Bridgeport Fittings 3-1/2" Zin...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$55.90
$5.90
Image coming soon

Bridgeport Fittings 3-1/2" Zinc-Plated Steel Conduit Locknut with UL Listed Rating

(No reviews yet) Write a Review

Model: 109-S
Selected Model is

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

$55.90
$5.90
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks

Bridgeport Fittings 3-1/2" Zinc-Plated Steel Conduit Locknut with UL Listed Rating

Professional conduit fastening solution for secure electrical connections

Bridgeport Fittings delivers reliable conduit connection performance with this 3-1/2" zinc-plated steel conduit locknut, designed to securely fasten threaded Rigid or IMC conduit to boxes and enclosures. The zinc electro-plate finish and steel construction provide durability for long-term use in corrosive environments, while UL-514B listing ensures compliance with professional electrical standards.

Professional Features & Benefits

  • 3-1/2" Trade Size: Accommodates large conduit installations for high-capacity electrical systems and industrial applications.
  • Zinc Electro-Plate Finish: Provides corrosion resistance for extended service life in challenging environmental conditions.
  • Steel Construction: Delivers robust mechanical strength and reliable fastening performance under demanding installation conditions.
  • UL-514B Listed: Meets rigorous safety and performance standards for professional electrical installations and code compliance.
  • Dual Installation Options: Allows secure fastening from both inside or outside the box or enclosure for installation flexibility.
  • NEMA FB-1 Rating: Ensures appropriate environmental protection and performance characteristics for specified applications.

Technical Specifications

  • Bpt Trade Size: 3-1/2"
  • Collection Folder: 109-S
  • Country Of Origin: India
  • Division: Electrical H1
  • Field Application: Used to fasten threaded Rigid or IMC Conduit to box or enclosure.
  • Inside Or Outside The Box: Operators can securely fasten the conduit from both inside or outside the box or enclosure
  • Nema Rating: FB-1
  • Npd Date Electrical: 2008-07-01T00:00:00.000Z
  • Product Finish: Zinc Electro-Plate
  • Product Length: 4.625 in
  • Product Material: Steel
  • Product Weight: 20.9 lbs
  • Product Width: 0.1875 in
  • Secure Connection: The steel conduit locknut fastens the connection from the conduit to the enclosure
  • Sub Division: Electrical-E H2
  • Zinc Plated Steel Body: The steel body is zinc plated for long-term use in corrosive environments

Installation & Operation

  1. Mount the unit 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

  • Industrial Electrical Systems
  • Commercial Building Infrastructure
  • Heavy-Duty Conduit Installations
  • Manufacturing Facilities
  • Utility and Power Distribution
  • Large-Scale Electrical Projects

Why Choose Bridgeport Fittings Quality?

Bridgeport Fittings provides dependable electrical connection solutions with UL-514B listing and NEMA FB-1 rating for professional compliance. The zinc electro-plate finish and steel construction ensure reliable performance and corrosion resistance for long-term durability in demanding electrical applications.

Manufacturer Resources

Product Specs

Bpt Trade Size:
3-1/2"
Collection Folder:
109-S
Country Of Origin:
India
Division:
Electrical H1
Field Application:
Used to fasten threaded Rigid or IMC Conduit to box or enclosure.
Inside Or Outside The Box:
Operators can securely fasten the conduit from both inside or outside the box or enclosure
Nema Rating:
FB-1
Npd Date Electrical:
2008-07-01T00:00:00.000Z
Product Finish:
Zinc Electro-Plate
Product Length:
4.625 in
Product Material:
Steel
Product Weight:
20.9 lbs
Product Width:
0.1875 in
Secure Connection:
The steel conduit locknut fastens the connection from the conduit to the enclosure
Sub Division:
Electrical-E H2
Zinc Plated Steel Body:
The steel body is zinc plated for long-term use in corrosive environments

Bridgeport Fittings 109-S – Frequently Asked Questions

How fast can I get the Bridgeport Fittings 109-S 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 Bridgeport Fittings 109-S come with a warranty?
Absolutely. The Bridgeport Fittings 109-S 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 Bridgeport Fittings 109-S?
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 Bridgeport Fittings 109-S from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.