Eaton Crouse-Hinds 3-Gang Steel Masonry Box, 66.5 Cubic Inch Capacity

Eaton Crouse-Hinds 3-Gang Steel Masonry Box, 66.5 Cubic Inch Capacity

Professional-Grade Masonry Installation Solution for Multi-Device Applications

The Eaton Crouse-Hinds 3-Gang Steel Masonry Box is a professional-grade electrical enclosure engineered for permanent masonry installations. This heavy-duty steel construction box delivers superior strength and reliability for commercial and residential multi-device electrical installations requiring robust protection and ample wiring space.

Key Features & Benefits

Superior Construction & Durability

• Heavy-Duty Steel Construction - Provides exceptional strength and impact resistance for permanent masonry installations
• Professional-Grade Manufacturing - Precision-formed steel ensures consistent dimensions and reliable performance
• Corrosion-Resistant Finish - Factory coating protects against moisture and environmental conditions
• Reinforced Design - Engineered to withstand the rigors of masonry installation and long-term service

Generous Capacity & Versatile Configuration

• 66.5 Cubic Inch Capacity - Ample space for multiple devices and wire connections per NEC fill requirements
• Three-Gang Configuration - Accommodates three standard electrical devices in a single enclosure
• Multiple Conduit Entries - Features (6) 1/2" and (6) 3/4" knockouts for flexible conduit routing
• Strategic Knockout Placement - Optimized entry positions for efficient conduit installation and wire management

Installation Efficiency

• Masonry-Specific Design - Engineered for permanent installation in concrete, block, and masonry walls
• Precise Dimensions - Consistent sizing ensures proper fit with standard electrical devices and covers
• Professional Knockout System - Clean removal for various conduit sizes without compromising box integrity

Technical Specifications

This three-gang masonry box measures 5.56 inches in length, 3.75 inches in width, and 3.75 inches in height, providing 66.5 cubic inches of internal capacity. The steel construction offers superior strength compared to plastic alternatives, while the comprehensive knockout configuration includes six 1/2-inch and six 3/4-inch conduit entries. The box weighs 1.55 pounds, reflecting its robust steel construction, and complies with NEC/CEC standards for ordinary/non-hazardous locations. The professional-grade finish ensures long-term performance in masonry installations.

Installation Process

1. Position the box in the masonry opening, ensuring proper alignment with surrounding surfaces
2. Secure the box using appropriate masonry anchors or concrete screws at mounting points
3. Remove required knockouts using a knockout punch or hammer and drift pin for clean openings
4. Install conduit connections using appropriate connectors for 1/2" or 3/4" trade sizes
5. Route conductors through conduit system, maintaining proper fill ratios per NEC requirements
6. Complete wire connections and install electrical devices, ensuring proper grounding continuity
7. Install appropriate cover plate to complete the installation

Applications

Perfect for:

• Commercial Buildings - Office complexes, retail spaces, and institutional facilities requiring multiple device installations
• Industrial Facilities - Manufacturing plants, warehouses, and processing facilities with masonry construction
• Educational Institutions - Schools, universities, and training facilities with concrete block construction
• Healthcare Facilities - Hospitals, clinics, and medical buildings requiring reliable electrical infrastructure
• Residential Construction - High-end homes and condominiums with masonry walls requiring multiple outlets or switches
• Municipal Buildings - Government facilities, fire stations, and public buildings with permanent masonry construction
• Parking Structures - Concrete parking garages requiring electrical device installations
• Basement Installations - Below-grade applications in concrete foundation walls

Masonry Box System Benefits

Masonry boxes provide superior protection and permanence compared to standard outlet boxes in concrete and block wall applications. The steel construction offers exceptional durability and impact resistance, while the flush-mount design creates a professional appearance. The generous internal capacity accommodates multiple devices and complex wiring configurations, making them ideal for commercial applications where multiple switches, outlets, or specialty devices must be grouped together.

Why Choose Steel Construction?

Steel masonry boxes deliver superior strength and longevity compared to plastic alternatives, especially in demanding commercial and industrial environments. The robust construction resists impact damage during installation and provides reliable protection for electrical connections throughout the building's service life. Eaton Crouse-Hinds steel boxes are trusted by electrical professionals for their consistent quality, precise dimensions, and reliable performance in permanent masonry installations.