I stand corrected... further research looks like it's legal and suggested in US locales, at least in commercial buildings, to bond the telecom ground as often as practical to both structural steel and electrical panel grounds. In a large data centre, this makes sense, since with miles of cable stretched, it would reduce the distance needed to travel to find ground reference... but in a residential situation, and in the context of CATV, I'm wondering what the theory is... my brain hurts.

Bren R.