Originally Posted By: K447
Often the problem is not a lack of grounding, more that there is more than one grounding point (your cable TV entry point in this case). It is not uncommon for actual earth (the dirt) to have slight voltage differentials due to electrical leakage from other grounded equipment that has electrical leakage.


Totally agreed. But if the cable line isn't grounded at all, it seems worth a try, especially if he's having the aforementioned problem of "static build up" in the cable line.
_________________________
Tony Fabris