Catalog Number 163-GI

Locknut, Grounding, Insulated, Zinc Die Cast, Size 1 Inch, 14-4 Lug

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$47.60 Per Box of 10
Problem Solver

This product was precisely manufactured for trouble-free installation.


This innovative product was created for solar energy applications.

Time Saver

This fitting was designed to make your job easier by saving you time.

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Bridgeport's new, patented, versatile insulated bonding & grounding locknuts are Listed for use with all of Bridgeport Fittings’ EMT and Rigid conduit connectors, as well as threaded Rigid/IMC conduit. Bridgeport’s bonding & grounding locknuts provide a secure insulated connection to the enclosure, and 3-tapped mounting pads allow for lug mounting options for tight spaces.

Bridgeport's insulated bonding & grounding locknuts are solving problems when connector or conduit thread lengths are taken up by thick metal or non-metallic enclosure walls. These can be used in place of grounding bushings and locknuts when connectors or conduit threads are too short to accommodate both. Perfect for tight, confined spaces inside or outside of equipment.

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  • Trade Size1"
  • Dimensions A1.90
  • Dimensions B0.970
  • Dimensions C0.640
Other Available Sizes
Product details
UPC Number
Primary Materials
Zinc Die Cast, Tin Plated Aluminum
Ball Burnished, Mirror Smooth
Trade Size
Unit Quantity
Standard Package Quantity
Certifications & Codes
Federal Specification Number
Nema Standard
UL Standard
Listed ETL Conforms to UL STD 514B Certified to CAN/CSA STD. C22.2 No. 18.3
Compliance Documents