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In the “concentric twisting” video we’re told to twist shielded pairs in the opposite direction they were laid to avoid forming a quad. Could someone explain why? Is it a noise issue or would it just create a problem with the next layer?
Thanks
Hi Troy,
This is not because of a layering problem.
It is because if you twist them in the same direction the 2 pairs will become aligned with one another, forming this "quad". Meaning you will lose the ability of those pairs to cancel out the interference.
David
That makes sense. Thank you for explaining
