Panduit JMJH2W-X20 J-MOD Wall Mount Cable Support (10-Pack)

network cable support installation guidelines explained there are many guidelines and rules for spacing and installation of non-continuous cable supports these are given in the NEC and TI a standards as well as cable manufacturers instructions local building codes must also be taken into account there are five major guidelines to follow when using a non-continuous cable support such as a j-hook spacing and sag pull tension fill ratio NEC requirements and Bend radius the maximum allowable spacing between cable supports is about 5 feet the cable tension should allow for no more than about a foot of sag between each support it is best to stagger the spacing on a long run to prevent harmonic interference or crossover the maximum pull tension should not exceed 25 pounds during installation to prevent damage to the cable it is also best to use a cable pulley when pulling cable through type en