Due to a ton of questions about Shrinkage for Conduit Bending in this video I explained how it works. Not every Electrician will factor in Shrinkage for conduit bending which is fine, but there happens to be more than than I expected.
Shrinkage is used for those that want to maximize their conduit and as long as you have the correct measurement adding for shrinkage is simple. I personally use it when I am not in a rush and have time to figure it out. Below I have the list of degrees and shrinkage for each.
DEGREE OF BEND SHRINKAGE PER INCH OF RISE
10 1/16"
22.5 3/16"
30 1/4"
45 3/8"
60 1/2"
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