-in 1-1/2" NM cable clamps eliminate the need for separate cable connectors, reducing installation time and ensuring code-compliant cable securing. This integrated approach provides cleaner installations with fewer components while maintaining the cable strain relief required by electrical codes. The steel construction ensures long-term reliability in demanding fixture support applications where Eaton Crouse-Hinds quality makes the difference.
Manufacturer Resources
Product Specs
- Area Classification:
- Ordinary/Non-Hazardous Locations
- Box Size:
- 4"
- Material:
- Steel
- Product Height:
- 1.5 in
- Product Length Depth:
- 16 in
- Product Weight:
- 1.02 lb
- Product Width:
- 4 in
- Standards Type:
- NEC/CEC
- Product Type:
- Strut Pipe Clamps Accessories
- Product Group:
- Electrical Fitting
- Department:
- Electrical
- Product Subgroup:
- Strut Pipe Clamps Accessories