EMT Electrical Conduit 90-Degree Bend Deduction Chart. This chart gives you the deductions for 1/2", 3/4", and 1" bender sizes. Deduct numbers are dependent on the bender, and while these numbers are by far the most common, it is possible that your bender may be different.. EMT Conduit Bending Guide and Calculator EMT Conduit Spacers, Pipe Spacers. Pipe-Pal conduit bending guide. 1/2" Conduit Spacer, 3/4" Conduit Spacer, 1" Conduit Spacer, 1-1/2" Conduit Spacer, 2" Conduit Spacer, 2-1/2" Conduit Spacer, 3" Conduit Spacer, 3-1/2" Conduit Spacer, 4" Conduit Spacer, & Markout Inserts. Also works with Rigid Conduit, PVC Conduit, & Tek Cable Spacing. Available for.
CONDUIT Deduct Length Stub "FC" Length "ED" Travel Gain B to B DCOB OD Travel Z Travel T Chicago .5" Chicago .75" Chicago 1" EMT .5" EMT .75" EMT 1" EMT 1.25" EMT 1.5" EMT 2" EMT 2.5" EMT 3". at a stationary point at the back of the bender after bending 90 degree bend and enter value in the Travel t cell in chart Deduct = af Length = L Stub.. As an example, to bend 3/4" EMT conduit have a free end height of 8.5", the table indicates to subtract 6" from the 8.5" which leave 2.5" from the end to bend up to make the mark. Tip: Advanced benders can lay a tape measure next to the conduit and perform the bending operations if the bend does not call for high degree of accuracy. 4.