Crouse-Hinds 4-11/16" Steel Sq...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$6.56
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Crouse-Hinds 4-11/16" Steel Square Extension Ring 29.5 Cubic Inch 1-1/2" Depth UL-Listed

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Model: TP550

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

$6.56
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Crouse-Hinds 4-11/16" Steel Square Extension Ring

Professional electrical box extension for increased wiring capacity

The Crouse-Hinds 4-11/16" Steel Square Extension Ring delivers reliable electrical box extension with 29.5 cubic inch capacity and 1-1/2" depth. Constructed from drawn steel with natural finish, this UL-Listed extension ring provides professional-grade performance for ordinary/non-hazardous locations with multiple knockout configurations for versatile conduit connections.

Professional Features & Benefits

  • 29.5 Cubic Inch Capacity: Provides ample space for wire connections and splices in electrical installations
  • 4-11/16" Square Design: Standard size ensures compatibility with existing electrical boxes and covers
  • 1-1/2" Depth: Offers substantial extension depth for accommodating additional wiring and devices
  • Drawn Steel Construction: Delivers superior strength and durability for long-lasting electrical installations
  • Multiple Knockout Options: Features (8) 1/2 in and (4) 3/4 in side knockouts for flexible conduit routing
  • UL-Listed Certification: Meets rigorous safety standards for reliable electrical system performance
  • Natural Steel Finish: Provides corrosion resistance and professional appearance

Technical Specifications

  • Area Classification: Ordinary/Non-Hazardous Locations
  • Box Size: 4-11/16"
  • Capacity: 29.5 cubic in
  • Construction: Drawn
  • Depth: 1-1/2"
  • Product Color: Natural
  • Product Height: 1.5 in
  • Product Length Depth: 4.69 in
  • Product Material: Steel
  • Product Weight: .66 lb
  • Product Width: 4.69 in
  • Side Knockouts: (8) 1/2 in, (4) 3/4 in
  • Standards Type: NEC/CEC

Installation & Operation

  1. Mount the extension ring in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Residential electrical installations requiring additional box depth
  • Commercial building electrical systems
  • Industrial facility wiring projects
  • Electrical panel and junction box extensions
  • Professional electrical contractor installations
  • Building renovation and upgrade projects

Why Choose Crouse-Hinds Quality?

Crouse-Hinds extension rings deliver proven reliability with UL-Listed certification and drawn steel construction. The natural finish and NEC/CEC compliance ensure professional-grade performance for demanding electrical applications, backed by the trusted quality that electrical professionals depend on.

Manufacturer Resources

Product Specs

Area Classification:
Ordinary/Non-Hazardous Locations
Box Size:
4-11/16"
Capacity:
29.5 cubic in
Construction:
Drawn
Product Color:
Natural
Product Height:
1.5 in
Product Length Depth:
4.69 in
Product Material:
Steel
Product Weight:
.66 lb
Product Width:
4.69 in
Side Knockouts:
(8) 1/2 in, (4) 3/4 in
Standards Type:
NEC/CEC
Product Depth:
1-1/2"
Department:
Eletrical

Crouse-Hinds TP550 – Frequently Asked Questions

How fast can I get the Crouse-Hinds TP550 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 TP550 come with a warranty?
Absolutely. The Crouse-Hinds TP550 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 TP550?
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 TP550 from ZenSupply?
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