My understanding is that the router power is what is inducing noise into the stepper wires not the steppers to each other.
My drag chain flips open on each link so you can lay cables in and close it up.
From what understand, the higher voltage and current running through the stepper cabling makes them more ‘noise immune’ than the sensor/signal cabling - I think that is why many CNCs are sold without shielded cabling for this application.
I am not sure what you mean by ‘disassemble at the router end’ but the drag chain would require you to snap open all the links in order to put the power cable through - tedious, but better than cutting the cord IMO.
Thx. Just wondering. I guess I’ll probably go via the hose boom. Seems to be pretty solid answer.