GB50BGL Grounding Bushings Threaded Conduit
Product Information
- 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
- Twice the Strength, Durability and Suitability than 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
- Wire Capacity Range #14 to 250mcm
- Available in Copper or Tin Plated Copper
- Industrial SPEC-grade
- Set Screws & Attachment Screw Machined Zinc Plated Steel
Screws - Option: T304- Stainless Steel Screws
- UL Listed, AL Lay-In Grounding Lug
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.
AMERICAN FITTINGS Corporation
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 (Galavanizing Option) Made in the USA Twice the Strength, Durability and Suitability than 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) Full Hex Surfaces Allows EZ Tightening to Full Torque Values *UL Listed, AL Lay-In Grounding Lug Lug Options:
Wire Capacity Range #14 to 250mcm Available in Copper or Tin Plated Copper
® Since 1946
Industrial SPEC-grade
Factory Installed CAPTIVE Insulator Exceeds UL Requirements for Push Out Low Surface Friction – Wires Can Be Pulled Fast With Virtually No Abrasion On Cable Insulation Insulated Throat Bushing is UV Stabilized, 105ºC Rated UL V-0 Self Extingushing 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
Set Screw for Bonding to Conduit**
Set Screws & Attachment Screw Machined Zinc Plated Steel Screws Option: T304- Stainless Steel Screws 1/2″ – 2″ Furnished with 1 set screw 2 1/2″ – 4″ Furnished with 2 set screws On Threaded Bushings Set Screws Provide Redunctant Locking
** 3 Machine Cut Fully Threaded Hole 120º Apart Provides EZ Location and Positioning of Ground Lug, Eliminates Twisting G-Wire and Fast Inspections
Atachment Screw for Mounting the Lug to the Bushing – Move and Reposition to Accomodate EZ Wiring of the Lug
amftgs.com | 800.221.5268
(1) See Product Data Cut Sheet for Dimensions and Full Specifications
GB1222.R1
AMERICAN FITTINGS Corporation ®
Ground Bushings Steel Thr’d w/Lug
Since 1946
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
Industrial SPEC-grade
For Use On Threaded Rigid/imc Conduit to Provide a
Means of Grounding Threaded Conduit Through an
Insulated Bushing.
Solid Steel Construction with Factory Installed Insulator Precison Fully Machined Body with Cut Threads Flat Hex Surface for Full Torque Values 105ºC Rated, UV Stabilized Insulator Throat Bushing
EZ Wiring 3 Thr’d Machined Holes to Accommodate
Lug Orientation
Twice the Strength and Durability of Die Cast & Malleable Iron
Threaded
Low Surface Friction – Wires Can Be
Pulled Fast With Virtually No Abrasion On Cable Insulation
120°
120°
Steel Set Screws in Machined Threaded Holes
Vibration Resistant
3 x Threaded Holes At 120° Insulated Throat
B
EZ Installation & Wiring Move Lug to
D
Avoid Interference and Speed Wiring
C Wire Tightening Engagement Screw
Set Screws Steel Zinc Plated: Stainless Steel Option Available
1- Atachment Screw for Mounting the Lug
Set Screws for Bonding to Conduit
A
1/2″ – 2″ furnished with 1 set screw 2 1/2″ – 4″ furnished with 2 set screws
Cat # (1)
Trade Size
ØA
B
GB50BGL
GB75BGL GB75BGL-0 GB100BGL GB100BGL-0 GB125BGL GB125BGL-0
GB150BGL GB150BGL-0 GB200BGL GB200BGL-0 GB250BGL GB250BGL-250
GB300BGL
GB300BGL-250
GB350BGL GB350BGL-250 GB400BGL GB400BGL-250
1/2″
3/4″ 3/4″ 1″ 1″ 1-1/4″ 1-1/4″
1-1/2″ 1-1/2″
2″ 2″ 2-1/2″ 2-1/2″
3″
3″
3-1/2″ 3-1/2″
4″ 4″
1-1/16″
1-1/4″ 1-1/4″ 1-1/2″ 1-1/2″ 1-7/8″ 1-7/8″
2-1/16″ 2-1/16″ 2-11/16″ 2-11/16″ 3-7/16″ 3-7/16″
4″
4″
4-1/2″ 4-1/2″ 5-1/8″ 5-1/8″
5/8″
5/8″ 5/8″ 3/4″ 3/4″ 3/4″ 3/4″
3/4″ 3/4″ 3/4″ 3/4″ 1-1/16″ 1-1/16″
1-1/16″
1-1/16″
1-1/16″ 1-1/16″ 1-1/16″ 1-1/16″
Compliances:
Certified Made in the USA
UL 514B, 467, NEMA FB1 Insulated Throat Bushing is UV Stablized & 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
E101868
C
3/4″ 3/4″ 1-1/8″ 3/4″ 1-1/8″ 3/4″ 1-1/8″ 3/4″ 1-1/8″ 3/4″ 1-1/8″ 1-3/16″ 1-11/16″ 1-3/16″ 1-11/16″ 1-3/16″ 1-11/16″ 1-3/16″ 1-11/16″
D
1-5/16″ 1-3/8″ 1-11/16″ 1-1/2″ 1-7/8″ 1-11/16″ 2-1/16″ 1-13/16″ 2-1/8″ 2-1/6″ 2-3/8″ 2-13/16″ 3-3/8″ 3-1/8″ 3-11/16″ 3-3/8″ 3-15/16″ 3-15/16″ 4-3/16″
Lug Wire Range
Min Solid
#14
#14 #8 #14 #8 #14 #8
#14 #8 #14 #8 #14 #6
#14
#6
#14 #6 #14 #6
Max Strand
#4
#4 #1/0 #4 #1/0 #4 #1/0
#4 #1/0 #4 #1/0 #1/0 250 MCM
#1/0
250 MCM
#1/0 250 MCM
#1/0 250 MCM
(1) Available Options:
Wt. Per/C
8
8 17 11 20 17 26
21 30 28 36 77 90
89
105
110 124 121 135
Aluminum Construction for Aluminum Conduit – See Catalog Page GBAL
* Grounding Lug Options: Copper Lug Add Suffix CU to Cat # Consult Factory for Tin Plated Aluminum Lugs Other Wire Lug Sizes Consult Factory
Set Screws & Attachmemt Screw Option: Stainless Steel Set Screws Consult Factory
** Galvanized Plating Option: For this Option, Add Suffix “G” to Above Cat Number
AMFTGS.com
t: 800-221-5268
© Copyright 2022 AMERICAN FITTINGS Corporation Fair Lawn, NJ
e: [email protected] Specifications Subject to Change Without Notice
Rev1222.R1
