Wrapping A Cable

Why are A/V cables wrapped over/under and power cables wrapped over/over?  Why is this an important skill for a beginning filmmaker?

It reduces the tension on the cable while wrapping and as it's stored, it makes it easier to uncoil and ultimately increasing the cables longevity.  You know when you're doing it right by throwing it and it uncoils without any knots, snarls, or kinks. This is an important skill for a filmmaker because not wrapping a cable properly can reduce the lifespan/material of the cable. 


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