Bridgeport Fittings 4" Insulat...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$139.96
$89.96
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Bridgeport Fittings 4" Insulated Grounding Bushing with Lug - Zinc Die Cast FB-1 Rated

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Model: 390-DC40
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$139.96
$89.96
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Bridgeport Fittings 4" Insulated Grounding Bushing with Lug - Zinc Die Cast FB-1 Rated

Professional Service Conduit Termination & Grounding Solution

Bridgeport Fittings delivers professional-grade electrical connectivity with this 4" insulated grounding bushing, engineered from durable zinc die cast construction with integrated tin-plated aluminum alloy grounding lug. This FB-1 rated bushing provides reliable service conduit termination to cabinets with secure bonding capabilities, featuring grey finish with black insulator and temperature rating to 150�C for demanding industrial environments.

Professional Features & Benefits

  • 4" Trade Size: Accommodates large service conduit installations with precise dimensional compatibility for professional electrical systems.
  • Zinc Die Cast Construction: Delivers exceptional durability and corrosion resistance with ball burnished, mirror smooth finish for long-term performance.
  • Integrated Grounding Lug: Tin-plated aluminum alloy 6061-T6 lug provides maximum precipitation hardening and secure bonding jumper connections.
  • FB-1 NEMA Rating: Meets stringent electrical enclosure standards for reliable performance in industrial applications.
  • 150�C Temperature Rating: Engineered for high-temperature industrial environments with consistent performance under thermal stress.
  • UL-514B & UL467 Certified: OSHA-recognized, NRTL-certified electrical standards ensure code compliance and safety.
  • Professional Finish: Grey with black insulator design provides clean appearance with functional insulation properties.

Technical Specifications

  • Bpt Trade Size: 4"
  • Collection Folder: 390-DC40
  • Country Of Origin: China
  • Division: Electrical H1
  • Eco Friendly: The byproducts of zinc casting can be melted down and recast to make new metals without property de
  • Field Application: Used with locknut to terminate service conduit to cabinet. Lug provided for bonding jumper to neutr
  • Grounded Insulated: The tin-plated aluminum alloy 6061-T6 grounding lug provides maximum precipitation hardening and th
  • Heat Rating: The bushing is temperature rated to 150�C for use in industrial environments
  • Nema Rating: FB-1
  • Npd Date Electrical: 2008-07-07T00:00:00.000Z
  • Product Color: Grey with Black Insulator
  • Product Finish: Ball burnished, mirror smooth, Grounding lug: Tin electro-plate
  • Product Length: 4.8125 in
  • Product Material: Zinc Die Cast
  • Product Weight: 74 lbs
  • Product Width: 3.875 in
  • Professional Performance: All Bridgeport fittings meet OSHA-recognized, NRTL-certified electrical standards and meets the str
  • Sub Division: Electrical-E H2

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 Service Entrance Installations
  • Commercial Electrical Panel Connections
  • Heavy-Duty Conduit Terminations
  • Manufacturing Facility Electrical Systems
  • High-Temperature Industrial Environments
  • Professional Electrical Contractor Projects

Why Choose Bridgeport Fittings Quality?

Bridgeport Fittings delivers proven reliability with UL-514B & UL467 certifications and OSHA-recognized electrical standards compliance. The zinc die cast construction with eco-friendly recyclable materials and professional ball burnished finish ensures long-term durability and performance in demanding industrial applications.

Manufacturer Resources

Product Specs

Bpt Trade Size:
4"
Collection Folder:
390-DC40
Country Of Origin:
China
Division:
Electrical H1
Eco Friendly:
The byproducts of zinc casting can be melted down and recast to make new metals without property de
Field Application:
Used with locknut to terminate service conduit to cabinet. Lug provided for bonding jumper to neutr
Grounded Insulated:
The tin-plated aluminum alloy 6061-T6 grounding lug provides maximum precipitation hardening and th
Heat Rating:
The bushing is temperature rated to 150°C for use in industrial environments
Nema Rating:
FB-1
Npd Date Electrical:
2008-07-07T00:00:00.000Z
Product Color:
Grey with Black Insulator
Product Finish:
Ball burnished, mirror smooth, Grounding lug: Tin electro-plate
Product Length:
4.8125 in
Product Material:
Zinc Die Cast
Product Weight:
74 lbs
Product Width:
3.875 in
Professional Performance:
All Bridgeport fittings meet OSHA-recognized, NRTL-certified electrical standards and meets the str
Sub Division:
Electrical-E H2

Bridgeport Fittings 390-DC40 – Frequently Asked Questions

How fast can I get the Bridgeport Fittings 390-DC40 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 390-DC40 come with a warranty?
Absolutely. The Bridgeport Fittings 390-DC40 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 390-DC40?
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 390-DC40 from ZenSupply?
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