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Working Toward an Obstruction
When working toward an obstruction, the conduit will appear to "shrink."
To compensate for shrinkage, use the shrink per inch of offset as
shown in the Offset Table, Column 3 or the Shrink Amount shown in the
Greenlee Speed Guide for Offsets.
Greenlee Speed Guide for Offsets
22-1/2° x 22-1/2°
Offset
Center
Depth
-to-
Inches
Center
2
5-1/4"
3
7-3/4"
4
10-1/2"
5
13"
6
15-1/2"
7
18-1/4"
8
20-3/4"
9
23-1/2"
10
26"
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
(applies to any size conduit)
Offset Angle
30° x 30°
Center
Shrink
-to-
Amount
Center
3/8"
9/16"
6"
3/4"
8"
15/16"
10"
1-1/8"
12"
1-5/16"
14"
1-1/2"
16"
1-3/4"
18"
1-7/8"
20"
SITE-RITE
45° x 45°
Center
Shrink
-to-
Amount
Center
3/4"
1"
1-1/4"
7"
1-1/2"
8-1/2"
1-3/4"
9-3/4"
2"
11-1/4"
2-1/4"
12-1/2"
2-1/2"
14"
Hand Benders
®
60° x 60°
Center
Shrink
-to-
Amount
Center
1-7/8"
2-1/4"
7-1/4"
2-5/8"
8-3/8"
3"
9-5/8"
3-3/8"
10-7/8"
3-3/4
12"
Shrink
Amount
3"
3-1/2"
4"
4-1/2"
5"
7
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