NEC requirement to keep weight and strain off of bus bars and busing

[Ethan Cord]

I am trying to locate an NEC article which states that weight and/or strain from conductors shall not be placed on bus bars or bussing. Any help in locating this would be appreciated. Thank you!

 

[don_resqcapt19]

Nothing about that in the NEC that I know of. That type of information would most likely be found in the equipment instructions.