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
The simplest way to determine if a listed conduit body is suitable for use as a splice box or as an outlet or device box is to look for the internal volume marking required by NEC 314.16 in the conduit body. These same rules apply for determining the minimum size of the conduit body used as a box.