How To Bend Conduit Offset
If we made two 90 degree bends at 60 inches apart that should give us a 60 inch. Starting from the BACK of the bend measure the distance calculated in step 1 and mark the conduit.
Conduit Bending Guide Electrical Wiring Home Electrical Wiring Conduit Bending
This is no-doubt my most asked for topic to do an episode.
How to bend conduit offset. Some over bending may be required to allow for spring back of the conduit. Any small slip in the conduit can cause an off-centered bend and you will need to start over with a new piece of conduit. We explain the basics of a 30 degree offset.
Using the cosecant the distance between bends would be the cosecant 90 degrees x 60 or 60 inches. Pipe with a 20 inch center line bend radius. Align the mark on the conduit with the Star-Point on the bender and bend to 90.
A proper bend is made by rolling the conduit about the bender in the conduits cradle using all foot pressure. Understood when we consider a 90 degree offset 90 degree being the maximum bend The cosecant of 90 degrees is 1. Use the correct size bender for the conduit size being bent.
Httpsamznto39yPXdYAmazon Prime Student 6 month Free Tr. Multipliers for Conduit Offsets Degree of Bend Multiplier 10 degrees 60 22 degrees 26 30 degrees 20 45 degrees 14 60 degrees 12 Math From Triangles The geometry of a triangle provides formulas useful for many conduit bends Most conduit bends in addition to a simple 90-degree bend can be understood and calculated using the geometry of a right triangle. Measure and mark your conduit the same distance mark B.
Star-Point on bender must be referenced for accurate bends. You will be given the Cosecant of the the angle selected and the distance between bends to mark the conduit. Made to teach others how to bend conduitOffset Bend.
Pull the bender handle toward you to create the bend. Make sure your foot and hand remain securely on the bender. Select the angle to use for the offset.
How do we measure or determ. For the first bend follow the 90 Degree Stub Up bend direction from above. Do an episode on bending conduit they sayItll be fun they say Well my friends strap in.
Place the bender on the conduit facing the free end that is opposite the original bend you made in step 2. 2For this example a 12 pipe will be used so subtract 5 from the height of the offset. 1Determine the height of the offsetstub up for this example it is 11 Figure 1.
Select the Calculate button. Select the size of the offset desired. After the first 90 bend has been made measure to the point where the back of the second bend is to be B.
Use a firm and steady motion to avoid kinks or crimps in the conduit. The resting condition of the conduit is to be at the final angle desired. Klein Tools 86225 Double Hook Magnetic Tape Measure with conduit bending tables 25-Foot.
An introduction to bending Offsets. The distance from the end of conduit to the bottom of the 90 bend.
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