The Align Feeder command is used to align parallel segments of different feeders on the one-line diagram.
To align feeders, go to
Ribbon: DM Electrical->One-Line Diagram-> 
Align Feeder
Pulldown Menu: DM Electrical->One-Line Diagram->Align Feeder
You will be prompted to select a feeder segment to which the other feeder segments will be aligned.
Select feeder segment in correct location:
You will then be prompted to select one or more feeder segments to align to the first feeder segment.
Select feeder segment to align with first segment:
Selected feeder segments will be moved to align with the first segment.