twisted cables

Hello everyone, I want to build a robot-arm and for this reason I ran into the problem, that I have cables which twist at a certain point. If I turn around to hard, they would tear apart. So ist there a "gadget" which can take one cableside, twist inside of it and another independet cable side...

Hi everyone, I am doing my master thesis on crosstalk. I can calculate crosstalk through simulations and practically but unable to calculate theoritcally, if anyone know the calculation of crosstalk in twisted pair quad cables. It will be helpful to me. i am giving voltages to one pair and want...