It depends on the CATV system and it's proximity to such things as airports. I too agree that its probably overkill in 99% of the cases even where the CATV companies spec it.

And as for those "Smart Home" guys, enough said.

-Hal


CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.