Michael Merzenich, Ph.D. is a pioneer in brain plasticity research and the author of more than 150 peer-reviewed articles. He has received numerous awards and prizes, has nearly 100 patents and has been featured in hundreds of books covering topics such as learning, rehabilitation and plasticity.
There shall not be more than the equivilent of four quarter bends (360 degrees total) between pull points, for example, conduit bodies and boxes. ansi/tia/eia-569-b: 8.8.2.2 Bends
After the electrical conduit was installed, I packed sand around it and created a smooth bed for the 4 PVC pipe. To maintain the ideal level, I supported the other end on some wood blocks while I packed damp sand underneath the pipe. The ends of the conduits where they enter the garage.