AMERICAN FITTINGS GB250BGL Ground Bushing With Lug Instructions
- June 13, 2024
- AMERICAN FITTINGS
Table of Contents
AMERICAN FITTINGS GB250BGL Ground Bushing With Lug
Product Information
- Product Series: GB Grounding Bushings Threaded 1/2 to 4 Trade Sizes
- Material: Solid Alloy Steel Construction (AL Option)
- Zinc Plated with Chromate Finish (Galvanizing Option)
- Made in the USA
- Twice the Strength, Durability, and Suitability of Cast or Malleable Iron
- Fully Precision Machined Surface with Cut Machined Threads
- Will Not Flatten or Cross Smooth Burrless Surface for Fast & Safe Wire Pulls
- Set Screw for Bonding to Conduit
- Alloy Steel Zinc Plated with Chromate Finish (Galvanized Option)
- UL Listed, AL Lay-In Grounding Lug
- Wire Capacity Range #14 to 250mcm
- Lug Options: Available in Copper or Tin Plated Copper
- Industrial SPEC-grade
- Set Screws & Attachment Screw Machined Zinc Plated Steel Screws
- Option: T304- Stainless Steel Screws
Product Usage Instructions
- For Use On Threaded Rigid/IMC Conduit to Provide a Means of Grounding Threaded Conduit Through an Insulated Bushing.
- EZ Wiring 3 Thr’d Machined Holes to Accommodate Lug Orientation.
- Low Surface Friction – Wires Can Be Pulled Fast With Virtually No Abrasion On Cable Insulation.
- Steel Set Screws in Machined Threaded Holes.
- Vibration Resistant.
- Move Lug to Avoid Interference and Speed Wiring.
- Wire Tightening Engagement Screw.
- Set Screws for Bonding to Conduit.
- Attachment Screw for Mounting the Lug to the Bushing – Move and Reposition to Accommodate EZ Wiring of the Lug.
For dimensions and full specifications, refer to the Product Data Cut Sheet available on amftgs.com or contact customer support at 800.221.5268.
Ground Bushings Steel Thr’d w/Lug
Size Range: 1/2” – 4”
- Product Series: GB Grounding Bushings Threaded
- Furnished with Factory Installed AL Lay In Grounding Lug*
- Material: Solid Alloy Steel Construction
- Zinc Plated with Chromate Finish**
- Made in the USA Solid Steel Construction with Factory Installed Insulator
- Precision Fully Machined Body with Cut Threads
- Flat Hex Surface for Full Torque Values 105ºC Rated, UV Stabilized Insulator Throat Bushing
Product Overview
Twice the Strength and Durability of Die Cast & Malleable Iron
Industrial SPEC-grade For Use On Threaded Rigid/IMC Conduit to Provide a Means of Grounding Threaded Conduit Through an Insulated Bushing.
| Cat # (1) | Trade Size | Ø A | B | C | D | Lug Wire Range | Wt. Per/C |
|---|---|---|---|---|---|---|---|
| Min Solid | Max Strand | ||||||
| GB50BGL | 1/2″ | 1-1/16″ | 5/8″ | 3/4″ | 1-5/16″ | #14 | #4 |
| GB75BGL | 3/4″ | 1-1/4″ | 5/8″ | 3/4″ | 1-3/8″ | #14 | #4 |
| GB75BGL-0 | 3/4″ | 1-1/4″ | 5/8″ | 1-1/8″ | 1-11/16″ | #8 | #1/0 |
| GB100BGL | 1″ | 1-1/2″ | 3/4″ | 3/4″ | 1-1/2″ | #14 | #4 |
| GB100BGL-0 | 1″ | 1-1/2″ | 3/4″ | 1-1/8″ | 1-7/8″ | #8 | #1/0 |
| GB125BGL | 1-1/4″ | 1-7/8″ | 3/4″ | 3/4″ | 1-11/16″ | #14 | #4 |
| GB125BGL-0 | 1-1/4″ | 1-7/8″ | 3/4″ | 1-1/8″ | 2-1/16″ | #8 | #1/0 |
| GB150BGL | 1-1/2″ | 2-1/16″ | 3/4″ | 3/4″ | 1-13/16″ | #14 | #4 |
| GB150BGL-0 | 1-1/2″ | 2-1/16″ | 3/4″ | 1-1/8″ | 2-1/8″ | #8 | #1/0 |
| GB200BGL | 2″ | 2-11/16″ | 3/4″ | 3/4″ | 2-1/6″ | #14 | #4 |
| GB200BGL-0 | 2″ | 2-11/16″ | 3/4″ | 1-1/8″ | 2-3/8″ | #8 | #1/0 |
| GB250BGL | 2-1/2″ | 3-7/16″ | 1-1/16″ | 1-3/16″ | 2-13/16″ | #14 | #1/0 |
| GB250BGL-250 | 2-1/2″ | 3-7/16″ | 1-1/16″ | 1-11/16″ | 3-3/8″ | #6 | 250 MCM |
| GB300BGL | 3″ | 4″ | 1-1/16″ | 1-3/16″ | 3-1/8″ | #14 | #1/0 |
| GB300BGL-250 | 3″ | 4″ | 1-1/16″ | 1-11/16″ | 3-11/16″ | #6 | 250 MCM |
| GB350BGL | 3-1/2″ | 4-1/2″ | 1-1/16″ | 1-3/16″ | 3-3/8″ | #14 | #1/0 |
| GB350BGL-250 | 3-1/2″ | 4-1/2″ | 1-1/16″ | 1-11/16″ | 3-15/16″ | #6 | 250 MCM |
| GB400BGL | 4″ | 5-1/8″ | 1-1/16″ | 1-3/16″ | 3-15/16″ | #14 | #1/0 |
| GB400BGL-250 | 4″ | 5-1/8″ | 1-1/16″ | 1-11/16″ | 4-3/16″ | #6 | 250 MCM |
Compliances
- Certified Made in the USA
- UL 514B, 467, NEMA FB1
- Insulated Throat Bushing is UV Stabilized & 150ºC Rated
- In Normal Use, Will not Chip, Crack, Swell, or Shrink
Excellent Wear & Friction Properties
- 1/2” to 2” PA (Polyamide) UL Listed
- 2 1/2” to 4” PEI (Polyetherimide) UL Listed
- Federal Standard A-A-50553
- CSA Standard: C22.2 No. 18F
- RoHS Compliant
- REACH Compliant
- CA Prop 65 Compliant
- UNSPSC 39121312
Available Options
Aluminum Construction for Aluminum Conduit – See Catalog Page GBAL
Grounding Lug Option s
Copper Lug Add Sux CU to Cat # Consult Factory for Tin Plated Aluminum Lugs
Other Wire Lug Sizes Consult Factory Set Screws & Attachment Screw Option:
Stainless Steel Set Screws Consult Factory
Galvanized Plating Option
For this Option, Add Sux “G” to Above Cat Number
Grounding Insulated Bushings
- w/ Lay In Grounding Lug
- Product Overview (1)
Product Series: GB Grounding Bushings Threaded 1/2” to 4” Trade Sizes Furnished with Factory Installed AL Lay-In Grounding Lug* Material: Solid Alloy Steel Construction (AL Option) Zinc Plated with Chromate Finish (Galvanizing Option)
Made in the USA
(1) See Product Data Cut Sheet for Dimensions and Full Specifications Twice
the Strength, Durability, and Suitability than Cast or Malleable Iron
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>