Eaton Crouse-Hinds 4" Octagon ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$55.26
$4.57

Eaton Crouse-Hinds 4" Octagon Outlet Box, S Style, Welded Steel, 1-1/2" Deep, 15.5 Cu In, Fixture Rated, with NM Clamps

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Model: TP304
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$55.26
$4.57
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Eaton Crouse-Hinds 4" Octagon Outlet Box, Steel Construction

Professional-Grade Steel Outlet Box for Fixture and Device Mounting

The Eaton Crouse-Hinds 4" Octagon Outlet Box is a fixture-rated steel electrical box engineered for commercial and residential electrical installations. This durable steel outlet box delivers reliable performance with 15.5 cubic inches of capacity for electrical contractors and professionals requiring code-compliant wiring solutions.

Key Features & Benefits

Superior Steel Construction

  • Heavy-duty steel construction - Provides exceptional durability and long-term reliability in demanding electrical applications
  • Fixture-rated design - Engineered to support ceiling fixtures, fans, and heavy electrical devices safely
  • Corrosion-resistant finish - Steel construction with protective coating ensures decades of service life
  • Professional-grade materials - Trusted by electrical contractors for over 100 years of proven performance

Optimal Capacity & Configuration

  • 15.5 cubic inch capacity - Generous interior space accommodates multiple wire connections and splices per NEC requirements
  • 4-inch octagon design - Standard size fits most ceiling fixture applications and provides excellent wire management
  • 1-1/2 inch depth - Optimal depth for flush mounting in standard ceiling construction
  • Multiple knockout options - Pre-configured with 1/2" knockouts for flexible conduit and cable connections

Installation Efficiency

  • NM cable clamps included - Built-in cable management reduces installation time and ensures secure connections
  • Standard mounting holes - Compatible with all standard electrical box mounting hardware and brackets
  • Easy knockout removal - Clean knockout removal without sharp edges for safe wire pulling

Technical Specifications

This octagon outlet box features a 4-inch diameter with 1-1/2 inch depth, providing 15.5 cubic inches of interior capacity. Constructed from heavy-duty steel with fixture rating for ceiling-mounted applications. Includes integrated NM cable clamps and multiple 1/2" knockout options. Complies with NEC/CEC standards for ordinary/non-hazardous locations. Weighs 0.64 pounds with dimensions of 4" x 4" x 1.5" for standard electrical box applications.

Installation Process

  1. Select appropriate mounting location ensuring adequate clearance for fixture installation
  2. Secure box to ceiling joists or approved mounting bracket using standard electrical box screws
  3. Remove required knockouts using knockout punch or screwdriver, ensuring clean edges
  4. Route NM cable or conduit through appropriate openings and secure with included clamps
  5. Make all wire connections inside box, ensuring adequate space per NEC fill calculations
  6. Install fixture or device using standard mounting screws into box threads

Applications

Perfect for:

  • Ceiling Fixtures - Chandeliers, pendant lights, recessed fixture junction boxes
  • Ceiling Fans - Residential and commercial ceiling fan installations requiring fixture rating
  • Commercial Lighting - Office buildings, retail spaces, warehouse lighting systems
  • Junction Boxes - Wire splicing and distribution in ceiling and wall applications
  • Device Mounting - Smoke detectors, security devices, and electrical sensors
  • Residential Construction - New construction and renovation projects requiring code compliance
  • Industrial Applications - Manufacturing facilities, processing plants, and heavy-duty installations
  • Municipal Projects - Schools, government buildings, and public facility electrical systems

Octagon Box System Benefits

Octagon outlet boxes provide superior mounting stability compared to round boxes, with eight mounting points distributing load evenly across the installation surface. The octagon shape offers optimal wire bend radius compliance while maximizing interior capacity. This design reduces stress on wire connections and provides better access for electrical work, making octagon boxes the preferred choice for fixture-rated applications where safety and reliability are paramount.

Why Choose Steel Construction?

Steel electrical boxes offer unmatched durability and fire resistance compared to plastic alternatives. The steel construction provides excellent grounding continuity, superior impact resistance, and maintains structural integrity under extreme temperature variations. For fixture-rated applications, steel construction ensures the box can safely support heavy ceiling fixtures and fans without deformation or failure, making it the professional contractor's choice for long-term reliability and code compliance.

Manufacturer Resources

Product Specs

Area Classification:
Ordinary/Non-Hazardous Locations
Box Size:
4"
Product Height:
1.5 in
Product Length Depth:
4 in
Product Weight:
.64 lb
Product Width:
4 in
Standards Type:
NEC/CEC
Product Type:
Outlet Boxes
Product Group:
Electrical Boxes
Department:
Electrical
Product Subgroup:
Outlet Boxes
Product Material:
Steel

Crouse-Hinds TP304 – Frequently Asked Questions

How fast can I get the Crouse-Hinds TP304 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Crouse-Hinds TP304 come with a warranty?
Absolutely. The Crouse-Hinds TP304 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Crouse-Hinds TP304?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Crouse-Hinds TP304 from ZenSupply?
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