142 Section 3 Installation Copyright Goodheart-Willcox Co., Inc. Goodheart-Willcox Publisher Figure 10-6. A back-to-back bend is two stub bends on the same length of conduit. Goodheart-Willcox Publisher Figure 10-7. How offset angles affect the shrink amount. A steeper angle can start closer to the obstruction but results in more shrink than an offset with a shallower angle. 10′ 9′-10″ 8″ 8″ 9′- 9″ 30° 45° Making a Back-to-Back Bend Step 1. Mark the distance between bends on the conduit. Step 2. Align the mark with the star on the bender. Step 3. Bend the conduit until it reaches 90°. Step 4. Verify distance between bends.