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
RIGID CONDUIT AND KNOCKOUT SIZES. Conduit is used to protect and support electrical wires. Both rigid conduit and intermediate metallic conduit are threaded and accept couplings, nuts, and bushings et cetera directly. (1) UL Table NAE.3.