Cut Sheet

Insulated Grounding Bushings for Threaded Rigid Metal Conduit and IMC
GIB-L-AC Series – with Aluminum Lay-In-Lug™ for Copper or Aluminum Conductors.
GIB-L-BC Series – with Bronze Lay-In-Lug™ for Copper Conductors Only.
Catalog Number
Aluminum Lug
Catalog Number
Bronze Lug
Trade Size
(Inches)
Wire Size Dimensions in Inches/Millimeters
Min. Max.
A
Bushing
Diameter
B
Bushing
Height
C
Turning
Radius
w/Lug
GIB-50L-4AC GIB-50L-4BC 1/2 14 SOL 4 STR
1.41/
35.8
0.44/
11.2
1.19/
30.2
GIB-75L-4AC GIB-75L-4BC 3/4 14 SOL 4 STR
1.44/
36.6
0.50/
12.7
1.31/
33.3
GIB-100L-4AC GIB-100L-4BC 1 14 SOL 4 STR
1.75/
44.5
0.56/
14.2
1.44/
36.6
GIB-100L-20AC GIB-100L-20BC 1 14 SOL 2/0 STR
1.75/
44.5
0.56/
14.2
1.69/
42.9
GIB-125L-4AC GIB-125L-4BC 1-1/4 14 SOL 4 STR
2.13/
54.1
0.63/
16.0
1.63/
41.4
GIB-125L-20AC GIB-125L-20BC 1-1/4 14 SOL 2/0 STR
2.13/
54.1
0.63/
16.0
1.41/
35.8
GIB-150L-4AC GIB-150L-4BC 1-1/2 14 SOL 4 STR
2.31/
58.7
0.69/
17.5
1.75/
44.5
GIB-150L-20AC GIB-150L-20BC 1-1/2 14 SOL 2/0 STR
2.31/
58.7
0.69/
17.5
2.00/
50.8
GIB-200L-4AC GIB-200L-4BC 2 14 SOL 4 STR
2.81/
71.4
0.75/
19.1
2.00/
50.8
GIB-200L-20AC GIB-200L-20BC 2 14 SOL 2/0 STR
2.81/
71.4
0.75/
19.1
2.25/
57.2
GIB-250L-4AC GIB-250L-4BC 2-1/2 14 SOL 4 STR
3.38/
85.9
0.88/
22.4
2.25/
57.2
GIB-250L-20AC GIB-250L-20BC 2-1/2 14 SOL 2/0 STR
3.38/
85.9
0.88/
22.4
2.50/
63.5
GIB-250L-25AC GIB-250L-25BC 2-1/2 6 STR 250 STR
3.38/
85.9
0.88/
22.4
2.47/
62.7
GIB-300L-4AC GIB-300L-4BC 3 14 SOL 4 STR
4.06/
103.1
1.31/
33.3
2.63/
66.8
GIB-300L-20AC GIB-300L-20BC 3 14 SOL 2/0 STR
4.06/
103.1
1.31/
33.3
2.81/
71.4
GIB-300L-25AC GIB-300L-25BC 3 6 STR 250 STR
4.06/
103.1
1.31/
33.3
3.31/
84.1
Commercial Products
COMMERCIAL PRODUCTS: RIGID AND IMC FITTINGS
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© January 2011
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