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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
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" 1-1/8"
7
18-1/4" 1-5/16"
8
20-3/4" 1-1/2"
9
23-1/2" 1-3/4"
10
26"
4455 Boeing Dr., Rockford, IL 61109-2988 815/397-7070
Site-Rite
®
Speed Guide for Offsets
(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"
12"
14"
16"
18"
1-7/8"
20"
®
/ Site-Rite II
45° x 45°
Center
Shrink
-to-
Amount
Center
3/4"
1"
1-1/14"
7"
1-1/2"
8-1/2"
1-3/4"
9-3/4"
2"
11-1/4"
2-1/4" 12-1/2" 3-3/8" 10-7/8" 4-1/2"
2-1/2"
14"
®
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
3-3/4"
12"
Shrink
Amount
3"
3-1/2"
4"
5"
7
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