GB Series: 1/2 ” to 4″ STEEL Grounding Bushings Insulated with
Ground Lugs with Multiple Lug Options in Wire Capacity and Material 

RCB Series:  1/2″ to 4″ Conduit Bushings Insulated without Grounding Lug
Offered in Steel or Aluminum Construction

Both Series Available With and Without Threads

Offering More GB Options Than Any Manufacturer
Save Installation Costs, Improve Your Application with AMFICO
Guaranteed Product Value to EXCEED Your Expectations. . . NOT Your Budget! 

mdixo Ground Bushings Steel Made in the USAGround Bushings Steel Made in the USA

GB Series

Twice the Strength & Durability of Die-Cast & Malleable
Steel Body with 3 Drilled & Tapped Holes Allows Ground Lug to be Repositioned for EZ Installation
Never Again Strip a Mounting Hole

American Fittings Steel Grounding Bushings Insulated


Precision Machined Construction from Bar Stock Provides
Cut Threads & a Perfect Conduit Center Line. Avoids Cross Threading
EZ Torque Compression with Flat Full Hex Surfaces
Full American Made Integrity of Materials & Products

Steel Ground Bushings with Layin Lug


GB Cat Numbers & Dimensions

Option: Stainless Steel Screws – Consult Factory

RCB Series

American Fittings Steel Grounding Bushings Insulated

American Fittings Rigid Conduit Bushings USA Steel

RCB Series Cat Numbers & Dimensions

RCB Conduit Bushings Steel USA

Option: Stainless Steel  Set Screws – Consult Factory


Trade Sizes: 1/2″ to 4″
Material Construction: Alloy Steel, Zinc Plated with Chromate Finish*
Solid Steel Construction
Fully Precision Machined from Solid Bar Stock
Optional Material Construction Aluminum Copper Free

Ground Lugs Option Available in AL, CU, and Tin Plated CU

*Galvanized Plating Option Available Add Suffix “G” to Cat#
Stainless Steel Screws Available as an Option-Consult factory


Ability to Reposition Ground Lug Without Worry of Stripping Drill Holes
3 Drilled and Tapped Holes to Reposition Lug for Easy Installation& Reposition in Without Twisting or Torquing Ground Wire

*** HDPE Insulator Liner is Factory Installed Will Not Pull Out Even with the Toughest Wire Pulls
Resilient Insulator Resists Corrosion, Chemicals & Temperature Extremes
Rated 150°C, UV Stabilized


Certified Made in the USA

UL Listed to 514B
NEMA Standard FB1
Federal Standard A-A-50553
UL Standards: 514B, 467
Insulator – Liner HPDE*** UL Listed & Rated at 150°C, UV Stabilized
Certified for MIL-STD 810 Sinusoidal Vibrations
CSA Standard: C22.2 No. 18F
RoHS Compliant
REACH Compliant
CA Prop 65 Compliant
UNSPSC 39131312

American Fittings UL Logo

*** 1/2″ to 2″ Polyamide 21/2″ to 4″ Polyetherimide  – High-Density Polyethylene (HDPE) is a thermoplastic polymer non-porous material known for its resistance to chemicals and solvents. It also meets all standards established by the FDA for food contact. Notable Benefits of HDPE High Strength to Density Ratio. Resistance To Environmental Factors.  UV Stabilized. UL Listed and Rated to 150°C  – Material is  Easily Recyled.