Description
Bridgeport Insulated grounding bushing is ideal for use on rigid and IMC conduits. This grounding bushing of trade size 1-Inch, has die-cast zinc body construction for longer endurance. It measures 1-Inch ID x 1-9/16-Inch OD x 1/2-Inch. This grounding bushing is perfect for use with locknut to terminate service conduit to cabinet. The aluminum alloy 6061-T6 grounding lug of this nylon-insulated grounding bushing accepts conductors of size 14 – 4-AWG. It has plastic liner that efficiently prevents damage to wire insulation. Grounding bushing is UL/cULus listed, NEMA FB-1 rated, RoHS compliant and meets A-A-50553 Federal specifications.
Special Features:Grounding Lug Wire Capacity #14 – #4

![[1000 BULK] Spacers Round 303 Stainless 5/16 Hole X 1 3/8 Long Budget](https://www.protoolworx.com/wp-content/uploads/2026/SK0000606-US20260105-083529-0-1767573332-25N12R50SPWR_30733627-7616-41f2-968a-4b48fd26549f_1024x.webp)
![[1000 BULK] Spacers Round 303 Stainless 5/16 Hole X 1 1/4 Long Worldwide Shipping](https://www.protoolworx.com/wp-content/uploads/2026/SK0000604-US20260105-083529-0-1767573332-25N12R50SPWR_134d8d29-eff8-413f-bdc2-fa2536aa2bbb_1024x.webp)
![[1000 BULK] Spacers Round 303 Stainless 5/16 Hole X 3/8 Long Must Have](https://www.protoolworx.com/wp-content/uploads/2026/SK0000615-US20260105-083529-0-1767573332-25N12R50SPWR_9ff430ef-1e42-4e9f-8aba-e0b15fea74ba_1024x.webp)
![[1000 BULK] Spacers Round 303 Stainless 5/16 OD X #10 Hole X 1-1/4 Long Hot Picks](https://www.protoolworx.com/wp-content/uploads/2026/SK0000622-US20260105-083529-0-1767573332-25N12R50SPWR_697c1051-8a54-40b4-a8da-ce0d4ad5c312_1024x.webp)