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
1 Prewired conduit, or armored cable, offers an all-in-one solution with the wires already running through it. 2  Metal electrical boxes must be used with metal conduit.  Running a green grounding wire is recommended, though code may allow the metal conduit itself to serve as grounding conductor.